diff --git a/app/build.gradle b/app/build.gradle
index cc693e15172ce4d1af48f70e08b25c672e43ac36..ae10dae5260168c66ffca157a6061ded8379b13a 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -40,6 +40,7 @@ dependencies {
     implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.4.1'
     implementation 'androidx.navigation:navigation-fragment:2.5.3'
     implementation 'androidx.navigation:navigation-ui:2.5.3'
+    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 7816bbe41312a360126baf465e0be525050f3a3c..cd007334236e58213bde063a6c70bd4398dbb4f4 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -6,12 +6,22 @@
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
-        android:icon="@mipmap/ic_launcher"
+        android:icon="@drawable/mampfmobil_logo"
         android:label="@string/app_name"
-        android:roundIcon="@mipmap/ic_launcher_round"
+        android:roundIcon="@drawable/mampfmobil_logo"
         android:supportsRtl="true"
         android:theme="@style/Theme.MampfMobil"
         tools:targetApi="31">
+        <activity
+            android:name=".ui.SupplierActivity"
+            android:exported="false" />
+        <activity
+            android:name=".ui.DelivererActivity"
+            android:exported="false" />
+        <activity
+            android:name=".ui.CustomerActivity"
+            android:exported="false"
+            android:label="@string/title_activity_customer" />
         <activity
             android:name=".MainActivity"
             android:exported="true"
diff --git a/app/src/main/java/com/example/mampfmobil/MainActivity.java b/app/src/main/java/com/example/mampfmobil/MainActivity.java
index 6c02b9463cc18bfd45bdc610844fd5480971ac4b..9717569680bb927cacd185e7e863b651641b4110 100644
--- a/app/src/main/java/com/example/mampfmobil/MainActivity.java
+++ b/app/src/main/java/com/example/mampfmobil/MainActivity.java
@@ -1,16 +1,14 @@
 package com.example.mampfmobil;
 
+import android.content.Intent;
 import android.os.Bundle;
-
-import com.google.android.material.bottomnavigation.BottomNavigationView;
+import android.util.Log;
+import android.view.View;
 
 import androidx.appcompat.app.AppCompatActivity;
-import androidx.navigation.NavController;
-import androidx.navigation.Navigation;
-import androidx.navigation.ui.AppBarConfiguration;
-import androidx.navigation.ui.NavigationUI;
 
 import com.example.mampfmobil.databinding.ActivityMainBinding;
+import com.example.mampfmobil.ui.MampfMobil;
 
 public class MainActivity extends AppCompatActivity {
 
@@ -20,18 +18,48 @@ public class MainActivity extends AppCompatActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+
+
         binding = ActivityMainBinding.inflate(getLayoutInflater());
         setContentView(binding.getRoot());
+        MampfMobil meinMampf = new MampfMobil(binding.getRoot().getContext());
+
+        // Hier wird die Bottom Navigation View ausgeblendet
+        binding.navView.setVisibility(View.GONE);
+
+        // Fragment "fragment_decide" wird angezeigt
+        //Fragment fragment = new DecideFragment();
+        //FragmentManager fragmentManager = getSupportFragmentManager();
+        //fragmentManager.beginTransaction().replace(R.id.nav_host_fragment_activity_main, fragment).commit();
 
-        BottomNavigationView navView = findViewById(R.id.nav_view);
-        // Passing each menu ID as a set of Ids because each
-        // menu should be considered as top level destinations.
-        AppBarConfiguration appBarConfiguration = new AppBarConfiguration.Builder(
-                R.id.navigation_home, R.id.navigation_dashboard, R.id.navigation_notifications)
-                .build();
-        NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment_activity_main);
-        NavigationUI.setupActionBarWithNavController(this, navController, appBarConfiguration);
-        NavigationUI.setupWithNavController(binding.navView, navController);
     }
 
+    @Override
+    public boolean onSupportNavigateUp() {
+        Intent intent = new Intent(this, MainActivity.class);
+        startActivity(intent);
+        return true; // true zurückgeben, um anzugeben, dass die Aktion behandelt wurde
+    }
+
+    @Override
+    protected void onPause() {
+        Log.d("myTag", "This ONPAUSE");
+        super.onPause();
+    }
+
+    @Override
+    protected void onStop() {
+        Log.d("myTag", "SAVED PERSISTANT");
+        MampfMobil.savePersistant();
+        super.onStop();
+    }
+
+    @Override
+    protected void onDestroy() {
+        Log.d("myTag", "This ONDESTROY");
+        super.onDestroy();
+    }
+
+
+
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/CSVFileHelper.java b/app/src/main/java/com/example/mampfmobil/ui/CSVFileHelper.java
new file mode 100644
index 0000000000000000000000000000000000000000..7f621485f0d136e35e6f00681fc51c5ab72f5c18
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/CSVFileHelper.java
@@ -0,0 +1,53 @@
+package com.example.mampfmobil.ui;
+
+import android.content.Context;
+
+import java.io.BufferedReader;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+public class CSVFileHelper {
+    public static void saveCSVFile(Context context, String fileName, String csvData) {
+        FileOutputStream fos = null;
+        try {
+            fos = context.openFileOutput(fileName, Context.MODE_PRIVATE);
+            fos.write(csvData.getBytes());
+        } catch (IOException e) {
+            e.printStackTrace();
+        } finally {
+            if (fos != null) {
+                try {
+                    fos.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+    public static String loadCSVFile(Context context, String fileName) {
+        FileInputStream fis = null;
+        try {
+            fis = context.openFileInput(fileName);
+            BufferedReader reader = new BufferedReader(new InputStreamReader(fis));
+            StringBuilder sb = new StringBuilder();
+            String line;
+            while ((line = reader.readLine()) != null) {
+                sb.append(line).append("\n");
+            }
+            return sb.toString();
+        } catch (IOException e) {
+            e.printStackTrace();
+        } finally {
+            if (fis != null) {
+                try {
+                    fis.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+        return null;
+    }
+}
diff --git a/app/src/main/java/com/example/mampfmobil/ui/Classes/Bestellung.java b/app/src/main/java/com/example/mampfmobil/ui/Classes/Bestellung.java
new file mode 100644
index 0000000000000000000000000000000000000000..9549ef10ceabaa756fff6dc757921c79c3469772
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/Classes/Bestellung.java
@@ -0,0 +1,86 @@
+package com.example.mampfmobil.ui.Classes;
+
+import android.content.Context;
+import android.util.Log;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.MampfMobil;
+
+import java.util.Vector;
+
+public class Bestellung {
+
+    static int idCounter = 1;
+
+    public boolean delivery = true;
+    public Deliverer deliverer = null;
+
+    public String state;
+    public Supplier supplier;
+    public Customer costumer;
+    public Vector<BestellungsTeil> bestellungsTeile;
+
+    public int id;
+
+    public Bestellung(Supplier supplier, Boolean delivery, Context context){
+        bestellungsTeile =  new Vector<>();
+        this.supplier = supplier;
+        state = context.getString(R.string.ordered) ;
+        this.delivery = delivery;
+        this.costumer = MampfMobil.currentCustomer;
+        id = idCounter;
+        idCounter++;
+    }
+
+    public Bestellung(Supplier supplier, Boolean delivery,String state){
+        bestellungsTeile =  new Vector<>();
+        this.supplier = supplier;
+        this.state = state ;
+        this.delivery = delivery;
+        this.costumer = MampfMobil.currentCustomer;
+        id = idCounter;
+        idCounter++;
+    }
+
+    //for dummy data
+    public Bestellung(Supplier supplier, Boolean delivery,String state,Customer costumer){
+        bestellungsTeile =  new Vector<>();
+        this.supplier = supplier;
+        this.state = state ;
+        this.delivery = delivery;
+        this.costumer = costumer;
+        id = idCounter;
+        idCounter++;
+    }
+
+    public Bestellung(int id,Supplier supplier, Boolean delivery,String state,Customer costumer, int delivererID){
+        bestellungsTeile =  new Vector<>();
+        this.supplier = supplier;
+        this.state = state ;
+        this.delivery = delivery;
+        this.costumer = costumer;
+        this.id = id;
+        if(delivererID != 0){
+            for(Deliverer d: MampfMobil.deliverers){
+                if(d.id == delivererID) {
+                    this.deliverer = d;
+                }
+            }
+        }
+    }
+    public void addBestellungsteil(BestellungsTeil bt){
+
+        Boolean notFound = true;
+        for(BestellungsTeil btOld: bestellungsTeile){
+            if(btOld.item == bt.item){
+                notFound = false;
+                btOld.quantity = btOld.quantity + bt.quantity;
+            }
+        }
+        if(notFound){
+            bestellungsTeile.add(bt);
+        }
+
+    }
+
+}
diff --git a/app/src/main/java/com/example/mampfmobil/ui/Classes/BestellungsTeil.java b/app/src/main/java/com/example/mampfmobil/ui/Classes/BestellungsTeil.java
new file mode 100644
index 0000000000000000000000000000000000000000..0964c9ab2bab71009fd12ae0f8d36d67e9c6cd23
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/Classes/BestellungsTeil.java
@@ -0,0 +1,11 @@
+package com.example.mampfmobil.ui.Classes;
+
+public class BestellungsTeil {
+    public Item item;
+    public int quantity;
+
+    public BestellungsTeil(Item item, int quantity){
+        this.item = item;
+        this.quantity = quantity;
+    }
+}
diff --git a/app/src/main/java/com/example/mampfmobil/ui/Classes/Customer.java b/app/src/main/java/com/example/mampfmobil/ui/Classes/Customer.java
new file mode 100644
index 0000000000000000000000000000000000000000..46ae62b3463bf8020d8121c9d8a27ad5bdaec653
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/Classes/Customer.java
@@ -0,0 +1,78 @@
+package com.example.mampfmobil.ui.Classes;
+
+import android.util.Log;
+
+import java.util.ArrayList;
+import java.util.Vector;
+
+public class Customer {
+        public String vorname;
+        public String nachname;
+        public String adresse;
+
+        public Vector<Bestellung> bestellungen;
+
+        public Vector<ShopItem> favoriten;
+        public Vector<BestellungsTeil> shoppingCart;
+
+        public static int idCounter = 1;
+        public int id;
+
+        public void addBestellung(Bestellung bestellung){
+            if (bestellungen == null) {
+                bestellungen = new Vector<>();
+            }
+            bestellungen.add(bestellung);
+        }
+
+        public Customer(String vorname,String nachname,String adresse) {
+            this.vorname = vorname;
+            this.nachname = nachname;
+            this.adresse = adresse;
+            favoriten = new Vector<>();
+            shoppingCart = new Vector<>();
+            bestellungen = new Vector<>();
+            id = idCounter;
+            idCounter++;
+        }
+
+    public Customer(int id,String vorname,String nachname,String adresse) {
+        this.vorname = vorname;
+        this.nachname = nachname;
+        this.adresse = adresse;
+        favoriten = new Vector<>();
+        shoppingCart = new Vector<>();
+        bestellungen = new Vector<>();
+        this.id = id;
+    }
+
+        public void addToShoppingCart(BestellungsTeil bt){
+            if (shoppingCart == null) {
+                shoppingCart = new Vector<>();
+            }
+            Boolean notFound = true;
+            for(BestellungsTeil btOld: shoppingCart){
+                if(btOld.item == bt.item){
+                    notFound = false;
+                    btOld.quantity = btOld.quantity + bt.quantity;
+                }
+            }
+            if(notFound){
+                shoppingCart.add(bt);
+            }
+        }
+        public void addToFavourits(ShopItem sI){
+            favoriten.add(sI);
+        }
+        public void removeFromFavourits(ShopItem sI){
+
+            ArrayList<ShopItem> itemsToRemove = new ArrayList<>();
+
+            for(ShopItem si: favoriten){
+                if(si == sI){
+                    itemsToRemove.add(si);
+                }
+            }
+            favoriten.removeAll(itemsToRemove);
+        }
+}
diff --git a/app/src/main/java/com/example/mampfmobil/ui/Classes/Deliverer.java b/app/src/main/java/com/example/mampfmobil/ui/Classes/Deliverer.java
new file mode 100644
index 0000000000000000000000000000000000000000..74dd0bf73057fe8a9d7cd2a8e8fe3f7f027735f7
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/Classes/Deliverer.java
@@ -0,0 +1,25 @@
+package com.example.mampfmobil.ui.Classes;
+
+public class Deliverer {
+    public String vorname;
+    public String nachname;
+    public String adresse;
+
+    public static int idCounter = 1;
+    public int id;
+
+
+    public Deliverer(String vorname,String nachname,String adresse) {
+        this.vorname = vorname;
+        this.nachname = nachname;
+        this.adresse = adresse;
+        id = idCounter;
+        idCounter++;
+    }
+    public Deliverer(int id,String vorname,String nachname,String adresse) {
+        this.vorname = vorname;
+        this.nachname = nachname;
+        this.adresse = adresse;
+        this.id = id;
+    }
+}
diff --git a/app/src/main/java/com/example/mampfmobil/ui/Classes/Item.java b/app/src/main/java/com/example/mampfmobil/ui/Classes/Item.java
new file mode 100644
index 0000000000000000000000000000000000000000..e69f328afbc1d1fb79e8278646d16a1cc662ba4a
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/Classes/Item.java
@@ -0,0 +1,27 @@
+package com.example.mampfmobil.ui.Classes;
+
+import android.util.Log;
+
+public class Item {
+    public static int idCounter = 1;
+    public int id;
+    public String name;
+    public double price;
+    public Supplier supplier;
+
+
+    public Item(String name, double price,Supplier supplier){
+        this.name = name;
+        this.price = price;
+        this.supplier = supplier;
+        id = idCounter;
+        idCounter++;
+    }
+    public Item(int id,String name, double price,Supplier supplier){
+
+        this.name = name;
+        this.price = price;
+        this.supplier = supplier;
+        this.id = id;
+    }
+}
diff --git a/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_Orders.java b/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_Orders.java
new file mode 100644
index 0000000000000000000000000000000000000000..12eb46c0b8c626d6eb6dc322b7d25ba3be3fc36b
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_Orders.java
@@ -0,0 +1,83 @@
+package com.example.mampfmobil.ui.Classes;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.MampfMobil;
+
+import java.util.Vector;
+
+public class Recyclerviewadapter_Orders extends RecyclerView.Adapter<Recyclerviewadapter_Orders.MyViewHolder>{
+
+
+    Context context;
+    Vector<Bestellung> bestellungen = new Vector<>();
+
+    public Recyclerviewadapter_Orders(Context context){
+        this.context =context;
+        this.bestellungen = MampfMobil.currentCustomer.bestellungen;
+    }
+    @NonNull
+    @Override
+    public Recyclerviewadapter_Orders.MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        LayoutInflater inflator = LayoutInflater.from(context);
+        View view = inflator.inflate(R.layout.recyclerview_ordersrow,parent,false);
+
+        return new Recyclerviewadapter_Orders.MyViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull Recyclerviewadapter_Orders.MyViewHolder holder, int position) {
+        holder.tvSupplier.setText(bestellungen.get(position).supplier.name);
+        holder.tvID.setText(String.valueOf("# " + bestellungen.get(position).id));
+        holder.tvState.setText(bestellungen.get(position).state);
+        double temp = 0;
+        for(BestellungsTeil bt:bestellungen.get(position).bestellungsTeile){
+            temp = temp + bt.item.price * bt.quantity;
+        }
+        holder.tvTotalCost.setText(String.format("%.2f", temp) + " €");
+
+        if(bestellungen.get(position).delivery){
+            holder.tvDelivery.setText(context.getString(R.string.delivery));
+        }
+        else{
+            holder.tvDelivery.setText(context.getString(R.string.pickup));
+        }
+
+        // Initialisiere und konfiguriere den Recyclerviewadapter_Orders_Parts
+        Recyclerviewadapter_Orders_Parts ordersPartsAdapter = new Recyclerviewadapter_Orders_Parts(context, bestellungen.get(position).bestellungsTeile);
+        LinearLayoutManager layoutManager = new LinearLayoutManager(context);
+        holder.recyclerViewOrders.setLayoutManager(layoutManager);
+        holder.recyclerViewOrders.setAdapter(ordersPartsAdapter);
+
+    }
+
+    @Override
+    public int getItemCount() {
+        return bestellungen.size();
+    }
+
+    public static class MyViewHolder extends RecyclerView.ViewHolder {
+
+        TextView tvID, tvSupplier,tvDelivery,tvState,tvTotalCost;
+        RecyclerView recyclerViewOrders;
+        public MyViewHolder(@NonNull View itemView) {
+            super(itemView);
+
+            tvID = itemView.findViewById(R.id.textViewID);
+            tvSupplier = itemView.findViewById(R.id.textViewSupplierName);
+            tvState = itemView.findViewById(R.id.textViewState);
+            tvDelivery = itemView.findViewById(R.id.textViewDelivery);
+            recyclerViewOrders =itemView.findViewById(R.id.recyclerViewOrders);
+            tvTotalCost =itemView.findViewById(R.id.textViewTotalCost);
+        }
+    }
+}
diff --git a/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_Orders_Parts.java b/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_Orders_Parts.java
new file mode 100644
index 0000000000000000000000000000000000000000..c09691b577b513c767677848913a558d4746db4f
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_Orders_Parts.java
@@ -0,0 +1,63 @@
+package com.example.mampfmobil.ui.Classes;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.EditText;
+import android.widget.ImageButton;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.example.mampfmobil.R;
+
+import java.util.Vector;
+
+public class Recyclerviewadapter_Orders_Parts extends RecyclerView.Adapter<Recyclerviewadapter_Orders_Parts.MyViewHolder> {
+
+    Context context;
+    public Vector<BestellungsTeil> bestellungsTeile;
+
+    public Recyclerviewadapter_Orders_Parts(Context context, Vector<BestellungsTeil> bestellungsTeile){
+        this.context = context;
+        this.bestellungsTeile = bestellungsTeile;
+    }
+
+    @NonNull
+    @Override
+    public Recyclerviewadapter_Orders_Parts.MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        LayoutInflater inflater = LayoutInflater.from(context);
+        View view = inflater.inflate(R.layout.recyclerview_orders_partrows,parent,false);
+        return new Recyclerviewadapter_Orders_Parts.MyViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull Recyclerviewadapter_Orders_Parts.MyViewHolder holder, int position) {
+        holder.tvName.setText(bestellungsTeile.get(position).item.name);
+        holder.tvAmountNr.setText(String.valueOf(bestellungsTeile.get(position).quantity));
+        holder.tvPrice.setText(String.format("%.2f", (bestellungsTeile.get(position).item.price)) + " €");
+        holder.tvSum.setText(String.valueOf(bestellungsTeile.get(position).item.price*bestellungsTeile.get(position).quantity));
+    }
+
+    @Override
+    public int getItemCount() {
+        return bestellungsTeile.size();
+    }
+
+    public static class MyViewHolder extends RecyclerView.ViewHolder {
+
+        TextView tvName, tvAmountNr, tvPrice, tvSum;
+
+        public MyViewHolder(@NonNull View itemView) {
+            super(itemView);
+            tvName = itemView.findViewById(R.id.textViewName);
+            tvAmountNr = itemView.findViewById(R.id.textView);
+            tvPrice = itemView.findViewById(R.id.textViewPrice);
+            tvSum = itemView.findViewById(R.id.textViewSum);
+        }
+    }
+
+
+}
diff --git a/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_Shop.java b/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_Shop.java
new file mode 100644
index 0000000000000000000000000000000000000000..6c23b77be2b6f135ced720ba3acf026349300943
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_Shop.java
@@ -0,0 +1,161 @@
+package com.example.mampfmobil.ui.Classes;
+
+import android.content.Context;
+import android.graphics.Paint;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
+import android.widget.EditText;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.core.content.ContextCompat;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.CustomerActivity;
+import com.example.mampfmobil.ui.MampfMobil;
+
+import java.util.ArrayList;
+import java.util.Vector;
+
+public class Recyclerviewadapter_Shop extends RecyclerView.Adapter<Recyclerviewadapter_Shop.MyViewHolder> {
+    static Context context;
+    ArrayList<ShopItem> shopItemList;
+
+    public static Toast toast;
+
+    public Recyclerviewadapter_Shop(Context context, ArrayList<ShopItem> shopItemList){
+        this.context = context;
+        this.shopItemList = shopItemList;
+
+    }
+
+    @NonNull
+    @Override
+    public Recyclerviewadapter_Shop.MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+
+        LayoutInflater inflater = LayoutInflater.from(context);
+        View view = inflater.inflate(R.layout.recyclerview_shoprow,parent,false);
+        return new Recyclerviewadapter_Shop.MyViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull Recyclerviewadapter_Shop.MyViewHolder holder, int position) {
+        holder.tvName.setText(shopItemList.get(position).item.name);
+        holder.tvSupName.setText(shopItemList.get(position).item.supplier.name);
+        holder.tvAmountNr.setText(String.valueOf(shopItemList.get(position).quantity));
+        holder.tvPrice.setText(String.format("%.2f", shopItemList.get(position).item.price) + " €");
+        holder.sI = shopItemList.get(position);
+        Vector<ShopItem> favs = new Vector<>();
+        favs = MampfMobil.currentCustomer.favoriten;
+
+        holder.favBox.setOnCheckedChangeListener(null);
+
+        boolean found = false;
+        for(ShopItem sI:favs ){
+            if(sI.item == shopItemList.get(position).item){
+                            found = true;
+            }
+        }
+        if(found){
+            holder.favBox.setChecked(true);
+        }
+        else{
+            holder.favBox.setChecked(false);
+        }
+
+
+        holder.favBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+
+            @Override
+            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+
+                if (isChecked) {
+
+                    MampfMobil.currentCustomer.addToFavourits(holder.sI);
+                } else {
+
+                    MampfMobil.currentCustomer.removeFromFavourits(holder.sI);
+                }
+            }
+        });
+
+
+        holder.tvSupName.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                CustomerActivity.setupShop(holder.sI.item.supplier);
+                notifyDataSetChanged();
+            }
+        });
+
+
+        }
+
+
+
+    @Override
+    public int getItemCount() {
+        return shopItemList.size();
+    }
+
+    public static class MyViewHolder extends RecyclerView.ViewHolder {
+
+        Button buyButton;
+        CheckBox favBox;
+        EditText inputAmount;
+        TextView tvName, tvSupName, tvAmountNr,tvPrice;
+
+        ShopItem sI;
+
+
+        public MyViewHolder(@NonNull View itemView) {
+            super(itemView);
+
+            tvName = itemView.findViewById(R.id.textViewName);
+            tvSupName = itemView.findViewById(R.id.textViewSupplierName);
+            tvSupName.setPaintFlags(tvSupName.getPaintFlags() | Paint.UNDERLINE_TEXT_FLAG);
+            tvSupName.setTextColor(ContextCompat.getColor(context, android.R.color.holo_blue_dark));
+
+            tvAmountNr = itemView.findViewById(R.id.textViewAmountNumber);
+            inputAmount = itemView.findViewById(R.id.editText);
+            buyButton = itemView.findViewById(R.id.buttonBuy);
+            favBox = itemView.findViewById(R.id.checkBox1);
+            tvPrice = itemView.findViewById(R.id.textViewPrice);
+            buyButton.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+
+                    if (toast != null) {
+                        toast.cancel(); // Vorhandene Toast-Nachricht abbrechen
+                    }
+                    toast = Toast.makeText(v.getContext(), R.string.added_to_shopping_cart, Toast.LENGTH_SHORT);
+                    toast.show();
+                    MampfMobil.currentCustomer.addToShoppingCart(new BestellungsTeil(sI.item,Integer.parseInt(inputAmount.getText().toString())));
+                }
+            });
+
+            /*favBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+                @Override
+                public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+
+                    if(isChecked) {
+
+                        MampfMobil.currentCustomer.addToFavourits(sI);
+                    }
+                    else{
+
+                        MampfMobil.currentCustomer.removeFromFavourits(sI);
+                    }
+                }
+            });*/
+
+        }
+    }
+}
diff --git a/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_ShoppingCart.java b/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_ShoppingCart.java
new file mode 100644
index 0000000000000000000000000000000000000000..0fd135f482517650fdaa788d8ac73a97abc040d8
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_ShoppingCart.java
@@ -0,0 +1,115 @@
+package com.example.mampfmobil.ui.Classes;
+
+import android.content.Context;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.CheckBox;
+import android.widget.EditText;
+import android.widget.ImageButton;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.MampfMobil;
+import com.example.mampfmobil.ui.customer.CustomerShoppingCartFragment;
+
+import java.util.Vector;
+
+public class Recyclerviewadapter_ShoppingCart extends RecyclerView.Adapter<Recyclerviewadapter_ShoppingCart.MyViewHolder> {
+    Context context;
+    Vector<BestellungsTeil> shoppingCart;
+
+    public Recyclerviewadapter_ShoppingCart(Context context){
+        this.context = context;
+        shoppingCart = MampfMobil.currentCustomer.shoppingCart;
+    }
+
+    @NonNull
+    @Override
+    public Recyclerviewadapter_ShoppingCart.MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        LayoutInflater inflater = LayoutInflater.from(context);
+        View view = inflater.inflate(R.layout.recyclerview_shoppingcartrow, parent, false);
+        return new Recyclerviewadapter_ShoppingCart.MyViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull Recyclerviewadapter_ShoppingCart.MyViewHolder holder, int position) {
+        holder.tvName.setText(shoppingCart.get(position).item.name);
+        holder.tvSupName.setText(shoppingCart.get(position).item.supplier.name);
+        holder.tvAmountNr.setText(String.valueOf(MampfMobil.getItemQuantity(shoppingCart.get(position).item)));
+        holder.inputAmount.setText(String.valueOf(shoppingCart.get(position).quantity));
+        holder.tvPrice.setText(String.format("%.2f", (shoppingCart.get(position).item.price)) + " €");
+        holder.tvSum.setText(String.format("%.2f", (shoppingCart.get(position).item.price * shoppingCart.get(position).quantity)) + " €");
+
+        holder.inputAmount.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+            }
+
+            @Override
+            public void afterTextChanged(Editable s) {
+
+                if(!holder.inputAmount.getText().toString().equals("")){
+
+                    shoppingCart.get(position).quantity = Integer.parseInt(holder.inputAmount.getText().toString());
+                    holder.tvSum.setText(String.format("%.2f", (shoppingCart.get(position).item.price * shoppingCart.get(position).quantity)) + " €");
+                    CustomerShoppingCartFragment.setSum();
+                }
+                //shoppingCart.get(position).quantity = Integer.parseInt(holder.inputAmount.getText().toString());
+            }
+        });
+
+        holder.deleteButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                int adapterPosition = holder.getAdapterPosition();
+                if (adapterPosition != RecyclerView.NO_POSITION) {
+                    removeItem(adapterPosition);
+                }
+            }
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return shoppingCart.size();
+    }
+
+    public void removeItem(int position) {
+        shoppingCart.remove(position);
+        CustomerShoppingCartFragment.setSum();
+        notifyItemRemoved(position);
+
+        notifyDataSetChanged();
+    }
+
+    public static class MyViewHolder extends RecyclerView.ViewHolder {
+        ImageButton deleteButton;
+        EditText inputAmount;
+        TextView tvName, tvSupName, tvAmountNr, tvPrice, tvSum;
+        BestellungsTeil bt;
+
+        public MyViewHolder(@NonNull View itemView) {
+            super(itemView);
+            tvName = itemView.findViewById(R.id.textViewName);
+            tvSupName = itemView.findViewById(R.id.textViewSupplierName);
+            tvAmountNr = itemView.findViewById(R.id.textViewAmountNumber);
+            inputAmount = itemView.findViewById(R.id.editText);
+            tvPrice = itemView.findViewById(R.id.textViewPrice);
+            tvSum = itemView.findViewById(R.id.textViewSum);
+            deleteButton = itemView.findViewById(R.id.deleteButton);
+        }
+    }
+}
diff --git a/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_Supplier_Orders.java b/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_Supplier_Orders.java
new file mode 100644
index 0000000000000000000000000000000000000000..34f0acf9dd52d92ef029b607ee87525dbf2959ae
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_Supplier_Orders.java
@@ -0,0 +1,142 @@
+package com.example.mampfmobil.ui.Classes;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.MampfMobil;
+
+import java.util.Vector;
+
+public class Recyclerviewadapter_Supplier_Orders extends RecyclerView.Adapter<Recyclerviewadapter_Supplier_Orders.MyViewHolder>{
+
+
+    Context context;
+    Vector<Bestellung> bestellungen = new Vector<>();
+
+    public Recyclerviewadapter_Supplier_Orders(Context context){
+        this.context =context;
+        for(Customer c:MampfMobil.customers){
+            for(Bestellung b:c.bestellungen){
+                if(b.supplier==MampfMobil.currentSupplier&&b.state.equals(context.getString(R.string.ordered))){
+                    bestellungen.add(b);
+                }
+            }
+        }
+        for(Customer c:MampfMobil.customers){
+            for(Bestellung b:c.bestellungen){
+                if(b.supplier==MampfMobil.currentSupplier&&b.state.equals(context.getString(R.string.ready))){
+                    bestellungen.add(b);
+                }
+            }
+        }
+        for(Customer c:MampfMobil.customers){
+            for(Bestellung b:c.bestellungen){
+                if(b.supplier==MampfMobil.currentSupplier&&b.state.equals(context.getString(R.string.picked))){
+                    bestellungen.add(b);
+                }
+            }
+        }
+        for(Customer c:MampfMobil.customers){
+            for(Bestellung b:c.bestellungen){
+                if(b.supplier==MampfMobil.currentSupplier){
+                    if(!bestellungen.contains(b)){bestellungen.add(b);}
+                }
+            }
+        }
+    }
+    @NonNull
+    @Override
+    public Recyclerviewadapter_Supplier_Orders.MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        LayoutInflater inflator = LayoutInflater.from(context);
+        View view = inflator.inflate(R.layout.recyclerview_supplierordersrow,parent,false);
+
+        return new Recyclerviewadapter_Supplier_Orders.MyViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull Recyclerviewadapter_Supplier_Orders.MyViewHolder holder, int position) {
+        holder.tvID.setText(String.valueOf("# " + bestellungen.get(position).id));
+        holder.tvState.setText(bestellungen.get(position).state);
+        if(bestellungen.get(position).state.equals(context.getString(R.string.ordered))){
+            holder.readyButton.setText(context.getString(R.string.ready));
+        }
+        else if(bestellungen.get(position).state.equals(context.getString(R.string.readyForPickup))){
+            holder.readyButton.setText(context.getString(R.string.picked));
+        }
+        else{
+            holder.readyButton.setVisibility(View.INVISIBLE);
+        }
+
+        double temp = 0;
+        for(BestellungsTeil bt:bestellungen.get(position).bestellungsTeile){
+            temp = temp + bt.item.price * bt.quantity;
+        }
+        holder.tvTotalCost.setText(String.format("%.2f", temp) + " €");
+
+        if(bestellungen.get(position).delivery){
+            holder.tvDelivery.setText(context.getString(R.string.delivery));
+        }
+        else{
+            holder.tvDelivery.setText(context.getString(R.string.pickup));
+        }
+
+        // Initialisiere und konfiguriere den Recyclerviewadapter_Orders_Parts
+        Recyclerviewadapter_Orders_Parts ordersPartsAdapter = new Recyclerviewadapter_Orders_Parts(context, bestellungen.get(position).bestellungsTeile);
+        LinearLayoutManager layoutManager = new LinearLayoutManager(context);
+        holder.recyclerViewOrders.setLayoutManager(layoutManager);
+        holder.recyclerViewOrders.setAdapter(ordersPartsAdapter);
+
+
+        holder.readyButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (bestellungen.get(position).state.equals(context.getString(R.string.readyForPickup))) {
+                    bestellungen.get(position).state = context.getString(R.string.picked);
+                    notifyItemRangeChanged(position, getItemCount());
+                }
+                if (bestellungen.get(position).state.equals(context.getString(R.string.ordered))) {
+                    if(bestellungen.get(position).delivery){
+                        bestellungen.get(position).state = context.getString(R.string.readyForTransport);
+                    }
+                    else{
+                        bestellungen.get(position).state = context.getString(R.string.readyForPickup);
+                    }
+
+                    notifyItemRangeChanged(position, getItemCount());
+                }
+            }
+        });
+
+    }
+
+    @Override
+    public int getItemCount() {
+        return bestellungen.size();
+    }
+
+    public static class MyViewHolder extends RecyclerView.ViewHolder {
+
+        TextView tvID, tvDelivery,tvState,tvTotalCost;
+        RecyclerView recyclerViewOrders;
+        Button readyButton;
+        public MyViewHolder(@NonNull View itemView) {
+            super(itemView);
+
+            tvID = itemView.findViewById(R.id.textViewID);;
+            tvState = itemView.findViewById(R.id.textViewState);
+            tvDelivery = itemView.findViewById(R.id.textViewDelivery);
+            recyclerViewOrders =itemView.findViewById(R.id.recyclerViewOrders);
+            tvTotalCost =itemView.findViewById(R.id.textViewTotalCost);
+            readyButton = itemView.findViewById(R.id.buttonReady);
+        }
+    }
+}
diff --git a/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_deliverer_activeOrders.java b/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_deliverer_activeOrders.java
new file mode 100644
index 0000000000000000000000000000000000000000..a04daa2224bdde6af23bb91d0a6df5b964bb1c0e
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_deliverer_activeOrders.java
@@ -0,0 +1,116 @@
+package com.example.mampfmobil.ui.Classes;
+
+import android.content.Context;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.MampfMobil;
+import com.example.mampfmobil.ui.deliverer.DelivererActiveOrdersFragment;
+import com.example.mampfmobil.ui.deliverer.DelivererOpenOrdersFragment;
+
+import java.util.Vector;
+
+public class Recyclerviewadapter_deliverer_activeOrders extends RecyclerView.Adapter<Recyclerviewadapter_deliverer_activeOrders.MyViewHolder>{
+
+
+    Context context;
+    Vector<Bestellung> bestellungen = new Vector<>();
+
+    public Recyclerviewadapter_deliverer_activeOrders(Context context, Vector<Bestellung> bestellungen ){
+        this.context =context;
+        this.bestellungen = bestellungen;
+    }
+    @NonNull
+    @Override
+    public Recyclerviewadapter_deliverer_activeOrders.MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        LayoutInflater inflator = LayoutInflater.from(context);
+        View view = inflator.inflate(R.layout.recyclerview_deliverer_orderrow,parent,false);
+
+        return new Recyclerviewadapter_deliverer_activeOrders.MyViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull Recyclerviewadapter_deliverer_activeOrders.MyViewHolder holder, int position) {
+        holder.tvID.setText(String.valueOf("# " + bestellungen.get(position).id));
+        holder.tvState.setText(bestellungen.get(position).state);
+
+        if(bestellungen.get(position).state.equals(context.getString(R.string.inTransportation))){
+            holder.readyButton.setText(context.getString(R.string.delivered));
+        }
+        else if(bestellungen.get(position).state.equals(context.getString(R.string.readyForTransportDelivererFound))){
+            holder.readyButton.setText(context.getString(R.string.inTransportation));
+        }
+        else if(bestellungen.get(position).state.equals(context.getString(R.string.readyForTransport))){
+            holder.readyButton.setText(context.getString(R.string.reserve));
+        }
+        else{
+            holder.readyButton.setVisibility(View.INVISIBLE);
+        }
+
+
+
+        holder.readyButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+
+                if (bestellungen.get(position).state.equals(context.getString(R.string.inTransportation))) {
+
+
+                    bestellungen.get(position).state = context.getString(R.string.delivered);
+                    int adapterPosition = holder.getAdapterPosition();
+                    if (adapterPosition != RecyclerView.NO_POSITION) {
+                        removeItem(adapterPosition);
+                    }
+                    DelivererActiveOrdersFragment.setVec(context);
+                    notifyItemRangeChanged(position, getItemCount());
+                    return;
+                }
+                if (bestellungen.get(position).state.equals(context.getString(R.string.readyForTransportDelivererFound))) {
+                    bestellungen.get(position).state = context.getString(R.string.inTransportation);
+                    DelivererActiveOrdersFragment.setVec(context);
+                    notifyItemRangeChanged(position, getItemCount());
+                    return;
+                }
+            }
+        });
+
+    }
+
+    public void removeItem(int position) {
+        bestellungen.remove(position);
+        notifyItemRemoved(position);
+        notifyItemRangeChanged(position, getItemCount());
+    }
+
+    @Override
+    public int getItemCount() {
+        return bestellungen.size();
+    }
+
+    public static class MyViewHolder extends RecyclerView.ViewHolder {
+
+        TextView tvID, tvDelivery,tvState,tvTotalCost,cusAddress,supAddress;
+        RecyclerView recyclerViewOrders;
+        Button readyButton;
+        public MyViewHolder(@NonNull View itemView) {
+            super(itemView);
+
+            cusAddress = itemView.findViewById(R.id.textView17);
+            supAddress = itemView.findViewById(R.id.textView14);
+            tvID = itemView.findViewById(R.id.textViewID);;
+            tvState = itemView.findViewById(R.id.textViewState);
+            tvDelivery = itemView.findViewById(R.id.textViewDelivery);
+            recyclerViewOrders =itemView.findViewById(R.id.recyclerViewOrders);
+            tvTotalCost =itemView.findViewById(R.id.textViewTotalCost);
+            readyButton = itemView.findViewById(R.id.buttonReady);
+        }
+    }
+}
diff --git a/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_deliverer_closedOrders.java b/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_deliverer_closedOrders.java
new file mode 100644
index 0000000000000000000000000000000000000000..bc1b793b2d4fd7ba7c8cfaf387058b33e6e93c13
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_deliverer_closedOrders.java
@@ -0,0 +1,112 @@
+package com.example.mampfmobil.ui.Classes;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.MampfMobil;
+import com.example.mampfmobil.ui.deliverer.DelivererOpenOrdersFragment;
+
+import java.util.Vector;
+
+public class Recyclerviewadapter_deliverer_closedOrders extends RecyclerView.Adapter<Recyclerviewadapter_deliverer_closedOrders.MyViewHolder>{
+
+
+    Context context;
+    Vector<Bestellung> bestellungen = new Vector<>();
+
+    public Recyclerviewadapter_deliverer_closedOrders(Context context, Vector<Bestellung> bestellungen ){
+        this.context =context;
+        this.bestellungen = bestellungen;
+    }
+    @NonNull
+    @Override
+    public Recyclerviewadapter_deliverer_closedOrders.MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        LayoutInflater inflator = LayoutInflater.from(context);
+        View view = inflator.inflate(R.layout.recyclerview_deliverer_orderrow,parent,false);
+
+        return new Recyclerviewadapter_deliverer_closedOrders.MyViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull Recyclerviewadapter_deliverer_closedOrders.MyViewHolder holder, int position) {
+        holder.tvID.setText(String.valueOf("# " + bestellungen.get(position).id));
+        holder.tvState.setText(bestellungen.get(position).state);
+
+        if(bestellungen.get(position).state.equals(context.getString(R.string.inTransportation))){
+            holder.readyButton.setText(context.getString(R.string.delivered));
+        }
+        else if(bestellungen.get(position).state.equals(context.getString(R.string.readyForTransportDelivererFound))){
+            holder.readyButton.setText(context.getString(R.string.inTransportation));
+        }
+        else if(bestellungen.get(position).state.equals(context.getString(R.string.readyForTransport))){
+            holder.readyButton.setText(context.getString(R.string.reserve));
+        }
+        else{
+            holder.readyButton.setVisibility(View.INVISIBLE);
+        }
+
+
+
+        holder.readyButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+
+                if (bestellungen.get(position).state.equals(context.getString(R.string.inTransportation))) {
+
+                    bestellungen.get(position).state = context.getString(R.string.delivered);
+                    int adapterPosition = holder.getAdapterPosition();
+                    if (adapterPosition != RecyclerView.NO_POSITION) {
+                        removeItem(adapterPosition);
+                    }
+                    DelivererOpenOrdersFragment.setVec(context);
+                    notifyItemRangeChanged(position, getItemCount());
+                }
+                if (bestellungen.get(position).state.equals(context.getString(R.string.readyForTransportDelivererFound))) {
+                    bestellungen.get(position).state = context.getString(R.string.inTransportation);
+                    DelivererOpenOrdersFragment.setVec(context);
+                    notifyItemRangeChanged(position, getItemCount());
+                    return;
+                }
+            }
+        });
+
+    }
+
+    public void removeItem(int position) {
+        bestellungen.remove(position);
+        notifyItemRemoved(position);
+        notifyItemRangeChanged(position, getItemCount());
+    }
+
+    @Override
+    public int getItemCount() {
+        return bestellungen.size();
+    }
+
+    public static class MyViewHolder extends RecyclerView.ViewHolder {
+
+        TextView tvID, tvDelivery,tvState,tvTotalCost,supAddress,cusAddress;
+        RecyclerView recyclerViewOrders;
+        Button readyButton;
+        public MyViewHolder(@NonNull View itemView) {
+            super(itemView);
+
+            cusAddress = itemView.findViewById(R.id.textView17);
+            supAddress = itemView.findViewById(R.id.textView14);
+            tvID = itemView.findViewById(R.id.textViewID);;
+            tvState = itemView.findViewById(R.id.textViewState);
+            tvDelivery = itemView.findViewById(R.id.textViewDelivery);
+            recyclerViewOrders =itemView.findViewById(R.id.recyclerViewOrders);
+            tvTotalCost =itemView.findViewById(R.id.textViewTotalCost);
+            readyButton = itemView.findViewById(R.id.buttonReady);
+        }
+    }
+}
diff --git a/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_deliverer_orders.java b/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_deliverer_orders.java
new file mode 100644
index 0000000000000000000000000000000000000000..efe46359fa11ecb75e80f6f0c98f137b42b71fef
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_deliverer_orders.java
@@ -0,0 +1,127 @@
+package com.example.mampfmobil.ui.Classes;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.MampfMobil;
+import com.example.mampfmobil.ui.customer.CustomerShoppingCartFragment;
+import com.example.mampfmobil.ui.deliverer.DelivererOpenOrdersFragment;
+
+import java.util.Vector;
+
+public class Recyclerviewadapter_deliverer_orders extends RecyclerView.Adapter<Recyclerviewadapter_deliverer_orders.MyViewHolder>{
+
+
+    Context context;
+    Vector<Bestellung> bestellungen = new Vector<>();
+
+    public Recyclerviewadapter_deliverer_orders(Context context,Vector<Bestellung> bestellungen ){
+        this.context =context;
+        this.bestellungen = bestellungen;
+    }
+    @NonNull
+    @Override
+    public Recyclerviewadapter_deliverer_orders.MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        LayoutInflater inflator = LayoutInflater.from(context);
+        View view = inflator.inflate(R.layout.recyclerview_deliverer_orderrow,parent,false);
+
+        return new Recyclerviewadapter_deliverer_orders.MyViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull Recyclerviewadapter_deliverer_orders.MyViewHolder holder, int position) {
+        holder.tvID.setText(String.valueOf("# " + bestellungen.get(position).id));
+        holder.tvState.setText(bestellungen.get(position).state);
+        holder.supAddress.setText(bestellungen.get(position).supplier.address);
+        holder.cusAddress.setText(bestellungen.get(position).costumer.adresse);
+
+        if(bestellungen.get(position).state.equals(context.getString(R.string.inTransportation))){
+            holder.readyButton.setText(context.getString(R.string.delivered));
+        }
+        else if(bestellungen.get(position).state.equals(context.getString(R.string.readyForTransportDelivererFound))){
+            holder.readyButton.setText(context.getString(R.string.inTransportation));
+        }
+        else if(bestellungen.get(position).state.equals(context.getString(R.string.readyForTransport))){
+            holder.readyButton.setText(context.getString(R.string.reserve));
+        }
+        else{
+            holder.readyButton.setVisibility(View.INVISIBLE);
+        }
+
+
+
+        holder.readyButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+
+                if (bestellungen.get(position).state.equals(context.getString(R.string.inTransportation))) {
+
+                    bestellungen.get(position).state = context.getString(R.string.delivered);
+                    int adapterPosition = holder.getAdapterPosition();
+                    if (adapterPosition != RecyclerView.NO_POSITION) {
+                        removeItem(adapterPosition);
+                    }
+                    DelivererOpenOrdersFragment.setVec(context);
+                    notifyItemRangeChanged(position, getItemCount());
+                }
+                if (bestellungen.get(position).state.equals(context.getString(R.string.readyForTransportDelivererFound))) {
+                    bestellungen.get(position).state = context.getString(R.string.inTransportation);
+                    DelivererOpenOrdersFragment.setVec(context);
+                    notifyItemRangeChanged(position, getItemCount());
+                    return;
+                }
+                if (bestellungen.get(position).state.equals(context.getString(R.string.readyForTransport))) {
+                    bestellungen.get(position).state = context.getString(R.string.readyForTransportDelivererFound);
+                    bestellungen.get(position).deliverer = MampfMobil.currentDeliverer;
+                    int adapterPosition = holder.getAdapterPosition();
+                    if (adapterPosition != RecyclerView.NO_POSITION) {
+                        removeItem(adapterPosition);
+                    }
+                    DelivererOpenOrdersFragment.setVec(context);
+                    notifyItemRangeChanged(position, getItemCount());
+                    return;
+                }
+            }
+        });
+
+    }
+
+    public void removeItem(int position) {
+        bestellungen.remove(position);
+        notifyItemRemoved(position);
+        notifyItemRangeChanged(position, getItemCount());
+    }
+
+    @Override
+    public int getItemCount() {
+        return bestellungen.size();
+    }
+
+    public static class MyViewHolder extends RecyclerView.ViewHolder {
+
+        TextView tvID, tvDelivery,tvState,tvTotalCost,cusAddress,supAddress;
+        RecyclerView recyclerViewOrders;
+        Button readyButton;
+        public MyViewHolder(@NonNull View itemView) {
+            super(itemView);
+
+            tvID = itemView.findViewById(R.id.textViewID);
+            cusAddress = itemView.findViewById(R.id.textView17);
+            supAddress = itemView.findViewById(R.id.textView14);
+            tvState = itemView.findViewById(R.id.textViewState);
+            tvDelivery = itemView.findViewById(R.id.textViewDelivery);
+            recyclerViewOrders =itemView.findViewById(R.id.recyclerViewOrders);
+            tvTotalCost =itemView.findViewById(R.id.textViewTotalCost);
+            readyButton = itemView.findViewById(R.id.buttonReady);
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_editItem.java b/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_editItem.java
new file mode 100644
index 0000000000000000000000000000000000000000..54e0966d69440ffe2caa99e086b483b52144c34b
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_editItem.java
@@ -0,0 +1,92 @@
+package com.example.mampfmobil.ui.Classes;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.CheckBox;
+import android.widget.EditText;
+import android.widget.ImageButton;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.MampfMobil;
+import com.example.mampfmobil.ui.customer.CustomerShoppingCartFragment;
+
+import java.util.Vector;
+
+public class Recyclerviewadapter_editItem extends RecyclerView.Adapter<Recyclerviewadapter_editItem.MyViewHolder> {
+
+    Context context;
+    Vector<ShopItem> shopItems;
+
+    public Recyclerviewadapter_editItem(Context context){
+        this.context = context;
+        this.shopItems = MampfMobil.currentSupplier.shopItems;
+    }
+
+    @NonNull
+    @Override
+    public Recyclerviewadapter_editItem.MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+
+        LayoutInflater inflater = LayoutInflater.from(context);
+        View view = inflater.inflate(R.layout.recyclerview_edititemrow,parent,false);
+        return new Recyclerviewadapter_editItem.MyViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull Recyclerviewadapter_editItem.MyViewHolder holder, int position) {
+        holder.tvName.setText(shopItems.get(position).item.name);
+        holder.etPrice.setText(String.format("%.2f", (shopItems.get(position).item.price)) + " €");
+        holder.etAmount.setText(String.valueOf(shopItems.get(position).quantity));
+
+        holder.buttonDeleteItem.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                int adapterPosition = holder.getAdapterPosition();
+                if (adapterPosition != RecyclerView.NO_POSITION) {
+                    removeItem(adapterPosition);
+                }
+            }
+        });
+
+        holder.buttonEditItem.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                shopItems.get(position).quantity =Integer.parseInt( holder.etAmount.getText().toString());
+                shopItems.get(position).item.price =Double.parseDouble( holder.etAmount.getText().toString());
+            }
+        });
+
+    }
+
+    public void removeItem(int position) {
+        shopItems.remove(position);
+        notifyItemRemoved(position);
+        notifyItemRangeChanged(position, getItemCount());
+    }
+    @Override
+    public int getItemCount() {
+        return shopItems.size();
+    }
+
+    public static class MyViewHolder extends RecyclerView.ViewHolder{
+
+        Button buttonEditItem;
+        ImageButton buttonDeleteItem;
+        EditText etAmount, etPrice;
+        TextView tvName;
+        public MyViewHolder(@NonNull View itemView) {
+            super(itemView);
+            buttonDeleteItem = itemView.findViewById(R.id.deleteButton2);
+            buttonEditItem = itemView.findViewById(R.id.buttonEdit);
+            etAmount = itemView.findViewById(R.id.editTextAmount);
+            etPrice = itemView.findViewById(R.id.editTextPrice);
+            tvName = itemView.findViewById(R.id.textViewName);
+        }
+    }
+}
diff --git a/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_statistic.java b/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_statistic.java
new file mode 100644
index 0000000000000000000000000000000000000000..90c5dc78cd46df0b790eb9c07a9dc1af4aca68e8
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/Classes/Recyclerviewadapter_statistic.java
@@ -0,0 +1,96 @@
+package com.example.mampfmobil.ui.Classes;
+
+import android.content.Context;
+import android.icu.text.Transliterator;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.MampfMobil;
+
+import java.util.Vector;
+
+
+
+public class Recyclerviewadapter_statistic extends RecyclerView.Adapter<Recyclerviewadapter_statistic.MyViewHolder> {
+
+    Context context;
+    public Vector<ShopItem> shopItems;
+    public Vector<Bestellung> bestellungen;
+
+    public Recyclerviewadapter_statistic(Context context){
+        this.context = context;
+        this.shopItems = MampfMobil.currentSupplier.shopItems;
+        bestellungen = new Vector<>();
+        for(Customer c:MampfMobil.customers){
+            for(Bestellung b:c.bestellungen){
+                if(b.supplier==MampfMobil.currentSupplier){
+                    bestellungen.add(b);
+                }
+            }
+        }
+
+    }
+
+    @NonNull
+    @Override
+    public Recyclerviewadapter_statistic.MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        LayoutInflater inflater = LayoutInflater.from(context);
+        View view = inflater.inflate(R.layout.recyclerview_statisticrow,parent,false);
+        return new Recyclerviewadapter_statistic.MyViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull Recyclerviewadapter_statistic.MyViewHolder holder, int position) {
+        holder.tvName.setText(shopItems.get(position).item.name);
+        holder.tvAmountNr.setText(String.valueOf(getItemsSold(position)));
+        holder.tvPrice.setText(String.format("%.2f", (shopItems.get(position).item.price)) + " €");
+        holder.tvSum.setText(getItemSum(position));
+    }
+
+
+    @Override
+    public int getItemCount() {
+        return shopItems.size();
+    }
+
+    public static class MyViewHolder extends RecyclerView.ViewHolder {
+
+        TextView tvName, tvAmountNr, tvPrice, tvSum;
+
+        public MyViewHolder(@NonNull View itemView) {
+            super(itemView);
+            tvName = itemView.findViewById(R.id.textViewName);
+            tvAmountNr = itemView.findViewById(R.id.textViewSoldUnits);
+            tvPrice = itemView.findViewById(R.id.textViewPrice);
+            tvSum = itemView.findViewById(R.id.textViewSum);
+        }
+    }
+
+    private String getItemSum(int position){
+        double temp = 0.0;
+        temp = shopItems.get(position).item.price * getItemsSold(position);
+
+        return String.valueOf(temp);
+    }
+    private int getItemsSold(int position){
+
+        int temp = 0;
+        for(Bestellung b:bestellungen){
+            for(BestellungsTeil bt:b.bestellungsTeile){
+                if(bt.item ==shopItems.get(position).item){
+                    temp += bt.quantity;
+                }
+            }
+        }
+
+        return temp;
+
+    }
+
+}
diff --git a/app/src/main/java/com/example/mampfmobil/ui/Classes/ShopItem.java b/app/src/main/java/com/example/mampfmobil/ui/Classes/ShopItem.java
new file mode 100644
index 0000000000000000000000000000000000000000..6a4cd474b9d6eb52cafe267998808c99ab47ed5f
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/Classes/ShopItem.java
@@ -0,0 +1,23 @@
+package com.example.mampfmobil.ui.Classes;
+
+import android.util.Log;
+
+public class ShopItem {
+    public Item item;
+    public int quantity;
+    public int id;
+
+    public ShopItem(Item item, int quantity){
+        this.item = item;
+        this.quantity = quantity;
+        id = item.id;
+    }
+
+    public ShopItem(int id,Item item, int quantity){
+
+        this.item = item;
+        this.quantity = quantity;
+        this.id = id;
+    }
+
+}
diff --git a/app/src/main/java/com/example/mampfmobil/ui/Classes/Supplier.java b/app/src/main/java/com/example/mampfmobil/ui/Classes/Supplier.java
new file mode 100644
index 0000000000000000000000000000000000000000..d242464b024b0c17829ac2c8c7b23ba7bdb9e791
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/Classes/Supplier.java
@@ -0,0 +1,43 @@
+package com.example.mampfmobil.ui.Classes;
+
+import android.util.Log;
+
+import java.util.Vector;
+
+public class Supplier {
+
+    public String name;
+    public String address;
+
+    public static int idCounter = 1;
+    public int id;
+
+    public Vector<ShopItem> shopItems = new Vector<>();
+
+    public Supplier(String name,String adresse) {
+        shopItems = new Vector<>();
+        this.name = name;
+        this.address = adresse;
+        id = idCounter;
+        idCounter++;
+    }
+
+    public Supplier(int id, String name,String adresse) {
+        shopItems = new Vector<>();
+        this.name = name;
+        this.address = adresse;
+        this.id = id;
+    }
+
+    public void itemAdd(String name,int quantity, double price){
+        shopItems.add(new ShopItem(new Item(name,price,this),quantity));
+    }
+    public void itemAdd(int idItem,String name,int quantity, double price){
+
+        shopItems.add(idItem,new ShopItem(idItem,new Item(idItem,name,price,this),quantity));
+
+    }
+
+
+
+}
diff --git a/app/src/main/java/com/example/mampfmobil/ui/CustomerActivity.java b/app/src/main/java/com/example/mampfmobil/ui/CustomerActivity.java
new file mode 100644
index 0000000000000000000000000000000000000000..9ede2334513f438b7e9c09d42ab7b285539db5ed
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/CustomerActivity.java
@@ -0,0 +1,161 @@
+package com.example.mampfmobil.ui;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.Log;
+
+import com.example.mampfmobil.MainActivity;
+import com.example.mampfmobil.R;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.navigation.NavController;
+import androidx.navigation.Navigation;
+import androidx.navigation.fragment.NavHostFragment;
+import androidx.navigation.ui.AppBarConfiguration;
+import androidx.navigation.ui.NavigationUI;
+import com.example.mampfmobil.databinding.ActivityCustomerBinding;
+import com.example.mampfmobil.databinding.ActivityDelivererBinding;
+import com.example.mampfmobil.ui.Classes.ShopItem;
+import com.example.mampfmobil.ui.Classes.Supplier;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.Vector;
+
+public class CustomerActivity extends AppCompatActivity {
+
+private ActivityCustomerBinding binding;
+
+    public static ArrayList<ShopItem> shopItemList = new ArrayList<>();
+
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        Log.d("myTag", "This is my Costumer");
+
+        binding = ActivityCustomerBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+        // Enable the back button in the ActionBar
+
+
+        AppBarConfiguration appBarConfiguration = new AppBarConfiguration.Builder(
+                R.id.navigation_shop, R.id.navigation_shopping_cart, R.id.navigation_orders)
+                .build();
+        NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment_activity_customer);
+        NavigationUI.setupActionBarWithNavController(this, navController, appBarConfiguration);
+        NavigationUI.setupWithNavController(binding.navView1, navController);
+        // Enable the back button in the ActionBar
+        ActionBar actionBar = getSupportActionBar();
+        if (actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+
+
+
+    }
+
+    @Override
+    public boolean onSupportNavigateUp() {
+        Intent intent = new Intent(this, MainActivity.class);
+        startActivity(intent);
+        return true; // true zurückgeben, um anzugeben, dass die Aktion behandelt wurde
+    }
+
+    public static void setupShop(){
+        shopItemList.clear();
+        Vector<Supplier> suppliers = MampfMobil.suppliers;
+        for(ShopItem si:MampfMobil.currentCustomer.favoriten){
+            shopItemList.add(si);
+        }
+
+        for(Supplier s: suppliers){
+            for(ShopItem si: s.shopItems){
+                if(!shopItemList.contains(si)){
+                    shopItemList.add(si);
+                }
+            }
+        }
+
+    }
+    public static void setupShop(String inputString){
+        shopItemList.clear();
+        Vector<Supplier> suppliers = MampfMobil.suppliers;
+
+        for(ShopItem si:MampfMobil.currentCustomer.favoriten){
+            if(si.item.name.contains(inputString)){
+                shopItemList.add(si);
+            }
+        }
+
+        for(Supplier s: suppliers){
+            for(ShopItem si: s.shopItems){
+                if(si.item.name.contains(inputString) && !shopItemList.contains(si)){
+                    shopItemList.add(si);
+                }
+            }
+        }
+
+    }
+
+
+    public static void setupShop(Supplier supplier){
+        shopItemList.clear();
+        Vector<Supplier> suppliers = MampfMobil.suppliers;
+
+        for(ShopItem si:MampfMobil.currentCustomer.favoriten){
+            if(si.item.supplier == supplier){
+                shopItemList.add(si);
+            }
+        }
+
+        for(Supplier s: suppliers){
+            for(ShopItem si: s.shopItems){
+                if(si.item.supplier == supplier && !shopItemList.contains(si)){
+                    shopItemList.add(si);
+                }
+            }
+        }
+
+    }
+
+    public static void sortShop(String inputString, Context context) {
+
+        if (inputString.equals(context.getString(R.string.price))) {
+            Collections.sort(shopItemList, new Comparator<ShopItem>() {
+                @Override
+                public int compare(ShopItem item1, ShopItem item2) {
+                    return Double.compare(item1.item.price, item2.item.price);
+                }
+            });
+        }
+        if (inputString.equals(context.getString(R.string.restamount))) {
+            Collections.sort(shopItemList, new Comparator<ShopItem>() {
+                @Override
+                public int compare(ShopItem item1, ShopItem item2) {
+                    return Double.compare( item2.quantity,item1.quantity);
+                }
+            });
+        }
+        if (inputString.equals(context.getString(R.string.name))) {
+            Collections.sort(shopItemList, new Comparator<ShopItem>() {
+                @Override
+                public int compare(ShopItem item1, ShopItem item2) {
+                    return item1.item.name.compareTo(item2.item.name);
+                }
+            });
+        }
+
+    }
+
+    @Override
+    protected void onStop() {
+        Log.d("myTag", "SAVED PERSISTANT");
+        MampfMobil.savePersistant();
+        super.onStop();
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/DecideFragment.java b/app/src/main/java/com/example/mampfmobil/ui/DecideFragment.java
new file mode 100644
index 0000000000000000000000000000000000000000..8f5ac5cb1f3c17f6a14c77d2da33bc44e1a93658
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/DecideFragment.java
@@ -0,0 +1,170 @@
+package com.example.mampfmobil.ui;
+
+import androidx.appcompat.app.AppCompatDelegate;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
+import androidx.lifecycle.ViewModelProvider;
+
+import android.content.Intent;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+import android.os.Build;
+import android.os.Bundle;
+
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.ImageButton;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.customer.CustomerLogonFragment;
+import com.example.mampfmobil.ui.customer.CustomerRegisterFragment;
+import com.example.mampfmobil.ui.deliverer.DelivererLogonFragment;
+import com.example.mampfmobil.ui.deliverer.DelivererRegisterFragment;
+import com.example.mampfmobil.ui.supplier.SupplierLogonFragment;
+import com.example.mampfmobil.ui.supplier.SupplierRegisterFragment;
+
+import java.util.Locale;
+
+public class DecideFragment extends Fragment {
+
+    private DecideViewModel mViewModel;
+
+    public static DecideFragment newInstance() {
+        return new DecideFragment();
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View rootView = inflater.inflate(R.layout.fragment_decide, container, false);
+
+        ImageButton deButton = rootView.findViewById(R.id.imageView);
+        ImageButton enButton = rootView.findViewById(R.id.imageView2);
+        ImageButton darkMode = rootView.findViewById(R.id.imageButton);
+
+        darkMode.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                // Den Dark Mode programmgesteuert aktivieren
+                setDarkMode(true);
+            }
+        });
+
+        ImageButton lightMode = rootView.findViewById(R.id.imageButton2);
+
+        lightMode.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                // Den Dark Mode programmgesteuert aktivieren
+                setDarkMode(false);
+            }
+        });
+
+
+        deButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                setLocale("de"); // Aufruf der Funktion zum Ändern der Sprache auf Deutsch
+            }
+        });
+
+        enButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                setLocale("en"); // Aufruf der Funktion zum Ändern der Sprache auf Englisch
+            }
+        });
+
+        Button button = rootView.findViewById(R.id.CustomerButton);
+        button.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                FragmentManager fragmentManager = requireActivity().getSupportFragmentManager();
+                FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
+                fragmentTransaction.replace(R.id.container, new CustomerLogonFragment());
+                fragmentTransaction.addToBackStack(null); // Fügt den Fragment-Wechsel zur Back-Stack hinzu
+                fragmentTransaction.commit();
+            }
+        });
+
+        Button button2 = rootView.findViewById(R.id.SupplierButton);
+        button2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                FragmentManager fragmentManager = requireActivity().getSupportFragmentManager();
+                FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
+                fragmentTransaction.replace(R.id.container, new SupplierLogonFragment());
+                fragmentTransaction.addToBackStack(null); // Fügt den Fragment-Wechsel zur Back-Stack hinzu
+                fragmentTransaction.commit();
+            }
+        });
+
+
+        Button button3 = rootView.findViewById(R.id.DelivererButton);
+        button3.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                FragmentManager fragmentManager = requireActivity().getSupportFragmentManager();
+                FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
+                fragmentTransaction.replace(R.id.container, new DelivererLogonFragment());
+                fragmentTransaction.addToBackStack(null); // Fügt den Fragment-Wechsel zur Back-Stack hinzu
+                fragmentTransaction.commit();
+            }
+        });
+        return rootView;
+    }
+
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        mViewModel = new ViewModelProvider(this).get(DecideViewModel.class);
+        // TODO: Use the ViewModel
+    }
+
+    private void setLocale(String languageCode) {
+        Locale locale = new Locale(languageCode);
+        Resources resources = getResources();
+        Configuration configuration = resources.getConfiguration();
+        configuration.setLocale(locale);
+        resources.updateConfiguration(configuration, resources.getDisplayMetrics());
+
+        recreateActivity(); // Aktivität neu starten, um die Änderungen anzuwenden
+    }
+
+    private void setDarkMode(boolean enabled) {
+
+        if (enabled) {
+
+            // Dark Mode aktivieren
+            AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_YES);
+        } else {
+            // Dark Mode deaktivieren
+            AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO);
+        }
+
+        recreateActivity(); // Aktivität neu starten, um den Dark Mode anzuwenden
+
+    }
+
+    private void recreateActivity() {
+        // Aktivität neu starten
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
+            requireActivity().recreate();
+        } else {
+            Intent intent = requireActivity().getIntent();
+            intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
+            requireActivity().finish();
+            requireActivity().overridePendingTransition(0, 0);
+            startActivity(intent);
+            requireActivity().overridePendingTransition(0, 0);
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/DecideViewModel.java b/app/src/main/java/com/example/mampfmobil/ui/DecideViewModel.java
new file mode 100644
index 0000000000000000000000000000000000000000..410d3d39a881589a80fba36fa29b143aa08b13b3
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/DecideViewModel.java
@@ -0,0 +1,7 @@
+package com.example.mampfmobil.ui;
+
+import androidx.lifecycle.ViewModel;
+
+public class DecideViewModel extends ViewModel {
+    // TODO: Implement the ViewModel
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/DelivererActivity.java b/app/src/main/java/com/example/mampfmobil/ui/DelivererActivity.java
new file mode 100644
index 0000000000000000000000000000000000000000..b24cf187f60e16f234acd7a64b3ae2695fb449c7
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/DelivererActivity.java
@@ -0,0 +1,57 @@
+package com.example.mampfmobil.ui;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.navigation.NavController;
+import androidx.navigation.Navigation;
+import androidx.navigation.ui.AppBarConfiguration;
+import androidx.navigation.ui.NavigationUI;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.Log;
+
+import com.example.mampfmobil.MainActivity;
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.databinding.ActivityDelivererBinding;
+
+public class DelivererActivity extends AppCompatActivity {
+
+private ActivityDelivererBinding binding;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+
+        binding = ActivityDelivererBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+
+        Log.d("myTag", "This is my Deliverer");
+
+
+
+        // Fragment "fragment_decide" wird angezeigt
+        AppBarConfiguration appBarConfiguration = new AppBarConfiguration.Builder(
+                R.id.navigation_home, R.id.navigation_dashboard, R.id.navigation_notifications)
+                .build();
+        NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment_activity_deliverer);
+        NavigationUI.setupActionBarWithNavController(this, navController, appBarConfiguration);
+        NavigationUI.setupWithNavController(binding.navView3, navController);
+
+
+    }
+    @Override
+    public boolean onSupportNavigateUp() {
+        Intent intent = new Intent(this, MainActivity.class);
+        startActivity(intent);
+        return true; // true zurückgeben, um anzugeben, dass die Aktion behandelt wurde
+    }
+
+    @Override
+    protected void onStop() {
+        Log.d("myTag", "SAVED PERSISTANT");
+        MampfMobil.savePersistant();
+        super.onStop();
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/MampfMobil.java b/app/src/main/java/com/example/mampfmobil/ui/MampfMobil.java
new file mode 100644
index 0000000000000000000000000000000000000000..0990102d5b6c7aba5dafc57cd374defc2018a483
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/MampfMobil.java
@@ -0,0 +1,544 @@
+package com.example.mampfmobil.ui;
+
+import android.content.Context;
+import android.util.Log;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.Classes.Bestellung;
+import com.example.mampfmobil.ui.Classes.BestellungsTeil;
+import com.example.mampfmobil.ui.Classes.Customer;
+import com.example.mampfmobil.ui.Classes.Deliverer;
+import com.example.mampfmobil.ui.Classes.Item;
+import com.example.mampfmobil.ui.Classes.ShopItem;
+import com.example.mampfmobil.ui.Classes.Supplier;
+
+import java.util.Vector;
+
+public class MampfMobil {
+
+    public static Vector<Customer> customers;
+    public static Customer currentCustomer;
+    public static Vector<Deliverer> deliverers;
+    public static Deliverer currentDeliverer;
+    public static Vector<Supplier> suppliers;
+    public static Supplier currentSupplier;
+
+    static Context context;
+
+
+
+    public static boolean isInitialized = false;
+
+    public MampfMobil(Context context){
+        this.context = context;
+
+        if(!isInitialized) {
+            customers = new Vector<>();
+            deliverers = new Vector<>();
+            suppliers = new Vector<>();
+            takefromPersistance();
+            isInitialized = true;
+        }
+
+        /*if(!isInitialized) {
+            customers = new Vector<>();
+            deliverers = new Vector<>();
+            suppliers = new Vector<>();
+
+            //create Dummys!!!
+            customers.add(new Customer("Fabio", "Heyming", "Weinbergstr 70, 55299 Nackenheim"));
+            customers.add(new Customer("Leah", "Iilyav", "Bad Homburg"));
+            customers.add(new Customer("Max", "Muster", "Musteradresse"));
+            deliverers.add(new Deliverer("Mr", "Fahrer", "Fahrstr."));
+            deliverers.add(new Deliverer("Mrs", "Fahrerin", "Fahrstr."));
+            suppliers.add(new Supplier("DummyShop", "Dummystreet"));
+            suppliers.add(new Supplier("FreeShop", "Freeadress"));
+            suppliers.add(new Supplier("Rewe", "Rewestr"));
+            suppliers.get(0).itemAdd("DummyApfel", 10, 0.5);
+            suppliers.get(0).itemAdd("DummyBanane", 5, 0.8);
+            suppliers.get(0).itemAdd("DummyBirne", 10, 0.5);
+            suppliers.get(0).itemAdd("DummyAnanas", 5, 0.8);
+            suppliers.get(1).itemAdd("DummyApfel", 10, 0.5);
+            suppliers.get(1).itemAdd("DummyBanane", 5, 0.8);
+            suppliers.get(2).itemAdd("FreeApfel", 5, 3.4);
+            suppliers.get(2).itemAdd("FreeBanane", 5, 5.8);
+
+            Bestellung temp = new Bestellung(suppliers.get(0),true,context.getString(R.string.ordered),customers.get(0));
+            temp.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(0).item, 5));
+            temp.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(1).item, 2));
+            temp.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(0).item, 2));
+            temp.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(1).item, 7));
+            customers.get(0).addBestellung(temp);
+
+            Bestellung temp4 = new Bestellung(suppliers.get(0),true,context.getString(R.string.readyForTransport),customers.get(0));
+            temp4.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(0).item, 8));
+            temp4.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(1).item, 2));
+            temp4.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(2).item, 1));
+            customers.get(0).addBestellung(temp4);
+
+            Bestellung temp6 = new Bestellung(suppliers.get(0),true,context.getString(R.string.readyForTransportDelivererFound),customers.get(0));
+            temp6.deliverer = deliverers.get(0);
+            temp6.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(0).item, 8));
+            temp6.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(1).item, 2));
+            temp6.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(2).item, 1));
+            customers.get(0).addBestellung(temp6);
+
+            Bestellung temp5 = new Bestellung(suppliers.get(0),false,context.getString(R.string.readyForPickup),customers.get(0));
+            temp5.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(0).item, 8));
+            temp5.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(1).item, 2));
+            temp5.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(2).item, 1));
+            customers.get(0).addBestellung(temp5);
+
+            Bestellung temp2 = new Bestellung(suppliers.get(0),true,context.getString(R.string.inTransportation),customers.get(0));
+            temp2.deliverer = deliverers.get(0);
+            temp2.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(0).item, 5));
+            temp2.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(1).item, 10));
+            temp2.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(2).item, 5));
+            temp2.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(3).item, 10));
+            customers.get(0).addBestellung(temp2);
+
+            Bestellung temp7 = new Bestellung(suppliers.get(0),true,context.getString(R.string.delivered),customers.get(0));
+            temp7.deliverer = deliverers.get(0);
+            temp7.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(0).item, 5));
+            temp7.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(1).item, 10));
+            temp7.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(2).item, 5));
+            temp7.addBestellungsteil(new BestellungsTeil(suppliers.get(0).shopItems.get(3).item, 10));
+            customers.get(0).addBestellung(temp7);
+
+            Bestellung temp3 = new Bestellung(suppliers.get(1),true,"ordered",customers.get(1));
+            temp3.addBestellungsteil(new BestellungsTeil(suppliers.get(1).shopItems.get(1).item, 7));
+            temp3.addBestellungsteil(new BestellungsTeil(suppliers.get(1).shopItems.get(0).item, 14));
+            customers.get(1).addBestellung(temp3);
+
+
+            customers.add(new Customer("", "", ""));
+            deliverers.add(new Deliverer("", "", ""));
+            suppliers.add(new Supplier("", ""));
+            isInitialized = true;
+            savePersistant();
+        }*/
+    }
+
+    public static boolean findCustomer(String vorname, String nachname){
+        for(Customer c:customers){
+            if(c.vorname.equals(vorname) && c.nachname.equals(nachname)){
+                MampfMobil.currentCustomer = c;
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public static boolean createCustomer(String vorname, String nachname,String adresse){
+        for(Customer c:customers){
+            if(c.vorname.equals(vorname) && c.nachname.equals(nachname)){
+                return false;
+            }
+        }
+        Customer temp = new Customer(vorname,nachname,adresse);
+        customers.add(temp);
+        currentCustomer = temp;
+        return true;
+    }
+
+    public static boolean findSupplier(String name){
+        for(Supplier s:suppliers){
+            if(s.name.equals(name)){
+                MampfMobil.currentSupplier = s;
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public static boolean createSupplier(String name,String address){
+        for(Supplier s:suppliers){
+            if(s.name.equals(name)){
+                return false;
+            }
+        }
+        Supplier temp = new Supplier(name,address);
+        suppliers.add(temp);
+        currentSupplier = temp;
+        return true;
+    }
+    public static boolean findDeliverer(String vorname, String nachname){
+        for(Deliverer d:deliverers){
+            if(d.vorname.equals(vorname) && d.nachname.equals(nachname)){
+                MampfMobil.currentDeliverer = d;
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public static boolean createDeliverer(String vorname, String nachname,String address){
+        for(Deliverer d:deliverers){
+            if(d.vorname.equals(vorname) && d.nachname.equals(nachname)){
+                return false;
+            }
+        }
+
+        Deliverer temp = new Deliverer(vorname,nachname,address);
+        deliverers.add(temp);
+        currentDeliverer=temp;
+        return true;
+    }
+
+    public static int getItemQuantity(Item item){
+        for(Supplier s:suppliers){
+            for(ShopItem sI: s.shopItems){
+                if(sI.item == item){
+                    return sI.quantity;
+                }
+            }
+        }
+        return 0;
+    }
+
+
+
+    public static void savePersistant(){
+
+        //ID,VORNAME,NACHNAME,ADRESSE
+        String csvDeliverer = "";
+        for(Deliverer d:MampfMobil.deliverers){
+            csvDeliverer = csvDeliverer + d.id +","+ d.vorname +","+ d.nachname +","+ d.adresse + "\n";
+        }
+        String fileName = "deliverer.csv";
+        CSVFileHelper.saveCSVFile(context, fileName, csvDeliverer);
+
+
+        //ID,NAME,ADRESSE
+        String csvSupplier = "";
+        for(Supplier s:MampfMobil.suppliers){
+            csvSupplier = csvSupplier + s.id +","+ s.name +","+s.address + "\n";
+        }
+        String fileName2 = "supplier.csv";
+        CSVFileHelper.saveCSVFile(context, fileName2, csvSupplier);
+
+
+        //ID,VORNAME,NACHNAME,ADRESSE
+        String csvCustomer = "";
+        for(Customer c:MampfMobil.customers){
+            csvCustomer = csvCustomer + c.id +","+ c.vorname +","+ c.nachname +","+ c.adresse + "\n";
+        }
+        String fileName3 = "customer.csv";
+        CSVFileHelper.saveCSVFile(context, fileName3, csvCustomer);
+
+
+
+        // ID,NAME,PREIS,SUPPLIER-ID
+        String csvItems = "";
+        for(Supplier s:MampfMobil.suppliers){
+            for(ShopItem sI: s.shopItems){
+                csvItems = csvItems + sI.item.id + "," + sI.item.name + "," + sI.item.price + "," + sI.item.supplier.id + "\n";
+            }
+        }
+        String fileName4 = "items.csv";
+        CSVFileHelper.saveCSVFile(context, fileName4, csvItems);
+
+
+
+
+        // ID/ITEM-ID(immer gleich), AMOUNT
+        String csvShopItems = "";
+        for(Supplier s:MampfMobil.suppliers){
+            for(ShopItem sI: s.shopItems){
+                csvShopItems = csvShopItems + sI.id + "," + sI.quantity + "\n";
+            }
+        }
+        String fileName5 = "shopItems.csv";
+        CSVFileHelper.saveCSVFile(context, fileName5, csvShopItems);
+
+
+        // ID,CUSTOMER_ID, DELIVERY(TRUE/FALSE),STATE,DELIVERER-ID(0 when none),SUPPLIER-ID,
+        // bestellungsteil besteht aus  ITEM-ID1, QUANTITY1, ITEM-ID2, QUANTITY2, ITEM-ID3, QUANTITY3 .... \n
+        String csvBestellungen = "";
+        for(Customer c:MampfMobil.customers){
+            for(Bestellung b: c.bestellungen){
+                csvBestellungen = csvBestellungen + b.id + ","+ b.costumer.id+ "," + b.delivery + "," + b.state + ",";
+                if(b.deliverer == null){
+                    csvBestellungen = csvBestellungen + "0,";
+
+                }
+                else{
+                    csvBestellungen = csvBestellungen + b.deliverer.id + ",";
+
+                }
+                csvBestellungen = csvBestellungen + b.supplier.id;
+
+
+                for (BestellungsTeil bT: b.bestellungsTeile){
+                    csvBestellungen = csvBestellungen +","+ bT.item.id + "," + bT.quantity ;
+
+                }
+                csvBestellungen = csvBestellungen + "\n";
+
+            }
+        }
+        String fileName6 = "bestellungen.csv";
+        CSVFileHelper.saveCSVFile(context, fileName6, csvBestellungen);
+
+
+
+
+        //Customer-ID, ShopItem-ID
+        String csvFavoriten = "";
+        for(Customer c:MampfMobil.customers){
+            for(ShopItem sI: c.favoriten){
+                csvFavoriten = csvFavoriten + c.id + ","+ sI.id + "\n";
+            }
+        }
+        String fileName7 = "favoriten.csv";
+        CSVFileHelper.saveCSVFile(context, fileName7, csvFavoriten);
+
+
+        //Customer-ID, Item-ID, quantity
+        String csvShoppingCart = "";
+        for(Customer c:MampfMobil.customers){
+            for(BestellungsTeil bT: c.shoppingCart){
+                csvShoppingCart = csvShoppingCart + c.id + ","+ bT.item.id + "," + bT.quantity +"\n";
+            }
+        }
+        String fileName8 = "shoppingCart.csv";
+        CSVFileHelper.saveCSVFile(context, fileName8, csvShoppingCart);
+
+    }
+
+    public static void takefromPersistance() {
+
+        String fileName = "deliverer.csv";
+        String csvData = CSVFileHelper.loadCSVFile(context, fileName);
+        if (csvData != null) {
+            String[] lines = csvData.split("\n");
+            for (String line : lines) {
+                String[] data = line.split(",");
+
+                if (data.length >= 4) {
+                    int id = Integer.parseInt(data[0]);
+                    String vorname = data[1];
+                    String nachname = data[2];
+                    String adresse = data[3];
+
+                    // Verwende die Daten, um den Deliverer-Objekt zu erstellen oder zu aktualisieren
+                    Deliverer deliverer = new Deliverer(id, vorname, nachname, adresse);
+                    // Füge den Deliverer-Objekt deiner Datenstruktur hinzu
+                    MampfMobil.deliverers.add(deliverer);
+                }
+            }
+        }
+
+
+        String fileName2 = "customer.csv";
+        String csvData2 = CSVFileHelper.loadCSVFile(context, fileName2);
+        if (csvData2 != null) {
+            String[] lines = csvData2.split("\n");
+            for (String line : lines) {
+                String[] data = line.split(",");
+
+                if (data.length >= 4) {
+                    int id = Integer.parseInt(data[0]);
+                    String vorname = data[1];
+                    String nachname = data[2];
+                    String adresse = data[3];
+
+                    // Verwende die Daten, um den Deliverer-Objekt zu erstellen oder zu aktualisieren
+                    Customer customer = new Customer(id, vorname, nachname, adresse);
+                    // Füge den Deliverer-Objekt deiner Datenstruktur hinzu
+                    MampfMobil.customers.add(customer);
+                }
+            }
+        }
+
+
+        String fileName3 = "supplier.csv";
+        String csvData3 = CSVFileHelper.loadCSVFile(context, fileName3);
+        if (csvData3 != null) {
+            String[] lines = csvData3.split("\n");
+            for (String line : lines) {
+                String[] data = line.split(",");
+
+                if (data.length >= 3) {
+                    int id = Integer.parseInt(data[0]);
+                    String name = data[1];
+                    String adresse = data[2];
+
+                    // Verwende die Daten, um den Deliverer-Objekt zu erstellen oder zu aktualisieren
+                    Supplier supplier = new Supplier(id, name, adresse);
+                    // Füge den Deliverer-Objekt deiner Datenstruktur hinzu
+                    MampfMobil.suppliers.add(supplier);
+                }
+            }
+        }
+
+
+        String fileName4 = "items.csv";
+        String csvData4 = CSVFileHelper.loadCSVFile(context, fileName4);
+        if (csvData4 != null) {
+            String[] lines = csvData4.split("\n");
+            for (String line : lines) {
+                String[] data = line.split(",");
+
+                if (data.length >= 4) {
+                    int itemId = Integer.parseInt(data[0]);
+                    String name = data[1];
+                    double preis = Double.parseDouble(data[2]);
+                    int supplierId = Integer.parseInt(data[3]);
+
+                    // Verwende die Daten, um den Deliverer-Objekt zu erstellen oder zu aktualisieren
+                    for (Supplier s : MampfMobil.suppliers) {
+                        if (s.id == supplierId) {
+
+                            Item tempItem = new Item(itemId,name,preis,s);
+                            s.shopItems.add(new ShopItem(itemId,tempItem,0));
+                            //s.itemAdd(itemId, name, 0, preis);
+                        }
+                    }
+                }
+            }
+        }
+
+
+        String fileName5 = "shopItems.csv";
+        String csvData5 = CSVFileHelper.loadCSVFile(context, fileName5);
+        if (csvData5 != null) {
+            String[] lines = csvData5.split("\n");
+            for (String line : lines) {
+                String[] data = line.split(",");
+
+                if (data.length >= 2) {
+                    int itemId = Integer.parseInt(data[0]);
+                    int quantity = Integer.parseInt(data[1]);
+
+
+                    // Verwende die Daten, um den Deliverer-Objekt zu erstellen oder zu aktualisieren
+                    for (Supplier s : MampfMobil.suppliers) {
+                        for (ShopItem sI : s.shopItems) {
+                            if (sI.id == itemId) {
+                                sI.quantity = quantity;
+                            }
+                        }
+                    }
+                }
+            }
+
+        }
+
+
+        String fileName6 = "bestellungen.csv";
+        String csvData6 = CSVFileHelper.loadCSVFile(context, fileName6);
+        if (csvData6 != null) {
+            String[] lines = csvData6.split("\n");
+            for (String line : lines) {
+                String[] data = line.split(",");
+
+                if (data.length >= 6) {
+                    int ID = Integer.parseInt(data[0]);
+                    int customerId = Integer.parseInt(data[1]);
+                    String deliver = data[2];
+                    boolean delivery = false;
+                    if (deliver.equals("true")) {
+                        delivery = true;
+                    }
+                    String state = data[3];
+                    int delivererId = Integer.parseInt(data[4]);
+                    int supplierId = Integer.parseInt(data[5]);
+
+                    Supplier tempSup = null;
+                    for (Supplier s : MampfMobil.suppliers) {
+                        if (s.id == supplierId) {
+                            tempSup = s;
+                        }
+                    }
+                    Customer tempCus = null;
+                    for (Customer c : MampfMobil.customers) {
+                        if (c.id == customerId) {
+                            tempCus = c;
+                        }
+                    }
+
+                    Bestellung temp = new Bestellung(ID, tempSup, delivery, state, tempCus, delivererId);
+
+
+                    for (int i = 6; i < data.length; i += 2) {
+                        int ItemId = Integer.parseInt(data[i]);
+                        int quantity = Integer.parseInt(data[i + 1]);
+
+                        Item tempItem = null;
+                        for (Supplier s : MampfMobil.suppliers) {
+                            for (ShopItem sI : s.shopItems) {
+                                if (sI.id == ItemId) {
+                                    tempItem = sI.item;
+                                }
+                            }
+                        }
+
+                        temp.addBestellungsteil(new BestellungsTeil(tempItem, quantity));
+                    }
+
+                    tempCus.addBestellung(temp);
+                }
+            }
+        }
+
+
+
+        String fileName7 = "favoriten.csv";
+        String csvData7 = CSVFileHelper.loadCSVFile(context, fileName7);
+        if (csvData7 != null) {
+            String[] lines = csvData7.split("\n");
+            for (String line : lines) {
+                String[] data = line.split(",");
+                Log.d("myTag", "ADDED 1 fav");
+                if (data.length >= 2) {
+                    int cusId = Integer.parseInt(data[0]);
+                    int shopItemId = Integer.parseInt(data[1]);
+                    Log.d("myTag", "ADDED 2 fav");
+                    for (Customer c : MampfMobil.customers) {
+                        if (c.id == cusId) {
+                            Log.d("myTag", "ADDED 3 fav");
+                            for (Supplier s : MampfMobil.suppliers) {
+                                for (ShopItem sI : s.shopItems) {
+                                    Log.d("myTag", sI.id + "" + shopItemId);
+                                    if (sI.id == shopItemId) {
+                                        c.addToFavourits(sI);
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+
+
+
+        String fileName8 = "shoppingCart.csv";
+        String csvData8 = CSVFileHelper.loadCSVFile(context, fileName8);
+        if (csvData8 != null) {
+
+            String[] lines = csvData8.split("\n");
+            for (String line : lines) {
+                String[] data = line.split(",");
+                if (data.length >= 3) {
+                    int cusId = Integer.parseInt(data[0]);
+                    int itemId = Integer.parseInt(data[1]);
+                    int amount = Integer.parseInt(data[2]);
+                    for (Customer c : MampfMobil.customers) {
+                        if (c.id == cusId) {
+                            for (Supplier s : MampfMobil.suppliers) {
+                                for (ShopItem sI : s.shopItems) {
+                                    if (sI.item.id == itemId) {
+                                        c.addToShoppingCart(new BestellungsTeil(sI.item,amount));
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
diff --git a/app/src/main/java/com/example/mampfmobil/ui/SupplierActivity.java b/app/src/main/java/com/example/mampfmobil/ui/SupplierActivity.java
new file mode 100644
index 0000000000000000000000000000000000000000..e5e10dbe16f20a24caefeaffeb059b455fd0576a
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/SupplierActivity.java
@@ -0,0 +1,55 @@
+package com.example.mampfmobil.ui;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.navigation.NavController;
+import androidx.navigation.Navigation;
+import androidx.navigation.ui.AppBarConfiguration;
+import androidx.navigation.ui.NavigationUI;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.Log;
+
+import com.example.mampfmobil.MainActivity;
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.databinding.ActivityCustomerBinding;
+import com.example.mampfmobil.databinding.ActivitySupplierBinding;
+import com.google.android.material.bottomnavigation.LabelVisibilityMode;
+
+public class SupplierActivity extends AppCompatActivity {
+
+    private ActivitySupplierBinding binding;
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        binding = ActivitySupplierBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+        Log.d("myTag", "This is my Supplier");
+
+        // Fragment "fragment_decide" wird angezeigt
+        AppBarConfiguration appBarConfiguration = new AppBarConfiguration.Builder(
+                R.id.navigation_home, R.id.navigation_dashboard, R.id.navigation_notifications, R.id.navigation_ordersSupplier)
+                .build();
+        NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment_activity_supplier);
+        NavigationUI.setupActionBarWithNavController(this, navController, appBarConfiguration);
+        NavigationUI.setupWithNavController(binding.navView2, navController);
+        binding.navView2.setLabelVisibilityMode(1);
+
+    }
+
+    @Override
+    public boolean onSupportNavigateUp() {
+        Intent intent = new Intent(this, MainActivity.class);
+        startActivity(intent);
+        return true; // true zurückgeben, um anzugeben, dass die Aktion behandelt wurde
+    }
+
+    @Override
+    protected void onStop() {
+        Log.d("myTag", "SAVED PERSISTANT");
+        MampfMobil.savePersistant();
+        super.onStop();
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerLogonFragment.java b/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerLogonFragment.java
new file mode 100644
index 0000000000000000000000000000000000000000..776a39d67ca3075c8d877f160a1829d1801ad261
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerLogonFragment.java
@@ -0,0 +1,98 @@
+package com.example.mampfmobil.ui.customer;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
+import androidx.lifecycle.ViewModelProvider;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.EditText;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.CustomerActivity;
+import com.example.mampfmobil.ui.MampfMobil;
+
+public class CustomerLogonFragment extends Fragment {
+
+    private CustomerLogonViewModel mViewModel;
+
+    public static CustomerLogonFragment newInstance() {
+        return new CustomerLogonFragment();
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {
+        View rootView = inflater.inflate(R.layout.fragment_customer_logon, container, false);
+
+        EditText firstname = rootView.findViewById(R.id.editTextFirstName);
+        EditText lastname = rootView.findViewById(R.id.editTextLastName);
+        Button button = rootView.findViewById(R.id.buttonRegister);
+
+        AppCompatActivity activity = (AppCompatActivity) requireActivity();
+        // Enable the back button in the ActionBar
+        ActionBar actionBar = activity.getSupportActionBar();
+        if(actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+
+        button.setOnClickListener(new View.OnClickListener() {
+            private Toast toast; //
+            @Override
+            public void onClick(View v) {
+                // Wechsel zum anderen Fragment
+
+                if(MampfMobil.findCustomer(firstname.getText().toString(),lastname.getText().toString())){
+                    Intent intent = new Intent(getActivity(), CustomerActivity.class);
+                    startActivity(intent);
+                }
+                else {
+                    if (toast != null) {
+                        toast.cancel(); // Vorhandene Toast-Nachricht abbrechen
+                    }
+                    toast = Toast.makeText(v.getContext(), getString(R.string.personNotFound), Toast.LENGTH_SHORT);
+                    toast.show();
+                }
+
+            }
+        });
+
+        Button button2 = rootView.findViewById(R.id.buttonRegister4);
+
+
+        button2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                FragmentManager fragmentManager = requireActivity().getSupportFragmentManager();
+                FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
+                fragmentTransaction.replace(R.id.container, new CustomerRegisterFragment());
+                fragmentTransaction.addToBackStack(null); // Fügt den Fragment-Wechsel zur Back-Stack hinzu
+                fragmentTransaction.commit();
+            }
+        });
+
+        return rootView;
+    };
+
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        mViewModel = new ViewModelProvider(this).get(CustomerLogonViewModel.class);
+        // TODO: Use the ViewModel
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerLogonViewModel.java b/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerLogonViewModel.java
new file mode 100644
index 0000000000000000000000000000000000000000..cdd96058407fad68af08474b4f5b55257cc0334d
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerLogonViewModel.java
@@ -0,0 +1,7 @@
+package com.example.mampfmobil.ui.customer;
+
+import androidx.lifecycle.ViewModel;
+
+public class CustomerLogonViewModel extends ViewModel {
+    // TODO: Implement the ViewModel
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerOrdersFragment.java b/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerOrdersFragment.java
new file mode 100644
index 0000000000000000000000000000000000000000..30b51c47096f8220520c739219bdd54a60909554
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerOrdersFragment.java
@@ -0,0 +1,67 @@
+package com.example.mampfmobil.ui.customer;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.lifecycle.ViewModelProvider;
+
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.Classes.Recyclerviewadapter_Orders;
+import com.example.mampfmobil.ui.Classes.Recyclerviewadapter_ShoppingCart;
+
+public class CustomerOrdersFragment extends Fragment {
+
+    private CustomerOrdersViewModel mViewModel;
+
+    public static CustomerOrdersFragment newInstance() {
+        return new CustomerOrdersFragment();
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {
+        View rootView = inflater.inflate(R.layout.fragment_customer_orders, container, false);
+
+        RecyclerView recyclerView = rootView.findViewById(R.id.myOrdersRecycler);
+
+
+                // Set the layout manager
+        LinearLayoutManager layoutManager = new LinearLayoutManager(requireActivity());
+        recyclerView.setLayoutManager(layoutManager);
+        Recyclerviewadapter_Orders adapter = new Recyclerviewadapter_Orders(requireContext());
+        recyclerView.setAdapter(adapter);
+        adapter.notifyDataSetChanged();
+
+
+        AppCompatActivity activity = (AppCompatActivity) requireActivity();
+        // Enable the back button in the ActionBar
+        ActionBar actionBar = activity.getSupportActionBar();
+        if (actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+
+
+        return rootView;
+    }
+
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        mViewModel = new ViewModelProvider(this).get(CustomerOrdersViewModel.class);
+        // TODO: Use the ViewModel
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerOrdersViewModel.java b/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerOrdersViewModel.java
new file mode 100644
index 0000000000000000000000000000000000000000..e162ed7734bbe66f7b6c355447b5b89c6fe6b32c
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerOrdersViewModel.java
@@ -0,0 +1,7 @@
+package com.example.mampfmobil.ui.customer;
+
+import androidx.lifecycle.ViewModel;
+
+public class CustomerOrdersViewModel extends ViewModel {
+    // TODO: Implement the ViewModel
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerRegisterFragment.java b/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerRegisterFragment.java
new file mode 100644
index 0000000000000000000000000000000000000000..364653720aba0d2889eccb23163ad0d821bcd45a
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerRegisterFragment.java
@@ -0,0 +1,92 @@
+package com.example.mampfmobil.ui.customer;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.lifecycle.ViewModelProvider;
+
+import android.content.Intent;
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.CustomerActivity;
+import com.example.mampfmobil.ui.DelivererActivity;
+import com.example.mampfmobil.ui.MampfMobil;
+
+public class CustomerRegisterFragment extends Fragment {
+
+    private CustomerRegisterViewModel mViewModel;
+
+    public static CustomerRegisterFragment newInstance() {
+        return new CustomerRegisterFragment();
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {
+        View rootView = inflater.inflate(R.layout.fragment_customer_register, container, false);
+        Button button = rootView.findViewById(R.id.buttonRegister);
+        EditText firstname = rootView.findViewById(R.id.editTextFirstName);
+        EditText lastname = rootView.findViewById(R.id.editTextLastName);
+        EditText register = rootView.findViewById(R.id.editTextAddress);
+
+        AppCompatActivity activity = (AppCompatActivity) requireActivity();
+        // Enable the back button in the ActionBar
+        ActionBar actionBar = activity.getSupportActionBar();
+        if(actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+
+
+        button.setOnClickListener(new View.OnClickListener() {
+            private Toast toast; //
+            @Override
+            public void onClick(View v) {
+                if(firstname.getText().toString().equals("") || lastname.getText().toString().equals("") || register.getText().toString().equals("")){
+                    if (toast != null) {
+                        toast.cancel(); // Vorhandene Toast-Nachricht abbrechen
+                    }
+                    toast = Toast.makeText(v.getContext(), getString(R.string.noEmptyIn), Toast.LENGTH_SHORT);
+                    toast.show();
+                    return;
+                }
+                if(MampfMobil.createCustomer(firstname.getText().toString(),lastname.getText().toString(),register.getText().toString())){
+
+
+                    Intent intent = new Intent(getActivity(), CustomerActivity.class);
+                    startActivity(intent);
+                }
+                else {
+                    if (toast != null) {
+                        toast.cancel(); // Vorhandene Toast-Nachricht abbrechen
+                    }
+                    toast = Toast.makeText(v.getContext(), getString(R.string.personFound), Toast.LENGTH_SHORT);
+                    toast.show();
+                }
+                // Wechsel zum anderen Fragment
+            }
+        });
+
+
+        return rootView;
+    }
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        mViewModel = new ViewModelProvider(this).get(CustomerRegisterViewModel.class);
+        // TODO: Use the ViewModel
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerRegisterViewModel.java b/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerRegisterViewModel.java
new file mode 100644
index 0000000000000000000000000000000000000000..aed904eeb0af4a865e8eb608cfbf39e93b6bfa49
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerRegisterViewModel.java
@@ -0,0 +1,7 @@
+package com.example.mampfmobil.ui.customer;
+
+import androidx.lifecycle.ViewModel;
+
+public class CustomerRegisterViewModel extends ViewModel {
+    // TODO: Implement the ViewModel
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerShopFragment.java b/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerShopFragment.java
new file mode 100644
index 0000000000000000000000000000000000000000..9e6e4c21f718e62ff4b5ce47d18fd1d0b4ad8309
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerShopFragment.java
@@ -0,0 +1,114 @@
+package com.example.mampfmobil.ui.customer;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.lifecycle.ViewModelProvider;
+
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Spinner;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.Classes.Recyclerviewadapter_Shop;
+import com.example.mampfmobil.ui.CustomerActivity;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class CustomerShopFragment extends Fragment {
+
+    private CustomerShopViewModel mViewModel;
+
+    public static CustomerShopFragment newInstance() {
+        return new CustomerShopFragment();
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {
+        View rootView = inflater.inflate(R.layout.fragment_customer_shop, container, false);
+        RecyclerView recyclerView = rootView.findViewById(R.id.myShopRecycler);
+        Button searchButton = rootView.findViewById(R.id.searchButton);
+        EditText searchEditText = rootView.findViewById(R.id.editTextSearch);
+
+        List<String> options = new ArrayList<>();
+        options.add(getString(R.string.name));
+        options.add(getString(R.string.price));
+        options.add(getString(R.string.restamount));
+
+        Spinner spinner = rootView.findViewById(R.id.spinnerOptions);
+        ArrayAdapter<String> adapter2 = new ArrayAdapter<>(requireContext(), android.R.layout.simple_spinner_item, options);
+        adapter2.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        spinner.setAdapter(adapter2);
+
+
+
+        // Set the layout manager
+        LinearLayoutManager layoutManager = new LinearLayoutManager(requireActivity());
+
+        recyclerView.setLayoutManager(layoutManager);
+
+        CustomerActivity.setupShop();
+
+        Recyclerviewadapter_Shop adapter = new Recyclerviewadapter_Shop(requireContext(), CustomerActivity.shopItemList);
+
+        recyclerView.setAdapter(adapter);
+        adapter.notifyDataSetChanged();
+
+
+
+        searchButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                CustomerActivity.setupShop(searchEditText.getText().toString());
+                adapter.notifyDataSetChanged();
+            }
+        });
+
+        spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
+            @Override
+            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
+                String selectedOption = options.get(position);
+                CustomerActivity.sortShop(selectedOption,getContext());
+                adapter.notifyDataSetChanged();
+            }
+
+            @Override
+            public void onNothingSelected(AdapterView<?> parent) {
+                // Hier kannst du entsprechend reagieren, wenn nichts ausgewählt ist
+            }
+        });
+
+        AppCompatActivity activity = (AppCompatActivity) requireActivity();
+        // Enable the back button in the ActionBar
+        ActionBar actionBar = activity.getSupportActionBar();
+        if (actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+
+        // Return the inflated rootView
+        return rootView;
+    }
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        mViewModel = new ViewModelProvider(this).get(CustomerShopViewModel.class);
+        // TODO: Use the ViewModel
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerShopViewModel.java b/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerShopViewModel.java
new file mode 100644
index 0000000000000000000000000000000000000000..cab8bc573f709f89d165371852153434ff25db7c
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerShopViewModel.java
@@ -0,0 +1,7 @@
+package com.example.mampfmobil.ui.customer;
+
+import androidx.lifecycle.ViewModel;
+
+public class CustomerShopViewModel extends ViewModel {
+    // TODO: Implement the ViewModel
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerShoppingCartFragment.java b/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerShoppingCartFragment.java
new file mode 100644
index 0000000000000000000000000000000000000000..25bff74626c2931c5facefb80995e98e9cf8b506
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerShoppingCartFragment.java
@@ -0,0 +1,121 @@
+package com.example.mampfmobil.ui.customer;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
+import androidx.lifecycle.ViewModelProvider;
+
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Switch;
+import android.widget.TextView;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.Classes.Bestellung;
+import com.example.mampfmobil.ui.Classes.BestellungsTeil;
+import com.example.mampfmobil.ui.Classes.Recyclerviewadapter_Shop;
+import com.example.mampfmobil.ui.Classes.Recyclerviewadapter_ShoppingCart;
+import com.example.mampfmobil.ui.CustomerActivity;
+import com.example.mampfmobil.ui.MampfMobil;
+
+public class CustomerShoppingCartFragment extends Fragment {
+
+    private CustomerShoppingCartViewModel mViewModel;
+    public static TextView sum;
+
+    public static CustomerShoppingCartFragment newInstance() {
+        return new CustomerShoppingCartFragment();
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {
+
+        View rootView = inflater.inflate(R.layout.fragment_customer_shopping_cart, container, false);
+        EditText addressEditText = rootView.findViewById(R.id.editTextAddress);
+        sum = rootView.findViewById(R.id.textViewSumComplete);
+        addressEditText.setText(MampfMobil.currentCustomer.adresse);
+        RecyclerView recyclerView = rootView.findViewById(R.id.recyclerViewShoppingCart);
+        Button buyButton = rootView.findViewById(R.id.buttonBuyAll);
+        Switch switchDelivery = rootView.findViewById(R.id.switchDelivery);
+        setSum();
+
+        // Set the layout manager
+        LinearLayoutManager layoutManager = new LinearLayoutManager(requireActivity());
+        recyclerView.setLayoutManager(layoutManager);
+        Recyclerviewadapter_ShoppingCart adapter = new Recyclerviewadapter_ShoppingCart(requireContext());
+        recyclerView.setAdapter(adapter);
+        adapter.notifyDataSetChanged();
+
+        buyButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+
+                for(BestellungsTeil bT: MampfMobil.currentCustomer.shoppingCart){
+                    boolean exist = false;
+                    for(Bestellung b:MampfMobil.currentCustomer.bestellungen){
+                        if(b.supplier == bT.item.supplier && b.state.equals(v.getContext().getString(R.string.ordered)) && !switchDelivery.isChecked() == b.delivery){
+                            b.addBestellungsteil(bT);
+                            exist = true;
+                                }
+                    }
+                    if(!exist){
+                        MampfMobil.currentCustomer.addBestellung(new Bestellung(bT.item.supplier,!switchDelivery.isChecked(), rootView.getContext()));
+                        for(Bestellung b:MampfMobil.currentCustomer.bestellungen){
+                            if(b.supplier == bT.item.supplier && b.state.equals(v.getContext().getString(R.string.ordered))){
+                                b.addBestellungsteil(bT);
+
+                            }
+                        }
+                    }
+                }
+
+
+
+
+                MampfMobil.currentCustomer.shoppingCart.clear();
+                adapter.notifyDataSetChanged();
+                setSum();
+            }
+        });
+
+        AppCompatActivity activity = (AppCompatActivity) requireActivity();
+        // Enable the back button in the ActionBar
+        ActionBar actionBar = activity.getSupportActionBar();
+        if (actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+
+
+        return rootView;
+    }
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        mViewModel = new ViewModelProvider(this).get(CustomerShoppingCartViewModel.class);
+        // TODO: Use the ViewModel
+    }
+
+    public static void setSum(){
+        double temp = 0;
+        for(BestellungsTeil bT: MampfMobil.currentCustomer.shoppingCart){
+            temp = temp + bT.item.price* bT.quantity;
+        }
+        sum.setText(String.format("%.2f", temp) + " €");
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerShoppingCartViewModel.java b/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerShoppingCartViewModel.java
new file mode 100644
index 0000000000000000000000000000000000000000..136c1eba1120cdcd8e75293e01158e0ddc408d39
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/customer/CustomerShoppingCartViewModel.java
@@ -0,0 +1,7 @@
+package com.example.mampfmobil.ui.customer;
+
+import androidx.lifecycle.ViewModel;
+
+public class CustomerShoppingCartViewModel extends ViewModel {
+    // TODO: Implement the ViewModel
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererActiveOrdersFragment.java b/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererActiveOrdersFragment.java
new file mode 100644
index 0000000000000000000000000000000000000000..dd09ca536e3b7ea602152f634addbd647d182931
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererActiveOrdersFragment.java
@@ -0,0 +1,79 @@
+package com.example.mampfmobil.ui.deliverer;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.lifecycle.ViewModelProvider;
+
+import android.content.Context;
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.Classes.Bestellung;
+import com.example.mampfmobil.ui.Classes.Customer;
+import com.example.mampfmobil.ui.Classes.Recyclerviewadapter_deliverer_activeOrders;
+import com.example.mampfmobil.ui.Classes.Recyclerviewadapter_deliverer_closedOrders;
+import com.example.mampfmobil.ui.MampfMobil;
+
+import java.util.Vector;
+
+public class DelivererActiveOrdersFragment extends Fragment {
+
+    private DelivererActiveOrdersViewModel mViewModel;
+    static Vector<Bestellung> activeOrders = new Vector<>();
+
+    public static DelivererActiveOrdersFragment newInstance() {
+        return new DelivererActiveOrdersFragment();
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {
+        View rootView = inflater.inflate(R.layout.fragment_deliverer_active_orders, container, false);
+
+        RecyclerView recyclerView = rootView.findViewById(R.id.mySupplierOrdersRecycler);
+
+        AppCompatActivity activity = (AppCompatActivity) requireActivity();
+        // Enable the back button in the ActionBar
+        ActionBar actionBar = activity.getSupportActionBar();
+        if (actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+        LinearLayoutManager layoutManager = new LinearLayoutManager(requireActivity());
+        recyclerView.setLayoutManager(layoutManager);
+        Context context = rootView.getContext();
+        setVec(context);
+        Recyclerviewadapter_deliverer_activeOrders adapter = new Recyclerviewadapter_deliverer_activeOrders(requireContext(),activeOrders);
+        recyclerView.setAdapter(adapter);
+        adapter.notifyDataSetChanged();
+        return rootView;
+    }
+
+    public static void setVec(Context context){
+        activeOrders = new Vector<>();
+        for(Customer c: MampfMobil.customers){
+            for(Bestellung b:c.bestellungen){
+                if((b.state.equals(context.getString(R.string.readyForTransportDelivererFound)) || b.state.equals(context.getString(R.string.inTransportation))) && b.delivery){
+                    activeOrders.add(b);
+                }
+            }
+        }
+    }
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        mViewModel = new ViewModelProvider(this).get(DelivererActiveOrdersViewModel.class);
+        // TODO: Use the ViewModel
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererActiveOrdersViewModel.java b/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererActiveOrdersViewModel.java
new file mode 100644
index 0000000000000000000000000000000000000000..547d66c44b4eed4d4e93f244f829355870089833
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererActiveOrdersViewModel.java
@@ -0,0 +1,7 @@
+package com.example.mampfmobil.ui.deliverer;
+
+import androidx.lifecycle.ViewModel;
+
+public class DelivererActiveOrdersViewModel extends ViewModel {
+    // TODO: Implement the ViewModel
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererClosedOrdersFragment.java b/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererClosedOrdersFragment.java
new file mode 100644
index 0000000000000000000000000000000000000000..9b9962ca6b722ef87bb423ecee3a7009e7d3aadf
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererClosedOrdersFragment.java
@@ -0,0 +1,80 @@
+package com.example.mampfmobil.ui.deliverer;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.lifecycle.ViewModelProvider;
+
+import android.content.Context;
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.Classes.Bestellung;
+import com.example.mampfmobil.ui.Classes.Customer;
+import com.example.mampfmobil.ui.Classes.Recyclerviewadapter_deliverer_orders;
+import com.example.mampfmobil.ui.MampfMobil;
+
+import java.util.Vector;
+
+public class DelivererClosedOrdersFragment extends Fragment {
+
+    private DelivererClosedOrdersViewModel mViewModel;
+
+    static Vector<Bestellung> closedOrders = new Vector<>();
+
+    public static DelivererClosedOrdersFragment newInstance() {
+        return new DelivererClosedOrdersFragment();
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {
+        View rootView = inflater.inflate(R.layout.fragment_deliverer_closed_orders, container, false);
+
+        RecyclerView recyclerView = rootView.findViewById(R.id.mySupplierOrdersRecycler);
+
+        AppCompatActivity activity = (AppCompatActivity) requireActivity();
+        // Enable the back button in the ActionBar
+        ActionBar actionBar = activity.getSupportActionBar();
+        if (actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+
+        LinearLayoutManager layoutManager = new LinearLayoutManager(requireActivity());
+        recyclerView.setLayoutManager(layoutManager);
+        Context context = rootView.getContext();
+        setVec(context);
+        Recyclerviewadapter_deliverer_orders adapter = new Recyclerviewadapter_deliverer_orders(requireContext(),closedOrders);
+        recyclerView.setAdapter(adapter);
+        adapter.notifyDataSetChanged();
+        return rootView;
+    }
+
+    public static void setVec(Context context){
+        closedOrders = new Vector<>();
+        for(Customer c: MampfMobil.customers){
+            for(Bestellung b:c.bestellungen){
+                if(b.state.equals(context.getString(R.string.delivered)) && b.deliverer == MampfMobil.currentDeliverer){
+                    closedOrders.add(b);
+                }
+            }
+        }
+    }
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        mViewModel = new ViewModelProvider(this).get(DelivererClosedOrdersViewModel.class);
+        // TODO: Use the ViewModel
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererClosedOrdersViewModel.java b/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererClosedOrdersViewModel.java
new file mode 100644
index 0000000000000000000000000000000000000000..348b9db1e8003896b042ce87c115dee9c96850f2
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererClosedOrdersViewModel.java
@@ -0,0 +1,7 @@
+package com.example.mampfmobil.ui.deliverer;
+
+import androidx.lifecycle.ViewModel;
+
+public class DelivererClosedOrdersViewModel extends ViewModel {
+    // TODO: Implement the ViewModel
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererLogonFragment.java b/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererLogonFragment.java
new file mode 100644
index 0000000000000000000000000000000000000000..30989ced0a94074933824687604702b14aacdef5
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererLogonFragment.java
@@ -0,0 +1,99 @@
+package com.example.mampfmobil.ui.deliverer;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
+import androidx.lifecycle.ViewModelProvider;
+
+import android.content.Intent;
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.CustomerActivity;
+import com.example.mampfmobil.ui.DelivererActivity;
+import com.example.mampfmobil.ui.MampfMobil;
+import com.example.mampfmobil.ui.supplier.SupplierRegisterFragment;
+
+public class DelivererLogonFragment extends Fragment {
+
+    private DelivererLogonViewModel mViewModel;
+
+    public static DelivererLogonFragment newInstance() {
+        return new DelivererLogonFragment();
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {
+        View rootView = inflater.inflate(R.layout.fragment_deliverer_logon, container, false);
+        Button button = rootView.findViewById(R.id.buttonRegister);
+
+        EditText firstname = rootView.findViewById(R.id.editTextFirstName);
+        EditText lastname = rootView.findViewById(R.id.editTextLastName);
+
+        AppCompatActivity activity = (AppCompatActivity) requireActivity();
+        // Enable the back button in the ActionBar
+        ActionBar actionBar = activity.getSupportActionBar();
+        if(actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+
+        button.setOnClickListener(new View.OnClickListener() {
+            private Toast toast; //
+            @Override
+            public void onClick(View v) {
+                // Wechsel zum anderen Fragment
+
+                if(MampfMobil.findDeliverer(firstname.getText().toString(),lastname.getText().toString())){
+                    Intent intent = new Intent(getActivity(), DelivererActivity.class);
+                    startActivity(intent);
+                }
+                else {
+                    if (toast != null) {
+                        toast.cancel(); // Vorhandene Toast-Nachricht abbrechen
+                    }
+                    toast = Toast.makeText(v.getContext(), getString(R.string.personNotFound), Toast.LENGTH_SHORT);
+                    toast.show();
+                }
+            }
+        });
+
+        Button button2 = rootView.findViewById(R.id.buttonRegister3);
+
+
+        button2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                FragmentManager fragmentManager = requireActivity().getSupportFragmentManager();
+                FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
+                fragmentTransaction.replace(R.id.container, new DelivererRegisterFragment());
+                fragmentTransaction.addToBackStack(null); // Fügt den Fragment-Wechsel zur Back-Stack hinzu
+                fragmentTransaction.commit();
+            }
+        });
+
+        return rootView;
+    }
+
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        mViewModel = new ViewModelProvider(this).get(DelivererLogonViewModel.class);
+        // TODO: Use the ViewModel
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererLogonViewModel.java b/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererLogonViewModel.java
new file mode 100644
index 0000000000000000000000000000000000000000..c365126af8f30e549436779f773c5a1261f71c2e
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererLogonViewModel.java
@@ -0,0 +1,7 @@
+package com.example.mampfmobil.ui.deliverer;
+
+import androidx.lifecycle.ViewModel;
+
+public class DelivererLogonViewModel extends ViewModel {
+    // TODO: Implement the ViewModel
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererOpenOrdersFragment.java b/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererOpenOrdersFragment.java
new file mode 100644
index 0000000000000000000000000000000000000000..99e9da696f2b93c674307a7be1c3c3c7526bb26c
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererOpenOrdersFragment.java
@@ -0,0 +1,82 @@
+package com.example.mampfmobil.ui.deliverer;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.lifecycle.ViewModelProvider;
+
+import android.content.Context;
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.Classes.Bestellung;
+import com.example.mampfmobil.ui.Classes.Customer;
+import com.example.mampfmobil.ui.Classes.Recyclerviewadapter_Supplier_Orders;
+import com.example.mampfmobil.ui.Classes.Recyclerviewadapter_deliverer_orders;
+import com.example.mampfmobil.ui.MampfMobil;
+
+import java.util.Vector;
+
+public class DelivererOpenOrdersFragment extends Fragment {
+
+    private DelivererOpenOrdersViewModel mViewModel;
+
+    static Vector<Bestellung> openOrders = new Vector<>();
+
+    public static DelivererOpenOrdersFragment newInstance() {
+        return new DelivererOpenOrdersFragment();
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {
+
+        View rootView = inflater.inflate(R.layout.fragment_deliverer_open_orders, container, false);
+
+        RecyclerView recyclerView = rootView.findViewById(R.id.mySupplierOrdersRecycler);
+
+        AppCompatActivity activity = (AppCompatActivity) requireActivity();
+        // Enable the back button in the ActionBar
+        ActionBar actionBar = activity.getSupportActionBar();
+        if (actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+
+        LinearLayoutManager layoutManager = new LinearLayoutManager(requireActivity());
+        recyclerView.setLayoutManager(layoutManager);
+        Context context = rootView.getContext();
+        setVec(context);
+        Recyclerviewadapter_deliverer_orders adapter = new Recyclerviewadapter_deliverer_orders(requireContext(),openOrders);
+        recyclerView.setAdapter(adapter);
+        adapter.notifyDataSetChanged();
+        return rootView;
+    }
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        mViewModel = new ViewModelProvider(this).get(DelivererOpenOrdersViewModel.class);
+        // TODO: Use the ViewModel
+    }
+
+    public static void setVec(Context context){
+        openOrders = new Vector<>();
+        for(Customer c: MampfMobil.customers){
+            for(Bestellung b:c.bestellungen){
+                if(b.state.equals(context.getString(R.string.readyForTransport)) && b.delivery){
+                    openOrders.add(b);
+                }
+            }
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererOpenOrdersViewModel.java b/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererOpenOrdersViewModel.java
new file mode 100644
index 0000000000000000000000000000000000000000..9db5c4b6b4ca8533b7467f54c2d4c7e42050a6d4
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererOpenOrdersViewModel.java
@@ -0,0 +1,7 @@
+package com.example.mampfmobil.ui.deliverer;
+
+import androidx.lifecycle.ViewModel;
+
+public class DelivererOpenOrdersViewModel extends ViewModel {
+    // TODO: Implement the ViewModel
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererRegisterFragment.java b/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererRegisterFragment.java
new file mode 100644
index 0000000000000000000000000000000000000000..efd5f6e33ffbbf8a023e0af59a2c0b68db5bf093
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererRegisterFragment.java
@@ -0,0 +1,87 @@
+package com.example.mampfmobil.ui.deliverer;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.lifecycle.ViewModelProvider;
+
+import android.content.Intent;
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.DelivererActivity;
+import com.example.mampfmobil.ui.MampfMobil;
+
+public class DelivererRegisterFragment extends Fragment {
+
+    private DelivererRegisterViewModel mViewModel;
+
+    public static DelivererRegisterFragment newInstance() {
+        return new DelivererRegisterFragment();
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {        View rootView = inflater.inflate(R.layout.fragment_deliverer_register, container, false);
+        Button button = rootView.findViewById(R.id.buttonRegister);
+
+        EditText firstname = rootView.findViewById(R.id.editTextFirstName);
+        EditText lastname = rootView.findViewById(R.id.editTextLastName);
+        EditText register = rootView.findViewById(R.id.editTextAddress);
+
+        AppCompatActivity activity = (AppCompatActivity) requireActivity();
+        // Enable the back button in the ActionBar
+        ActionBar actionBar = activity.getSupportActionBar();
+        if(actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+
+        button.setOnClickListener(new View.OnClickListener() {
+            private Toast toast; //
+            @Override
+            public void onClick(View v) {
+                if(firstname.getText().toString().equals("") || lastname.getText().toString().equals("") || register.getText().toString().equals("")){
+                    if (toast != null) {
+                        toast.cancel(); // Vorhandene Toast-Nachricht abbrechen
+                    }
+                    toast = Toast.makeText(v.getContext(), getString(R.string.noEmptyIn), Toast.LENGTH_SHORT);
+                    toast.show();
+                    return;
+                }
+                if(MampfMobil.createDeliverer(firstname.getText().toString(),lastname.getText().toString(),register.getText().toString())){
+                    Intent intent = new Intent(getActivity(), DelivererActivity.class);
+                    startActivity(intent);
+                }
+                else {
+                    if (toast != null) {
+                        toast.cancel(); // Vorhandene Toast-Nachricht abbrechen
+                    }
+                    toast = Toast.makeText(v.getContext(), getString(R.string.personFound), Toast.LENGTH_SHORT);
+                    toast.show();
+                }
+                // Wechsel zum anderen Fragment
+            }
+        });
+
+        return rootView;
+    }
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        mViewModel = new ViewModelProvider(this).get(DelivererRegisterViewModel.class);
+        // TODO: Use the ViewModel
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererRegisterViewModel.java b/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererRegisterViewModel.java
new file mode 100644
index 0000000000000000000000000000000000000000..fac4ced197eac45a8b341f0954fef4c0e79e2918
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/deliverer/DelivererRegisterViewModel.java
@@ -0,0 +1,7 @@
+package com.example.mampfmobil.ui.deliverer;
+
+import androidx.lifecycle.ViewModel;
+
+public class DelivererRegisterViewModel extends ViewModel {
+    // TODO: Implement the ViewModel
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierAddItemFragment.java b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierAddItemFragment.java
new file mode 100644
index 0000000000000000000000000000000000000000..e8bab5a64c13fcee5aae9893d4d4c6e847accf87
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierAddItemFragment.java
@@ -0,0 +1,89 @@
+package com.example.mampfmobil.ui.supplier;
+
+import androidx.lifecycle.ViewModelProvider;
+
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.Classes.ShopItem;
+import com.example.mampfmobil.ui.MampfMobil;
+
+public class SupplierAddItemFragment extends Fragment {
+
+    private SupplierAddItemViewModel mViewModel;
+    private Toast toast;
+    private boolean exists = false;
+
+    public static SupplierAddItemFragment newInstance() {
+        return new SupplierAddItemFragment();
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {
+        View rootView = inflater.inflate(R.layout.fragment_supplier_add_item, container, false);
+
+        Button button = rootView.findViewById(R.id.buttonAddnewitem);
+        EditText etName = rootView.findViewById(R.id.editTextItemName);
+        EditText etAmount = rootView.findViewById(R.id.editTextItemAmount);
+        EditText etPrice = rootView.findViewById(R.id.editTextTextItemPrice);
+
+
+        button.setOnClickListener(new View.OnClickListener() {
+
+            @Override
+            public void onClick(View view) {
+
+                if(etName.getText().toString().equals("") || etPrice.getText().toString().equals("") || etAmount.getText().toString().equals("")){
+                    if (toast != null) {
+                        toast.cancel(); // Vorhandene Toast-Nachricht abbrechen
+                    }
+                    toast = Toast.makeText(rootView.getContext(), R.string.noemptyinput, Toast.LENGTH_SHORT);
+                    toast.show();
+                    return;
+                }
+                exists = false;
+                for(ShopItem sI: MampfMobil.currentSupplier.shopItems){
+
+                    if(sI.item.name.equals(etName.getText().toString())){
+                        exists = true;
+                    }
+                }
+                if(exists){
+                    if (toast != null) {
+                        toast.cancel(); // Vorhandene Toast-Nachricht abbrechen
+                    }
+                    toast = Toast.makeText(rootView.getContext(), R.string.item_already_exists, Toast.LENGTH_SHORT);
+                    toast.show();
+                }
+                else{
+                    MampfMobil.currentSupplier.itemAdd(etName.getText().toString(), Integer.parseInt(etAmount.getText().toString()),Double.parseDouble(etPrice.getText().toString()));
+                }
+
+            }
+        });
+
+
+
+        return rootView;
+    }
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        mViewModel = new ViewModelProvider(this).get(SupplierAddItemViewModel.class);
+        // TODO: Use the ViewModel
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierAddItemViewModel.java b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierAddItemViewModel.java
new file mode 100644
index 0000000000000000000000000000000000000000..fcb81f3ee19321b4bb025b4fb9a1a83dee4abd62
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierAddItemViewModel.java
@@ -0,0 +1,7 @@
+package com.example.mampfmobil.ui.supplier;
+
+import androidx.lifecycle.ViewModel;
+
+public class SupplierAddItemViewModel extends ViewModel {
+    // TODO: Implement the ViewModel
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierEditItemFragment.java b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierEditItemFragment.java
new file mode 100644
index 0000000000000000000000000000000000000000..0b335e921ebc4b1a5ca41b4b42a3ee40cc29128a
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierEditItemFragment.java
@@ -0,0 +1,53 @@
+package com.example.mampfmobil.ui.supplier;
+
+import androidx.lifecycle.ViewModelProvider;
+
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.Classes.Recyclerviewadapter_ShoppingCart;
+import com.example.mampfmobil.ui.Classes.Recyclerviewadapter_editItem;
+
+public class SupplierEditItemFragment extends Fragment {
+
+    private SupplierEditItemViewModel mViewModel;
+
+    public static SupplierEditItemFragment newInstance() {
+        return new SupplierEditItemFragment();
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {
+        View rootView = inflater.inflate(R.layout.fragment_supplier_edit_item, container, false);
+        RecyclerView recyclerView = rootView.findViewById(R.id.myShopitemsRecycler);
+
+        // Set the layout manager
+        LinearLayoutManager layoutManager = new LinearLayoutManager(requireActivity());
+        recyclerView.setLayoutManager(layoutManager);
+        Recyclerviewadapter_editItem adapter = new Recyclerviewadapter_editItem(requireContext());
+        recyclerView.setAdapter(adapter);
+        adapter.notifyDataSetChanged();
+
+
+        return rootView;
+    }
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        mViewModel = new ViewModelProvider(this).get(SupplierEditItemViewModel.class);
+        // TODO: Use the ViewModel
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierEditItemViewModel.java b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierEditItemViewModel.java
new file mode 100644
index 0000000000000000000000000000000000000000..dd29d45ab69f92a841dd82634e4449f5e81bf885
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierEditItemViewModel.java
@@ -0,0 +1,7 @@
+package com.example.mampfmobil.ui.supplier;
+
+import androidx.lifecycle.ViewModel;
+
+public class SupplierEditItemViewModel extends ViewModel {
+    // TODO: Implement the ViewModel
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierLogonFragment.java b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierLogonFragment.java
new file mode 100644
index 0000000000000000000000000000000000000000..cd907150b1c69524421373cdfca163e1888d4486
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierLogonFragment.java
@@ -0,0 +1,100 @@
+package com.example.mampfmobil.ui.supplier;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
+import androidx.lifecycle.ViewModelProvider;
+
+import android.content.Intent;
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.CustomerActivity;
+import com.example.mampfmobil.ui.DelivererActivity;
+import com.example.mampfmobil.ui.MampfMobil;
+import com.example.mampfmobil.ui.SupplierActivity;
+import com.example.mampfmobil.ui.deliverer.DelivererLogonFragment;
+
+public class SupplierLogonFragment extends Fragment {
+
+    private SupplierLogonViewModel mViewModel;
+
+    public static SupplierLogonFragment newInstance() {
+        return new SupplierLogonFragment();
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {
+        View rootView = inflater.inflate(R.layout.fragment_supplier_logon, container, false);
+        Button button = rootView.findViewById(R.id.buttonRegister);
+        EditText firstname = rootView.findViewById(R.id.editTextFirstName);
+
+        AppCompatActivity activity = (AppCompatActivity) requireActivity();
+        // Enable the back button in the ActionBar
+        ActionBar actionBar = activity.getSupportActionBar();
+        if(actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+
+
+        button.setOnClickListener(new View.OnClickListener() {
+            private Toast toast; //
+            @Override
+            public void onClick(View v) {
+
+
+                if(MampfMobil.findSupplier(firstname.getText().toString())){
+                    Intent intent = new Intent(getActivity(), SupplierActivity.class);
+                    startActivity(intent);
+                }
+                else {
+                    if (toast != null) {
+                        toast.cancel(); // Vorhandene Toast-Nachricht abbrechen
+                    }
+                    toast = Toast.makeText(v.getContext(), getString(R.string.supplierNotFound), Toast.LENGTH_SHORT);
+                    toast.show();
+                }
+
+            }
+        });
+
+        Button button2 = rootView.findViewById(R.id.buttonRegister2);
+
+        button2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                FragmentManager fragmentManager = requireActivity().getSupportFragmentManager();
+                FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
+                fragmentTransaction.replace(R.id.container, new SupplierRegisterFragment());
+                fragmentTransaction.addToBackStack(null); // Fügt den Fragment-Wechsel zur Back-Stack hinzu
+                fragmentTransaction.commit();
+            }
+        });
+
+
+        return rootView;
+    }
+
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        mViewModel = new ViewModelProvider(this).get(SupplierLogonViewModel.class);
+        // TODO: Use the ViewModel
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierLogonViewModel.java b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierLogonViewModel.java
new file mode 100644
index 0000000000000000000000000000000000000000..74624de76c6095197fbd4c50baf388c5541212c0
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierLogonViewModel.java
@@ -0,0 +1,7 @@
+package com.example.mampfmobil.ui.supplier;
+
+import androidx.lifecycle.ViewModel;
+
+public class SupplierLogonViewModel extends ViewModel {
+    // TODO: Implement the ViewModel
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierOrdersFragment.java b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierOrdersFragment.java
new file mode 100644
index 0000000000000000000000000000000000000000..3493a1a90ac9580c5fbe5faa7c462bf06d900fad
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierOrdersFragment.java
@@ -0,0 +1,62 @@
+package com.example.mampfmobil.ui.supplier;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.lifecycle.ViewModelProvider;
+
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.Classes.Recyclerviewadapter_Orders;
+import com.example.mampfmobil.ui.Classes.Recyclerviewadapter_Supplier_Orders;
+
+public class SupplierOrdersFragment extends Fragment {
+
+    private SupplierOrdersViewModel mViewModel;
+
+    public static SupplierOrdersFragment newInstance() {
+        return new SupplierOrdersFragment();
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {
+
+        View rootView = inflater.inflate(R.layout.fragment_supplier_orders, container, false);
+
+        RecyclerView recyclerView = rootView.findViewById(R.id.mySupplierOrdersRecycler);
+
+        AppCompatActivity activity = (AppCompatActivity) requireActivity();
+        // Enable the back button in the ActionBar
+        ActionBar actionBar = activity.getSupportActionBar();
+        if (actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+
+        LinearLayoutManager layoutManager = new LinearLayoutManager(requireActivity());
+        recyclerView.setLayoutManager(layoutManager);
+        Recyclerviewadapter_Supplier_Orders adapter = new Recyclerviewadapter_Supplier_Orders(requireContext());
+        recyclerView.setAdapter(adapter);
+        adapter.notifyDataSetChanged();
+
+        return rootView;
+    }
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        mViewModel = new ViewModelProvider(this).get(SupplierOrdersViewModel.class);
+        // TODO: Use the ViewModel
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierOrdersViewModel.java b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierOrdersViewModel.java
new file mode 100644
index 0000000000000000000000000000000000000000..ca7944a71bcc3840e1a21ee92d57756a86f27af9
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierOrdersViewModel.java
@@ -0,0 +1,7 @@
+package com.example.mampfmobil.ui.supplier;
+
+import androidx.lifecycle.ViewModel;
+
+public class SupplierOrdersViewModel extends ViewModel {
+    // TODO: Implement the ViewModel
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierRegisterFragment.java b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierRegisterFragment.java
new file mode 100644
index 0000000000000000000000000000000000000000..6bd6d744eade9f08572a018c2fb12cf6c918085c
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierRegisterFragment.java
@@ -0,0 +1,92 @@
+package com.example.mampfmobil.ui.supplier;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.lifecycle.ViewModelProvider;
+
+import android.content.Intent;
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.CustomerActivity;
+import com.example.mampfmobil.ui.DelivererActivity;
+import com.example.mampfmobil.ui.MampfMobil;
+import com.example.mampfmobil.ui.SupplierActivity;
+
+public class SupplierRegisterFragment extends Fragment {
+
+    private SupplierRegisterViewModel mViewModel;
+
+    public static SupplierRegisterFragment newInstance() {
+        return new SupplierRegisterFragment();
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {
+        View rootView = inflater.inflate(R.layout.fragment_supplier_register, container, false);
+        Button button = rootView.findViewById(R.id.buttonRegister);
+        EditText name = rootView.findViewById(R.id.editTextFirstName);
+        EditText register = rootView.findViewById(R.id.editTextAddress);
+
+        AppCompatActivity activity = (AppCompatActivity) requireActivity();
+        // Enable the back button in the ActionBar
+        ActionBar actionBar = activity.getSupportActionBar();
+        if(actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+
+        button.setOnClickListener(new View.OnClickListener() {
+            private Toast toast; //
+            @Override
+            public void onClick(View v) {
+                if(name.getText().toString().equals("") || register.getText().toString().equals("")){
+                    if (toast != null) {
+                        toast.cancel(); // Vorhandene Toast-Nachricht abbrechen
+                    }
+                    toast = Toast.makeText(v.getContext(), getString(R.string.noEmptyIn), Toast.LENGTH_SHORT);
+                    toast.show();
+                    return;
+                }
+                if(MampfMobil.createSupplier(name.getText().toString(),register.getText().toString())){
+
+                    Intent intent = new Intent(getActivity(), SupplierActivity.class);
+                    startActivity(intent);
+                }
+                else {
+                    if (toast != null) {
+                        toast.cancel(); // Vorhandene Toast-Nachricht abbrechen
+                    }
+                    toast = Toast.makeText(v.getContext(), getString(R.string.supplierFound), Toast.LENGTH_SHORT);
+                    toast.show();
+                }
+                // Wechsel zum anderen Fragment
+
+            }
+        });
+
+        return rootView;
+    }
+
+    
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        mViewModel = new ViewModelProvider(this).get(SupplierRegisterViewModel.class);
+        // TODO: Use the ViewModel
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierRegisterViewModel.java b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierRegisterViewModel.java
new file mode 100644
index 0000000000000000000000000000000000000000..e1c700847ab96ec3b0cf24e28af2a006e8654c96
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierRegisterViewModel.java
@@ -0,0 +1,7 @@
+package com.example.mampfmobil.ui.supplier;
+
+import androidx.lifecycle.ViewModel;
+
+public class SupplierRegisterViewModel extends ViewModel {
+    // TODO: Implement the ViewModel
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierStatisticsFragment.java b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierStatisticsFragment.java
new file mode 100644
index 0000000000000000000000000000000000000000..8ba53136b3710fcf5c11b88c0b0f77e691360394
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierStatisticsFragment.java
@@ -0,0 +1,89 @@
+package com.example.mampfmobil.ui.supplier;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.lifecycle.ViewModelProvider;
+
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import com.example.mampfmobil.R;
+import com.example.mampfmobil.ui.Classes.Bestellung;
+import com.example.mampfmobil.ui.Classes.BestellungsTeil;
+import com.example.mampfmobil.ui.Classes.Customer;
+import com.example.mampfmobil.ui.Classes.Recyclerviewadapter_Supplier_Orders;
+import com.example.mampfmobil.ui.Classes.Recyclerviewadapter_statistic;
+import com.example.mampfmobil.ui.MampfMobil;
+
+import java.util.Vector;
+
+public class SupplierStatisticsFragment extends Fragment {
+
+    private SupplierStatisticsViewModel mViewModel;
+    public Vector<Bestellung> bestellungen;
+    public static SupplierStatisticsFragment newInstance() {
+        return new SupplierStatisticsFragment();
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {
+        View rootView = inflater.inflate(R.layout.fragment_supplier_statistics, container, false);
+
+        RecyclerView recyclerView = rootView.findViewById(R.id.mySupplierOrdersRecycler);
+        TextView tvSalesVolume = rootView.findViewById(R.id.textViewSalesVolume);
+        TextView tvOrders = rootView.findViewById(R.id.textViewOrderAmount);
+        TextView tvItemsSold = rootView.findViewById(R.id.textViewItemsSold);
+
+        AppCompatActivity activity = (AppCompatActivity) requireActivity();
+
+
+        LinearLayoutManager layoutManager = new LinearLayoutManager(requireActivity());
+        recyclerView.setLayoutManager(layoutManager);
+        Recyclerviewadapter_statistic adapter = new Recyclerviewadapter_statistic(requireContext());
+        recyclerView.setAdapter(adapter);
+        adapter.notifyDataSetChanged();
+
+        bestellungen= new Vector<>();
+        for(Customer c: MampfMobil.customers){
+            for(Bestellung b:c.bestellungen){
+                if(b.supplier==MampfMobil.currentSupplier){
+                    bestellungen.add(b);
+                }
+            }
+        }
+
+        tvOrders.setText(String.valueOf(bestellungen.size()));
+        int temp = 0;
+        double temp2 = 0;
+        for(Bestellung b:bestellungen){
+            for(BestellungsTeil bT:b.bestellungsTeile){
+                temp += bT.quantity;
+                temp2 += bT.quantity * bT.item.price;
+            }
+        }
+        tvItemsSold.setText(String.valueOf(temp));
+        tvSalesVolume.setText(String.valueOf(temp2));
+
+
+        return rootView;
+    }
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        mViewModel = new ViewModelProvider(this).get(SupplierStatisticsViewModel.class);
+        // TODO: Use the ViewModel
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierStatisticsViewModel.java b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierStatisticsViewModel.java
new file mode 100644
index 0000000000000000000000000000000000000000..a3567b644e06e557f7d42684624e998f334f2e04
--- /dev/null
+++ b/app/src/main/java/com/example/mampfmobil/ui/supplier/SupplierStatisticsViewModel.java
@@ -0,0 +1,7 @@
+package com.example.mampfmobil.ui.supplier;
+
+import androidx.lifecycle.ViewModel;
+
+public class SupplierStatisticsViewModel extends ViewModel {
+    // TODO: Implement the ViewModel
+}
\ No newline at end of file
diff --git a/app/src/main/res/drawable/darkmode.png b/app/src/main/res/drawable/darkmode.png
new file mode 100644
index 0000000000000000000000000000000000000000..7e8436a0bd8ebb2007731c46e352e36c546e587a
Binary files /dev/null and b/app/src/main/res/drawable/darkmode.png differ
diff --git a/app/src/main/res/drawable/de_flagge.JPG b/app/src/main/res/drawable/de_flagge.JPG
new file mode 100644
index 0000000000000000000000000000000000000000..950a0911f2180a17cc8361085ec1b969ef00db1a
Binary files /dev/null and b/app/src/main/res/drawable/de_flagge.JPG differ
diff --git a/app/src/main/res/drawable/en_flagge.jpg b/app/src/main/res/drawable/en_flagge.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..b8ffd77155a5df8cf2b99eb03ed06ce58ab8f7d7
Binary files /dev/null and b/app/src/main/res/drawable/en_flagge.jpg differ
diff --git a/app/src/main/res/drawable/lightmode.png b/app/src/main/res/drawable/lightmode.png
new file mode 100644
index 0000000000000000000000000000000000000000..a810a1c35d5888c1a3fe734cc8f79c0986cc2b09
Binary files /dev/null and b/app/src/main/res/drawable/lightmode.png differ
diff --git a/app/src/main/res/drawable/mampfmobil_logo.png b/app/src/main/res/drawable/mampfmobil_logo.png
new file mode 100644
index 0000000000000000000000000000000000000000..5f39046a92a1d793d8f85ee9121e78d6f922d3f2
Binary files /dev/null and b/app/src/main/res/drawable/mampfmobil_logo.png differ
diff --git a/app/src/main/res/layout/activity_customer.xml b/app/src/main/res/layout/activity_customer.xml
new file mode 100644
index 0000000000000000000000000000000000000000..17b6001d09376249cc714650caf735ecabf2027f
--- /dev/null
+++ b/app/src/main/res/layout/activity_customer.xml
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    >
+
+    <com.google.android.material.bottomnavigation.BottomNavigationView
+        android:id="@+id/nav_view1"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="0dp"
+        android:layout_marginEnd="0dp"
+        android:background="?android:attr/windowBackground"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:menu="@menu/bottom_nav_menu_customer"/>
+
+    <fragment
+        android:id="@+id/nav_host_fragment_activity_customer"
+        android:name="androidx.navigation.fragment.NavHostFragment"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:defaultNavHost="true"
+        app:layout_constraintBottom_toTopOf="@id/nav_view1"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:navGraph="@navigation/mobile_navigation_cus"
+    />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_deliverer.xml b/app/src/main/res/layout/activity_deliverer.xml
new file mode 100644
index 0000000000000000000000000000000000000000..2045db1472ca05e7ed88e134cb274619bd6c460a
--- /dev/null
+++ b/app/src/main/res/layout/activity_deliverer.xml
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingTop="?attr/actionBarSize" >
+
+    <com.google.android.material.bottomnavigation.BottomNavigationView
+        android:id="@+id/nav_view3"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="0dp"
+        android:layout_marginEnd="0dp"
+        android:background="?android:attr/windowBackground"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:menu="@menu/bottom_nav_menu_deliverer"/>
+
+    <fragment
+        android:id="@+id/nav_host_fragment_activity_deliverer"
+        android:name="androidx.navigation.fragment.NavHostFragment"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:defaultNavHost="true"
+        app:layout_constraintBottom_toTopOf="@id/nav_view3"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:navGraph="@navigation/mobile_navigation_del"
+        />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 06ea6cae22113f243efe317f984f7742418737e8..bad97d63dc8bac143e499f7ff3a349305c72700f 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -3,8 +3,7 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/container"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:paddingTop="?attr/actionBarSize">
+    android:layout_height="match_parent">
 
     <com.google.android.material.bottomnavigation.BottomNavigationView
         android:id="@+id/nav_view"
diff --git a/app/src/main/res/layout/activity_supplier.xml b/app/src/main/res/layout/activity_supplier.xml
new file mode 100644
index 0000000000000000000000000000000000000000..ddacef9369981acbc1cff117403b19839895d229
--- /dev/null
+++ b/app/src/main/res/layout/activity_supplier.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <com.google.android.material.bottomnavigation.BottomNavigationView
+        android:id="@+id/nav_view2"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="0dp"
+        android:layout_marginEnd="0dp"
+        android:background="?android:attr/windowBackground"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:menu="@menu/bottom_nav_menu_supplier"/>
+
+    <fragment
+        android:id="@+id/nav_host_fragment_activity_supplier"
+        android:name="androidx.navigation.fragment.NavHostFragment"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:defaultNavHost="true"
+        app:layout_constraintBottom_toTopOf="@id/nav_view2"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:navGraph="@navigation/mobile_navigation_sup"
+        />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_customer_logon.xml b/app/src/main/res/layout/fragment_customer_logon.xml
new file mode 100644
index 0000000000000000000000000000000000000000..3b59fbcfd9a6748469096f42f307ecf558f9b41d
--- /dev/null
+++ b/app/src/main/res/layout/fragment_customer_logon.xml
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+xmlns:app="http://schemas.android.com/apk/res-auto"
+xmlns:tools="http://schemas.android.com/tools"
+android:layout_width="match_parent"
+android:layout_height="match_parent"
+tools:context=".ui.customer.CustomerLogonFragment">
+
+    <Button
+        android:id="@+id/buttonRegister4"
+        android:layout_width="141dp"
+        android:layout_height="52dp"
+        android:layout_marginEnd="20dp"
+        android:layout_marginBottom="20dp"
+        android:text="@string/register"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
+    <EditText
+    android:id="@+id/editTextFirstName"
+    android:layout_width="300dp"
+    android:layout_height="70dp"
+    android:hint="@string/first_name"
+    android:inputType="textPersonName"
+    app:layout_constraintBottom_toBottomOf="parent"
+    app:layout_constraintEnd_toEndOf="parent"
+    app:layout_constraintHorizontal_bias="0.495"
+    app:layout_constraintStart_toStartOf="parent"
+    app:layout_constraintTop_toTopOf="parent"
+    app:layout_constraintVertical_bias="0.193" />
+
+<EditText
+    android:id="@+id/editTextLastName"
+    android:layout_width="300dp"
+    android:layout_height="70dp"
+    android:hint="@string/last_name"
+    android:inputType="textPersonName"
+    app:layout_constraintBottom_toBottomOf="parent"
+    app:layout_constraintEnd_toEndOf="parent"
+    app:layout_constraintHorizontal_bias="0.504"
+    app:layout_constraintStart_toStartOf="parent"
+    app:layout_constraintTop_toBottomOf="@+id/editTextFirstName"
+    app:layout_constraintVertical_bias="0.118" />
+
+    <Button
+        android:id="@+id/buttonRegister"
+        android:layout_width="213dp"
+        android:layout_height="63dp"
+        android:text="@string/logon"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/editTextLastName"
+        app:layout_constraintVertical_bias="0.208" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_customer_orders.xml b/app/src/main/res/layout/fragment_customer_orders.xml
new file mode 100644
index 0000000000000000000000000000000000000000..ba7cc3cf29833e4a5104be0ae429fb7ab4012006
--- /dev/null
+++ b/app/src/main/res/layout/fragment_customer_orders.xml
@@ -0,0 +1,23 @@
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingBottom="?attr/actionBarSize"
+    tools:context=".ui.customer.CustomerOrdersFragment">
+
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/myOrdersRecycler"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.0">
+
+    </androidx.recyclerview.widget.RecyclerView>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_customer_register.xml b/app/src/main/res/layout/fragment_customer_register.xml
new file mode 100644
index 0000000000000000000000000000000000000000..ef1cc2efbde1c121e46e0c12f5c091530979bd7a
--- /dev/null
+++ b/app/src/main/res/layout/fragment_customer_register.xml
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.customer.CustomerRegisterFragment">
+
+    <EditText
+        android:id="@+id/editTextFirstName"
+        android:layout_width="300dp"
+        android:layout_height="70dp"
+        android:hint="@string/first_name"
+        android:inputType="textPersonName"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.495"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.193" />
+
+    <EditText
+        android:id="@+id/editTextLastName"
+        android:layout_width="300dp"
+        android:layout_height="70dp"
+        android:hint="@string/last_name"
+        android:inputType="textPersonName"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.504"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/editTextFirstName"
+        app:layout_constraintVertical_bias="0.118" />
+
+    <EditText
+        android:id="@+id/editTextAddress"
+        android:layout_width="300dp"
+        android:layout_height="70dp"
+        android:hint="@string/address"
+        android:inputType="textMultiLine"
+        app:layout_constraintBottom_toTopOf="@+id/buttonRegister"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.504"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/editTextLastName"
+        app:layout_constraintVertical_bias="0.371" />
+
+    <Button
+        android:id="@+id/buttonRegister"
+        android:layout_width="213dp"
+        android:layout_height="63dp"
+        android:text="@string/register"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.821" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_customer_shop.xml b/app/src/main/res/layout/fragment_customer_shop.xml
new file mode 100644
index 0000000000000000000000000000000000000000..16c7978d0c90752a23d4762c3d780cbfce45e718
--- /dev/null
+++ b/app/src/main/res/layout/fragment_customer_shop.xml
@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingBottom="?attr/actionBarSize"
+    tools:context=".ui.customer.CustomerShopFragment">
+
+
+    <EditText
+        android:id="@+id/editTextSearch"
+        android:layout_width="231dp"
+        android:layout_height="45dp"
+        android:layout_marginTop="8dp"
+        android:hint="@android:string/search_go"
+        android:inputType="textPersonName"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.207"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.0" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/myShopRecycler"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_marginTop="8dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/spinnerOptions"
+        app:layout_constraintVertical_bias="0.0">
+
+    </androidx.recyclerview.widget.RecyclerView>
+
+    <Button
+        android:id="@+id/searchButton"
+        android:layout_width="109dp"
+        android:layout_height="39dp"
+        android:layout_marginTop="4dp"
+        android:layout_marginEnd="4dp"
+        android:text="@android:string/search_go"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/editTextSearch"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <Spinner
+        android:id="@+id/spinnerOptions"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        app:layout_constraintEnd_toEndOf="@+id/searchButton"
+        app:layout_constraintTop_toBottomOf="@+id/searchButton" />
+
+    <TextView
+        android:id="@+id/textView19"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="2dp"
+        android:layout_marginEnd="16dp"
+        android:text="Sort By:"
+        android:textSize="16sp"
+        app:layout_constraintEnd_toStartOf="@+id/spinnerOptions"
+        app:layout_constraintTop_toTopOf="@+id/spinnerOptions" />
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_customer_shopping_cart.xml b/app/src/main/res/layout/fragment_customer_shopping_cart.xml
new file mode 100644
index 0000000000000000000000000000000000000000..e9dd5cd02af90aa81789e287a1badc73321750f3
--- /dev/null
+++ b/app/src/main/res/layout/fragment_customer_shopping_cart.xml
@@ -0,0 +1,102 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingBottom="?attr/actionBarSize"
+    tools:context=".ui.customer.CustomerShoppingCartFragment">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recyclerViewShoppingCart"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        tools:layout_editor_absoluteX="0dp"
+        tools:layout_editor_absoluteY="0dp" />
+
+    <Button
+        android:id="@+id/buttonBuyAll"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="24dp"
+        android:layout_marginBottom="24dp"
+        android:text="@string/buy"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
+    <TextView
+        android:id="@+id/textView2"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginBottom="44dp"
+        android:text="@string/address_dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <EditText
+        android:id="@+id/editTextAddress"
+        android:layout_width="203dp"
+        android:layout_height="57dp"
+        android:ems="10"
+        android:inputType="textMultiLine"
+        android:singleLine="false"
+        android:text="Weinbergstr 70, 55299 Nackenheim"
+        android:textSize="14sp"
+        app:layout_constraintStart_toEndOf="@+id/textView2"
+        app:layout_constraintTop_toTopOf="@+id/textView2" />
+
+    <TextView
+        android:id="@+id/textView3"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="8dp"
+        android:text="@string/delivery"
+        app:layout_constraintBottom_toTopOf="@+id/textView2"
+        app:layout_constraintStart_toStartOf="@+id/textView2" />
+
+    <TextView
+        android:id="@+id/textView4"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="12dp"
+        android:text="@string/storepickup"
+        app:layout_constraintBottom_toBottomOf="@+id/textView3"
+        app:layout_constraintStart_toEndOf="@+id/switchDelivery"
+        app:layout_constraintTop_toTopOf="@+id/textView3"
+        app:layout_constraintVertical_bias="0.0" />
+
+    <Switch
+        android:id="@+id/switchDelivery"
+        android:layout_width="51dp"
+        android:layout_height="18dp"
+        android:layout_marginStart="12dp"
+        app:layout_constraintBottom_toBottomOf="@+id/textView3"
+        app:layout_constraintStart_toEndOf="@+id/textView3"
+        app:layout_constraintTop_toTopOf="@+id/textView3"
+        app:layout_constraintVertical_bias="0.5"/>
+
+    <TextView
+        android:id="@+id/textView5"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:text="@string/price_dp"
+        app:layout_constraintBottom_toBottomOf="@+id/textView4"
+        app:layout_constraintStart_toEndOf="@+id/textView4"
+        app:layout_constraintTop_toTopOf="@+id/textView4"
+        app:layout_constraintVertical_bias="0.0" />
+
+    <TextView
+        android:id="@+id/textViewSumComplete"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:text="10"
+        app:layout_constraintBottom_toBottomOf="@+id/textView5"
+        app:layout_constraintStart_toEndOf="@+id/textView5"
+        app:layout_constraintTop_toTopOf="@+id/textView5"
+        app:layout_constraintVertical_bias="1.0" />
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_decide.xml b/app/src/main/res/layout/fragment_decide.xml
new file mode 100644
index 0000000000000000000000000000000000000000..8fda7891c84f99a87c2adad79054e3d376b2205f
--- /dev/null
+++ b/app/src/main/res/layout/fragment_decide.xml
@@ -0,0 +1,93 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.DecideFragment">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <Button
+            android:id="@+id/CustomerButton"
+            android:layout_width="200dp"
+            android:layout_height="70dp"
+            android:text="@string/title_customer"
+            app:layout_constraintBottom_toTopOf="@+id/SupplierButton"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.497"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintVertical_bias="0.914" />
+
+        <Button
+            android:id="@+id/SupplierButton"
+            android:layout_width="200dp"
+            android:layout_height="70dp"
+            android:text="@string/title_supplier"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.497"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintVertical_bias="0.44" />
+
+        <Button
+            android:id="@+id/DelivererButton"
+            android:layout_width="200dp"
+            android:layout_height="70dp"
+            android:text="@string/title_deliverer"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.498"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/SupplierButton"
+            app:layout_constraintVertical_bias="0.051" />
+
+        <ImageButton
+            android:id="@+id/imageView"
+            android:layout_width="100dp"
+            android:layout_height="60dp"
+            android:layout_marginTop="32dp"
+            android:layout_marginEnd="-80dp"
+            android:src="@drawable/de_flagge"
+            android:scaleType="fitCenter"
+            app:layout_constraintEnd_toStartOf="@+id/DelivererButton"
+            app:layout_constraintTop_toBottomOf="@+id/DelivererButton" />
+
+        <ImageButton
+            android:id="@+id/imageView2"
+            android:layout_width="100dp"
+            android:layout_height="60dp"
+            android:layout_marginStart="-80dp"
+            android:layout_marginTop="32dp"
+            android:src="@drawable/en_flagge"
+            android:scaleType="fitCenter"
+            app:layout_constraintStart_toEndOf="@+id/DelivererButton"
+            app:layout_constraintTop_toBottomOf="@+id/DelivererButton" />
+
+        <ImageButton
+            android:id="@+id/imageButton"
+            android:layout_width="87dp"
+            android:layout_height="83dp"
+            android:layout_marginTop="16dp"
+            android:layout_marginEnd="16dp"
+            android:scaleType="fitCenter"
+            android:src="@drawable/darkmode"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <ImageButton
+            android:id="@+id/imageButton2"
+            android:layout_width="87dp"
+            android:layout_height="83dp"
+            android:layout_marginTop="16dp"
+            android:scaleType="fitCenter"
+            android:src="@drawable/lightmode"
+            app:layout_constraintEnd_toStartOf="@+id/imageButton"
+            app:layout_constraintTop_toTopOf="parent" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</FrameLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_deliverer_active_orders.xml b/app/src/main/res/layout/fragment_deliverer_active_orders.xml
new file mode 100644
index 0000000000000000000000000000000000000000..156867a9a877cfa68e15d8818e7d8e5209fbaf48
--- /dev/null
+++ b/app/src/main/res/layout/fragment_deliverer_active_orders.xml
@@ -0,0 +1,24 @@
+
+    <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        xmlns:tools="http://schemas.android.com/tools"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:paddingBottom="?attr/actionBarSize"
+        tools:context=".ui.deliverer.DelivererActiveOrdersFragment">
+
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/mySupplierOrdersRecycler"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.0"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintVertical_bias="0.0">
+
+        </androidx.recyclerview.widget.RecyclerView>
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_deliverer_closed_orders.xml b/app/src/main/res/layout/fragment_deliverer_closed_orders.xml
new file mode 100644
index 0000000000000000000000000000000000000000..dc7f45249a417a74a72bf81915a13a0d3e48bdc7
--- /dev/null
+++ b/app/src/main/res/layout/fragment_deliverer_closed_orders.xml
@@ -0,0 +1,24 @@
+
+    <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        xmlns:tools="http://schemas.android.com/tools"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:paddingBottom="?attr/actionBarSize"
+        tools:context=".ui.deliverer.DelivererClosedOrdersFragment">
+
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/mySupplierOrdersRecycler"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.0"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintVertical_bias="0.0">
+
+        </androidx.recyclerview.widget.RecyclerView>
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_deliverer_logon.xml b/app/src/main/res/layout/fragment_deliverer_logon.xml
new file mode 100644
index 0000000000000000000000000000000000000000..2302d6e929fe274b4b3bfb938dfe784c01014f9e
--- /dev/null
+++ b/app/src/main/res/layout/fragment_deliverer_logon.xml
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?>
+    <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        xmlns:tools="http://schemas.android.com/tools"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        tools:context=".ui.deliverer.DelivererLogonFragment">
+
+        <Button
+            android:id="@+id/buttonRegister3"
+            android:layout_width="141dp"
+            android:layout_height="52dp"
+            android:layout_marginEnd="20dp"
+            android:layout_marginBottom="20dp"
+            android:text="@string/register"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent" />
+
+        <EditText
+            android:id="@+id/editTextFirstName"
+            android:layout_width="300dp"
+            android:layout_height="70dp"
+            android:hint="@string/first_name"
+            android:inputType="textPersonName"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.495"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintVertical_bias="0.193" />
+
+        <EditText
+            android:id="@+id/editTextLastName"
+            android:layout_width="300dp"
+            android:layout_height="70dp"
+            android:hint="@string/last_name"
+            android:inputType="textPersonName"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.504"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/editTextFirstName"
+            app:layout_constraintVertical_bias="0.118" />
+
+    <Button
+        android:id="@+id/buttonRegister"
+        android:layout_width="213dp"
+        android:layout_height="63dp"
+        android:text="@string/logon"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/editTextLastName"
+        app:layout_constraintVertical_bias="0.269" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_deliverer_open_orders.xml b/app/src/main/res/layout/fragment_deliverer_open_orders.xml
new file mode 100644
index 0000000000000000000000000000000000000000..6b9d1fa05ecb8873fa74fca175ea2008b61b174c
--- /dev/null
+++ b/app/src/main/res/layout/fragment_deliverer_open_orders.xml
@@ -0,0 +1,24 @@
+
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingBottom="?attr/actionBarSize"
+    tools:context=".ui.deliverer.DelivererOpenOrdersFragment">
+
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/mySupplierOrdersRecycler"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.0">
+
+    </androidx.recyclerview.widget.RecyclerView>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_deliverer_register.xml b/app/src/main/res/layout/fragment_deliverer_register.xml
new file mode 100644
index 0000000000000000000000000000000000000000..ba329baf1fb5c004afd5633f38a9c0d38f20ad26
--- /dev/null
+++ b/app/src/main/res/layout/fragment_deliverer_register.xml
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        xmlns:tools="http://schemas.android.com/tools"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        tools:context=".ui.deliverer.DelivererRegisterFragment">
+
+        <EditText
+            android:id="@+id/editTextFirstName"
+            android:layout_width="300dp"
+            android:layout_height="70dp"
+            android:hint="@string/first_name"
+            android:inputType="textPersonName"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.495"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintVertical_bias="0.193" />
+
+        <EditText
+            android:id="@+id/editTextLastName"
+            android:layout_width="300dp"
+            android:layout_height="70dp"
+            android:hint="@string/last_name"
+            android:inputType="textPersonName"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.504"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/editTextFirstName"
+            app:layout_constraintVertical_bias="0.118" />
+
+        <EditText
+            android:id="@+id/editTextAddress"
+            android:layout_width="300dp"
+            android:layout_height="70dp"
+            android:hint="@string/address"
+            android:inputType="textMultiLine"
+            app:layout_constraintBottom_toTopOf="@+id/buttonRegister"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.504"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/editTextLastName"
+            app:layout_constraintVertical_bias="0.371" />
+
+        <Button
+            android:id="@+id/buttonRegister"
+            android:layout_width="213dp"
+            android:layout_height="63dp"
+            android:text="@string/register"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintVertical_bias="0.821" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_supplier_add_item.xml b/app/src/main/res/layout/fragment_supplier_add_item.xml
new file mode 100644
index 0000000000000000000000000000000000000000..4eabf1f095bdcd4e62fccb0b03bba2fe85845221
--- /dev/null
+++ b/app/src/main/res/layout/fragment_supplier_add_item.xml
@@ -0,0 +1,85 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.supplier.SupplierAddItemFragment">
+
+    <EditText
+        android:id="@+id/editTextItemName"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="30dp"
+        android:ems="10"
+        android:inputType="text"
+        android:hint="Name"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView9" />
+
+    <EditText
+        android:id="@+id/editTextTextItemPrice"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="30dp"
+        android:ems="10"
+        android:inputType="numberDecimal"
+        android:hint="@string/price"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.497"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView12" />
+
+    <EditText
+        android:id="@+id/editTextItemAmount"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="30dp"
+        android:ems="10"
+        android:inputType="number"
+        android:hint="@string/amount"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView13" />
+
+    <TextView
+        android:id="@+id/textView9"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="64dp"
+        android:text="@string/itemname"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/textView12"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="60dp"
+        android:text="@string/price_dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/editTextItemName" />
+
+    <TextView
+        android:id="@+id/textView13"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="60dp"
+        android:text="@string/amount_dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/editTextTextItemPrice" />
+
+    <Button
+        android:id="@+id/buttonAddnewitem"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="50dp"
+        android:text="@string/add"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/editTextItemAmount" />
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_supplier_edit_item.xml b/app/src/main/res/layout/fragment_supplier_edit_item.xml
new file mode 100644
index 0000000000000000000000000000000000000000..ba428082db6b33a68257bc831a06d0b692b20961
--- /dev/null
+++ b/app/src/main/res/layout/fragment_supplier_edit_item.xml
@@ -0,0 +1,23 @@
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+xmlns:app="http://schemas.android.com/apk/res-auto"
+xmlns:tools="http://schemas.android.com/tools"
+android:layout_width="match_parent"
+android:layout_height="match_parent"
+android:paddingBottom="?attr/actionBarSize"
+tools:context=".ui.supplier.SupplierEditItemFragment">
+
+
+<androidx.recyclerview.widget.RecyclerView
+    android:id="@+id/myShopitemsRecycler"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    app:layout_constraintBottom_toBottomOf="parent"
+    app:layout_constraintEnd_toEndOf="parent"
+    app:layout_constraintHorizontal_bias="0.0"
+    app:layout_constraintStart_toStartOf="parent"
+    app:layout_constraintTop_toTopOf="parent"
+    app:layout_constraintVertical_bias="0.0">
+
+</androidx.recyclerview.widget.RecyclerView>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_supplier_logon.xml b/app/src/main/res/layout/fragment_supplier_logon.xml
new file mode 100644
index 0000000000000000000000000000000000000000..f72561c9ab3a1a91b39b2df71d365bfc10bcb8e6
--- /dev/null
+++ b/app/src/main/res/layout/fragment_supplier_logon.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.supplier.SupplierLogonFragment">
+
+    <Button
+        android:id="@+id/buttonRegister2"
+        android:layout_width="141dp"
+        android:layout_height="52dp"
+        android:layout_marginEnd="20dp"
+        android:layout_marginBottom="20dp"
+        android:text="@string/register"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
+    <EditText
+        android:id="@+id/editTextFirstName"
+        android:layout_width="300dp"
+        android:layout_height="70dp"
+        android:hint="@string/company_name"
+        android:inputType="textPersonName"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.495"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.301" />
+
+    <Button
+        android:id="@+id/buttonRegister"
+        android:layout_width="213dp"
+        android:layout_height="63dp"
+        android:text="@string/logon"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/editTextFirstName"
+        app:layout_constraintVertical_bias="0.326" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_supplier_orders.xml b/app/src/main/res/layout/fragment_supplier_orders.xml
new file mode 100644
index 0000000000000000000000000000000000000000..681772b37077878c8a854f3e70813916ece40402
--- /dev/null
+++ b/app/src/main/res/layout/fragment_supplier_orders.xml
@@ -0,0 +1,23 @@
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+xmlns:app="http://schemas.android.com/apk/res-auto"
+xmlns:tools="http://schemas.android.com/tools"
+android:layout_width="match_parent"
+android:layout_height="match_parent"
+android:paddingBottom="?attr/actionBarSize"
+tools:context=".ui.supplier.SupplierOrdersFragment">
+
+
+<androidx.recyclerview.widget.RecyclerView
+    android:id="@+id/mySupplierOrdersRecycler"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    app:layout_constraintBottom_toBottomOf="parent"
+    app:layout_constraintEnd_toEndOf="parent"
+    app:layout_constraintHorizontal_bias="0.0"
+    app:layout_constraintStart_toStartOf="parent"
+    app:layout_constraintTop_toTopOf="parent"
+    app:layout_constraintVertical_bias="0.0">
+
+</androidx.recyclerview.widget.RecyclerView>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_supplier_register.xml b/app/src/main/res/layout/fragment_supplier_register.xml
new file mode 100644
index 0000000000000000000000000000000000000000..0e6ec52619865087dee56d08a7929a2240044855
--- /dev/null
+++ b/app/src/main/res/layout/fragment_supplier_register.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+    <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        xmlns:tools="http://schemas.android.com/tools"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        tools:context=".ui.supplier.SupplierRegisterFragment">
+
+    <EditText
+        android:id="@+id/editTextFirstName"
+        android:layout_width="300dp"
+        android:layout_height="70dp"
+        android:hint="@string/company_name"
+        android:inputType="textPersonName"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.495"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.193" />
+
+    <EditText
+        android:id="@+id/editTextAddress"
+        android:layout_width="300dp"
+        android:layout_height="70dp"
+        android:hint="@string/address"
+        android:inputType="textMultiLine"
+        app:layout_constraintBottom_toTopOf="@+id/buttonRegister"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.495"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/editTextFirstName"
+        app:layout_constraintVertical_bias="0.302" />
+
+    <Button
+        android:id="@+id/buttonRegister"
+        android:layout_width="213dp"
+        android:layout_height="63dp"
+        android:text="@string/register"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.594" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_supplier_statistics.xml b/app/src/main/res/layout/fragment_supplier_statistics.xml
new file mode 100644
index 0000000000000000000000000000000000000000..17bc1aa104d9f9930df5e6789d6681cf3e2c3bdf
--- /dev/null
+++ b/app/src/main/res/layout/fragment_supplier_statistics.xml
@@ -0,0 +1,84 @@
+ <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        xmlns:tools="http://schemas.android.com/tools"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:paddingBottom="?attr/actionBarSize"
+        tools:context=".ui.supplier.SupplierStatisticsFragment">
+
+
+      <androidx.recyclerview.widget.RecyclerView
+          android:id="@+id/mySupplierOrdersRecycler"
+          android:layout_width="match_parent"
+          android:layout_height="match_parent"
+          android:layout_marginTop="70dp"
+          app:layout_constraintBottom_toBottomOf="parent"
+          app:layout_constraintEnd_toEndOf="parent"
+          app:layout_constraintHorizontal_bias="0.0"
+          app:layout_constraintStart_toStartOf="parent"
+          app:layout_constraintTop_toTopOf="parent"
+          app:layout_constraintVertical_bias="0.0">
+
+      </androidx.recyclerview.widget.RecyclerView>
+
+     <TextView
+         android:id="@+id/textViewIS"
+         android:layout_width="wrap_content"
+         android:layout_height="wrap_content"
+         android:layout_marginStart="16dp"
+         android:layout_marginTop="8dp"
+         android:text="@string/items_sold_dp"
+         app:layout_constraintStart_toStartOf="parent"
+         app:layout_constraintTop_toBottomOf="@+id/textViewSV" />
+
+     <TextView
+         android:id="@+id/textViewSV"
+         android:layout_width="wrap_content"
+         android:layout_height="wrap_content"
+         android:layout_marginStart="16dp"
+         android:layout_marginTop="16dp"
+         android:text="@string/sales_volume_dp"
+         app:layout_constraintStart_toStartOf="parent"
+         app:layout_constraintTop_toTopOf="parent" />
+
+     <TextView
+         android:id="@+id/textViewSalesVolume"
+         android:layout_width="wrap_content"
+         android:layout_height="wrap_content"
+         android:layout_marginStart="8dp"
+         android:layout_marginTop="16dp"
+         android:text="TextView"
+         app:layout_constraintStart_toEndOf="@+id/textViewSV"
+         app:layout_constraintTop_toTopOf="parent" />
+
+     <TextView
+         android:id="@+id/textViewItemsSold"
+         android:layout_width="wrap_content"
+         android:layout_height="wrap_content"
+         android:layout_marginStart="8dp"
+         android:layout_marginTop="8dp"
+         android:text="TextView"
+         app:layout_constraintStart_toEndOf="@+id/textViewIS"
+         app:layout_constraintTop_toBottomOf="@+id/textViewSalesVolume" />
+
+      <TextView
+          android:id="@+id/textView18"
+          android:layout_width="wrap_content"
+          android:layout_height="wrap_content"
+          android:layout_marginStart="8dp"
+          android:layout_marginTop="16dp"
+          android:text="@string/orders_dp"
+          app:layout_constraintStart_toEndOf="@+id/textViewSalesVolume"
+          app:layout_constraintTop_toTopOf="parent" />
+
+      <TextView
+          android:id="@+id/textViewOrderAmount"
+          android:layout_width="wrap_content"
+          android:layout_height="wrap_content"
+          android:layout_marginStart="8dp"
+          android:layout_marginTop="16dp"
+          android:text="TextView"
+          app:layout_constraintStart_toEndOf="@+id/textView18"
+          app:layout_constraintTop_toTopOf="parent" />
+
+ </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/recyclerview_deliverer_orderrow.xml b/app/src/main/res/layout/recyclerview_deliverer_orderrow.xml
new file mode 100644
index 0000000000000000000000000000000000000000..36b652a4ad608ed23a246b1ea93b6a2f98b3c834
--- /dev/null
+++ b/app/src/main/res/layout/recyclerview_deliverer_orderrow.xml
@@ -0,0 +1,103 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <androidx.cardview.widget.CardView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="5dp"
+        android:layout_marginTop="5dp"
+        android:layout_marginStart="5dp"
+        android:layout_marginEnd="5dp"
+        app:cardBackgroundColor="?attr/boxColor"
+        app:cardCornerRadius="20dp"
+        app:cardElevation="5dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" >
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <TextView
+                android:id="@+id/textViewID"
+                android:layout_width="107dp"
+                android:layout_height="27dp"
+                android:layout_marginStart="10dp"
+                android:text="1"
+                android:textSize="20sp"
+                android:textStyle="bold"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textView7"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/state_dp"
+                app:layout_constraintStart_toStartOf="@+id/textViewID"
+                app:layout_constraintTop_toBottomOf="@+id/buttonReady" />
+
+            <TextView
+                android:id="@+id/textViewState"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="8dp"
+                android:text="Der aktuelle Status oder so"
+                android:textStyle="bold"
+                app:layout_constraintStart_toEndOf="@+id/textView7"
+                app:layout_constraintTop_toBottomOf="@+id/buttonReady" />
+
+            <Button
+                android:id="@+id/buttonReady"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:text="@string/ready"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textView14"
+                android:layout_width="180dp"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="8dp"
+                android:text="Gumkmistraße 10"
+                app:layout_constraintStart_toEndOf="@+id/textView15"
+                app:layout_constraintTop_toBottomOf="@+id/textViewState" />
+
+            <TextView
+                android:id="@+id/textView15"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/supplieraddress_dp"
+                app:layout_constraintStart_toStartOf="@+id/textView7"
+                app:layout_constraintTop_toBottomOf="@+id/textView7" />
+
+            <TextView
+                android:id="@+id/textView16"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/costumerAddress"
+                app:layout_constraintStart_toStartOf="@+id/textView15"
+                app:layout_constraintTop_toBottomOf="@+id/textView14" />
+
+            <TextView
+                android:id="@+id/textView17"
+                android:layout_width="180dp"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="8dp"
+                android:text="Adresse baum ioch komme"
+                app:layout_constraintStart_toEndOf="@+id/textView16"
+                app:layout_constraintTop_toBottomOf="@+id/textView14" />
+
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+    </androidx.cardview.widget.CardView>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/recyclerview_edititemrow.xml b/app/src/main/res/layout/recyclerview_edititemrow.xml
new file mode 100644
index 0000000000000000000000000000000000000000..12a8112eea58d98d0e83a18e87c2fa5ceb3769ef
--- /dev/null
+++ b/app/src/main/res/layout/recyclerview_edititemrow.xml
@@ -0,0 +1,107 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <androidx.cardview.widget.CardView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="5dp"
+        android:layout_marginTop="5dp"
+        android:layout_marginStart="5dp"
+        android:layout_marginEnd="5dp"
+        app:cardBackgroundColor="?attr/boxColor"
+        app:cardCornerRadius="20dp"
+        app:cardElevation="5dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" >
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <TextView
+                android:id="@+id/textViewName"
+                android:layout_width="155dp"
+                android:layout_height="34dp"
+                android:layout_marginStart="10dp"
+                android:text="Name"
+                android:textSize="20sp"
+                android:textStyle="bold"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textViewAmountNumber"
+                android:layout_width="wrap_content"
+                android:layout_height="25dp"
+                app:layout_constraintStart_toEndOf="@+id/textViewAmount"
+                app:layout_constraintTop_toTopOf="@+id/textViewAmount" />
+
+            <TextView
+                android:id="@+id/textViewAmount"
+                android:layout_width="wrap_content"
+                android:layout_height="25dp"
+                android:text="@string/restamount_dp"
+                app:layout_constraintStart_toEndOf="@+id/editTextPrice"
+                app:layout_constraintTop_toTopOf="@+id/textView8" />
+
+            <Button
+                android:id="@+id/buttonEdit"
+                android:layout_width="93dp"
+                android:layout_height="41dp"
+                android:layout_marginEnd="16dp"
+                android:text="@string/edit"
+                android:textSize="14sp"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toStartOf="@+id/deleteButton2"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textView8"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/price_dp"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintStart_toStartOf="@+id/textViewName"
+                app:layout_constraintTop_toBottomOf="@+id/textViewName" />
+
+            <EditText
+                android:id="@+id/editTextPrice"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:inputType="number"
+                android:text="1"
+                android:textSize="16sp"
+                app:layout_constraintStart_toEndOf="@+id/textView8"
+                app:layout_constraintTop_toBottomOf="@+id/textViewName" />
+
+            <EditText
+                android:id="@+id/editTextAmount"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:inputType="number"
+                android:text="1"
+                android:textSize="16sp"
+                app:layout_constraintStart_toEndOf="@+id/textViewAmount"
+                app:layout_constraintTop_toTopOf="@+id/editTextPrice" />
+
+            <ImageButton
+                android:id="@+id/deleteButton2"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="16dp"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                app:srcCompat="@android:drawable/ic_menu_delete" />
+
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+    </androidx.cardview.widget.CardView>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/recyclerview_orders_partrows.xml b/app/src/main/res/layout/recyclerview_orders_partrows.xml
new file mode 100644
index 0000000000000000000000000000000000000000..51d8bd5be7a5e7dba6002fcbcbdeac37af1e9704
--- /dev/null
+++ b/app/src/main/res/layout/recyclerview_orders_partrows.xml
@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <androidx.cardview.widget.CardView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="5dp"
+        android:layout_marginTop="5dp"
+        android:layout_marginStart="5dp"
+        android:layout_marginEnd="5dp"
+
+        app:cardCornerRadius="20dp"
+        app:cardElevation="5dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" >
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <TextView
+                android:id="@+id/textViewName"
+                android:layout_width="80dp"
+                android:layout_height="19dp"
+                android:layout_marginStart="10dp"
+                android:textSize="14sp"
+                android:textStyle="bold"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textViewBuyAmount"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="8dp"
+                android:text="@string/buyamount_dp"
+                app:layout_constraintStart_toEndOf="@+id/textViewName"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textView6"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="8dp"
+                android:text="@string/price_dp"
+                app:layout_constraintStart_toEndOf="@+id/textView"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textViewPrice"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="8dp"
+                android:text="10"
+                app:layout_constraintStart_toEndOf="@+id/textView6"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textView10"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="16dp"
+                android:text="@string/sum_dp"
+                app:layout_constraintStart_toEndOf="@+id/textViewPrice"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textViewSum"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="8dp"
+                android:text="14.5"
+                app:layout_constraintStart_toEndOf="@+id/textView10"
+                app:layout_constraintTop_toTopOf="@+id/textView10" />
+
+            <TextView
+                android:id="@+id/textView"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="8dp"
+                android:text="12"
+                app:layout_constraintStart_toEndOf="@+id/textViewBuyAmount"
+                app:layout_constraintTop_toTopOf="parent" />
+
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+    </androidx.cardview.widget.CardView>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/recyclerview_ordersrow.xml b/app/src/main/res/layout/recyclerview_ordersrow.xml
new file mode 100644
index 0000000000000000000000000000000000000000..6c4a6ca25c5afb1ad0793d247784f796c9470e33
--- /dev/null
+++ b/app/src/main/res/layout/recyclerview_ordersrow.xml
@@ -0,0 +1,112 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <androidx.cardview.widget.CardView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="5dp"
+        android:layout_marginTop="5dp"
+        android:layout_marginStart="5dp"
+        android:layout_marginEnd="5dp"
+        app:cardBackgroundColor="?attr/boxColor"
+        app:cardCornerRadius="20dp"
+        app:cardElevation="5dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" >
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <TextView
+                android:id="@+id/textViewID"
+                android:layout_width="107dp"
+                android:layout_height="27dp"
+                android:layout_marginStart="10dp"
+                android:text="1"
+                android:textSize="20sp"
+                android:textStyle="bold"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textViewSupplier"
+                android:layout_width="wrap_content"
+                android:layout_height="25dp"
+                android:text="@string/supplier_dp"
+                app:layout_constraintStart_toEndOf="@+id/textViewID"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textViewSupplierName"
+                android:layout_width="wrap_content"
+                android:layout_height="25dp"
+                android:layout_marginStart="8dp"
+                android:text="Rewe"
+                app:layout_constraintStart_toEndOf="@+id/textViewSupplier"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textViewDelivery"
+                android:layout_width="wrap_content"
+                android:layout_height="25dp"
+                android:layout_marginStart="8dp"
+                android:text="delivery/pickup"
+                app:layout_constraintStart_toEndOf="@+id/textViewSupplierName"
+                app:layout_constraintTop_toTopOf="@+id/textViewSupplierName" />
+
+            <androidx.recyclerview.widget.RecyclerView
+                android:id="@+id/recyclerViewOrders"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                app:layout_constraintTop_toBottomOf="@+id/textView7" />
+
+            <TextView
+                android:id="@+id/textView7"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/state_dp"
+                app:layout_constraintStart_toStartOf="@+id/textViewID"
+                app:layout_constraintTop_toBottomOf="@+id/textViewID" />
+
+            <TextView
+                android:id="@+id/textViewState"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="8dp"
+                android:text="Der aktuelle Status oder so"
+                android:textStyle="bold"
+                app:layout_constraintStart_toEndOf="@+id/textView7"
+                app:layout_constraintTop_toBottomOf="@+id/textViewID" />
+
+            <TextView
+                android:id="@+id/textViewTotalCost"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="16dp"
+                android:text="13"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/recyclerViewOrders"
+                app:layout_constraintVertical_bias="0.0" />
+
+            <TextView
+                android:id="@+id/textView11"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="24dp"
+                android:text="@string/total"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toStartOf="@+id/textViewTotalCost" />
+
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+    </androidx.cardview.widget.CardView>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/recyclerview_shoppingcartrow.xml b/app/src/main/res/layout/recyclerview_shoppingcartrow.xml
new file mode 100644
index 0000000000000000000000000000000000000000..8db922711e47b3555b1e1d34dbf869c964686b8e
--- /dev/null
+++ b/app/src/main/res/layout/recyclerview_shoppingcartrow.xml
@@ -0,0 +1,135 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <androidx.cardview.widget.CardView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="5dp"
+        android:layout_marginTop="5dp"
+        android:layout_marginStart="5dp"
+        android:layout_marginEnd="5dp"
+        app:cardBackgroundColor="?attr/boxColor"
+        app:cardCornerRadius="20dp"
+        app:cardElevation="5dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" >
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <TextView
+                android:id="@+id/textViewName"
+                android:layout_width="157dp"
+                android:layout_height="58dp"
+                android:layout_marginStart="10dp"
+                android:textSize="20sp"
+                android:textStyle="bold"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textViewAmountNumber"
+                android:layout_width="wrap_content"
+                android:layout_height="25dp"
+                android:text="10"
+                app:layout_constraintStart_toEndOf="@+id/textViewAmount"
+                app:layout_constraintTop_toTopOf="@+id/textViewAmount" />
+
+            <TextView
+                android:id="@+id/textViewAmount"
+                android:layout_width="wrap_content"
+                android:layout_height="25dp"
+                android:text="@string/restamount_dp"
+                app:layout_constraintStart_toEndOf="@+id/textViewName"
+                app:layout_constraintTop_toBottomOf="@+id/textViewSupplier" />
+
+            <TextView
+                android:id="@+id/textViewSupplier"
+                android:layout_width="wrap_content"
+                android:layout_height="25dp"
+                android:text="@string/supplier_dp"
+                app:layout_constraintStart_toEndOf="@+id/textViewName"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <EditText
+                android:id="@+id/editText"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:inputType="number"
+                android:text="1"
+                android:textSize="14sp"
+                app:layout_constraintBottom_toBottomOf="@+id/textViewBuyAmount"
+                app:layout_constraintStart_toEndOf="@+id/textViewBuyAmount"
+                app:layout_constraintTop_toTopOf="@+id/textViewBuyAmount" />
+
+            <TextView
+                android:id="@+id/textViewSupplierName"
+                android:layout_width="wrap_content"
+                android:layout_height="25dp"
+                android:text="Rewe"
+                app:layout_constraintStart_toEndOf="@+id/textViewSupplier"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textViewBuyAmount"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/buyamount_dp"
+                app:layout_constraintStart_toEndOf="@+id/textViewName"
+                app:layout_constraintTop_toBottomOf="@+id/textViewAmount" />
+
+            <ImageButton
+                android:id="@+id/deleteButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="28dp"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintVertical_bias="0.13999999"
+                app:srcCompat="@android:drawable/ic_menu_delete" />
+
+            <TextView
+                android:id="@+id/textView6"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/price_dp"
+                app:layout_constraintStart_toStartOf="@+id/textViewName"
+                app:layout_constraintTop_toBottomOf="@+id/textViewName" />
+
+            <TextView
+                android:id="@+id/textViewPrice"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="10"
+                app:layout_constraintStart_toEndOf="@+id/textView6"
+                app:layout_constraintTop_toBottomOf="@+id/textViewName" />
+
+            <TextView
+                android:id="@+id/textView10"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/sum_dp"
+                app:layout_constraintStart_toEndOf="@+id/editText"
+                app:layout_constraintTop_toBottomOf="@+id/textViewAmount" />
+
+            <TextView
+                android:id="@+id/textViewSum"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="14.5"
+                app:layout_constraintStart_toEndOf="@+id/textView10"
+                app:layout_constraintTop_toTopOf="@+id/textView10" />
+
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+    </androidx.cardview.widget.CardView>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/recyclerview_shoprow.xml b/app/src/main/res/layout/recyclerview_shoprow.xml
new file mode 100644
index 0000000000000000000000000000000000000000..a2421acb02d7c8432396de8a4e8d56154575cf89
--- /dev/null
+++ b/app/src/main/res/layout/recyclerview_shoprow.xml
@@ -0,0 +1,132 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <androidx.cardview.widget.CardView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="5dp"
+        android:layout_marginTop="5dp"
+        android:layout_marginStart="5dp"
+        android:layout_marginEnd="5dp"
+        app:cardBackgroundColor="?attr/boxColor"
+        app:cardCornerRadius="20dp"
+        app:cardElevation="5dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" >
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <TextView
+                android:id="@+id/textViewName"
+                android:layout_width="157dp"
+                android:layout_height="58dp"
+                android:layout_marginStart="10dp"
+                android:textSize="20sp"
+                android:textStyle="bold"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textViewAmountNumber"
+                android:layout_width="wrap_content"
+                android:layout_height="25dp"
+                android:layout_marginStart="8dp"
+                app:layout_constraintStart_toEndOf="@+id/textViewAmount"
+                app:layout_constraintTop_toTopOf="@+id/textViewAmount" />
+
+            <TextView
+                android:id="@+id/textViewAmount"
+                android:layout_width="wrap_content"
+                android:layout_height="25dp"
+                android:text="@string/restamount_dp"
+                app:layout_constraintStart_toEndOf="@+id/textViewName"
+                app:layout_constraintTop_toBottomOf="@+id/textViewSupplier" />
+
+            <TextView
+                android:id="@+id/textViewSupplier"
+                android:layout_width="wrap_content"
+                android:layout_height="25dp"
+                android:text="@string/supplier_dp"
+                app:layout_constraintStart_toEndOf="@+id/textViewName"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <CheckBox
+                android:id="@+id/checkBox1"
+                style="?android:attr/starStyle"
+                android:layout_width="33dp"
+                android:layout_height="28dp"
+                android:visibility="visible"
+                app:layout_constraintBottom_toTopOf="@+id/buttonBuy"
+                app:layout_constraintEnd_toEndOf="@+id/buttonBuy"
+                app:layout_constraintHorizontal_bias="0.533"
+                app:layout_constraintStart_toStartOf="@+id/buttonBuy"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintVertical_bias="0.5" />
+
+            <EditText
+                android:id="@+id/editText"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:inputType="number"
+                android:text="1"
+                android:textSize="14sp"
+                app:layout_constraintBottom_toBottomOf="@+id/textViewBuyAmount"
+                app:layout_constraintStart_toEndOf="@+id/textViewBuyAmount"
+                app:layout_constraintTop_toTopOf="@+id/textViewBuyAmount" />
+
+            <TextView
+                android:id="@+id/textViewSupplierName"
+                android:layout_width="wrap_content"
+                android:layout_height="25dp"
+                android:layout_marginStart="8dp"
+                android:text="Rewe"
+                app:layout_constraintStart_toEndOf="@+id/textViewSupplier"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textViewBuyAmount"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/buyamount_dp"
+                app:layout_constraintStart_toEndOf="@+id/textViewName"
+                app:layout_constraintTop_toBottomOf="@+id/textViewAmount" />
+
+            <Button
+                android:id="@+id/buttonBuy"
+                android:layout_width="93dp"
+                android:layout_height="41dp"
+                android:layout_marginEnd="5dp"
+                android:text="@string/add"
+                android:textSize="8sp"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent" />
+
+            <TextView
+                android:id="@+id/textView8"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/price_dp"
+                app:layout_constraintStart_toStartOf="@+id/textViewName"
+                app:layout_constraintTop_toBottomOf="@+id/textViewName" />
+
+            <TextView
+                android:id="@+id/textViewPrice"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="10"
+                app:layout_constraintStart_toEndOf="@+id/textView8"
+                app:layout_constraintTop_toBottomOf="@+id/textViewName" />
+
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+    </androidx.cardview.widget.CardView>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/recyclerview_statisticrow.xml b/app/src/main/res/layout/recyclerview_statisticrow.xml
new file mode 100644
index 0000000000000000000000000000000000000000..d23deaddaa6d21c8711d63b6f83f006b7def6cd6
--- /dev/null
+++ b/app/src/main/res/layout/recyclerview_statisticrow.xml
@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <androidx.cardview.widget.CardView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="5dp"
+        android:layout_marginTop="5dp"
+        android:layout_marginStart="5dp"
+        android:layout_marginEnd="5dp"
+
+        app:cardCornerRadius="20dp"
+        app:cardElevation="5dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" >
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <TextView
+                android:id="@+id/textViewName"
+                android:layout_width="105dp"
+                android:layout_height="19dp"
+                android:layout_marginStart="10dp"
+                android:textSize="14sp"
+                android:textStyle="bold"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textViewBuyAmount"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="8dp"
+                android:text="@string/sold_units_dp"
+                app:layout_constraintStart_toEndOf="@+id/textViewName"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textView6"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="8dp"
+                android:text="@string/price_dp"
+                app:layout_constraintStart_toEndOf="@+id/textViewSoldUnits"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textViewPrice"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="8dp"
+                android:text="10"
+                app:layout_constraintStart_toEndOf="@+id/textView6"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textView10"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="16dp"
+                android:text="@string/sum_dp"
+                app:layout_constraintStart_toEndOf="@+id/textViewPrice"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textViewSum"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="8dp"
+                android:text="14.5"
+                app:layout_constraintStart_toEndOf="@+id/textView10"
+                app:layout_constraintTop_toTopOf="@+id/textView10" />
+
+            <TextView
+                android:id="@+id/textViewSoldUnits"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="8dp"
+                android:text="12"
+                app:layout_constraintStart_toEndOf="@+id/textViewBuyAmount"
+                app:layout_constraintTop_toTopOf="parent" />
+
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+    </androidx.cardview.widget.CardView>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/recyclerview_supplierordersrow.xml b/app/src/main/res/layout/recyclerview_supplierordersrow.xml
new file mode 100644
index 0000000000000000000000000000000000000000..f5d077ee9116fea3bf3c7307346241bee631dcda
--- /dev/null
+++ b/app/src/main/res/layout/recyclerview_supplierordersrow.xml
@@ -0,0 +1,103 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <androidx.cardview.widget.CardView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="5dp"
+        android:layout_marginTop="5dp"
+        android:layout_marginStart="5dp"
+        android:layout_marginEnd="5dp"
+        app:cardBackgroundColor="?attr/boxColor"
+        app:cardCornerRadius="20dp"
+        app:cardElevation="5dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" >
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <TextView
+                android:id="@+id/textViewID"
+                android:layout_width="107dp"
+                android:layout_height="27dp"
+                android:layout_marginStart="10dp"
+                android:text="1"
+                android:textSize="20sp"
+                android:textStyle="bold"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/textViewDelivery"
+                android:layout_width="wrap_content"
+                android:layout_height="25dp"
+                android:layout_marginStart="16dp"
+                android:text="delivery/pickup"
+                app:layout_constraintStart_toEndOf="@+id/textViewID" />
+
+            <androidx.recyclerview.widget.RecyclerView
+                android:id="@+id/recyclerViewOrders"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                app:layout_constraintTop_toBottomOf="@+id/textView7" />
+
+            <TextView
+                android:id="@+id/textView7"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/state_dp"
+                app:layout_constraintStart_toStartOf="@+id/textViewID"
+                app:layout_constraintTop_toBottomOf="@+id/textViewID" />
+
+            <TextView
+                android:id="@+id/textViewState"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="8dp"
+                android:text="Der aktuelle Status oder so"
+                android:textStyle="bold"
+                app:layout_constraintStart_toEndOf="@+id/textView7"
+                app:layout_constraintTop_toBottomOf="@+id/textViewID" />
+
+            <TextView
+                android:id="@+id/textViewTotalCost"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="16dp"
+                android:text="13"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/recyclerViewOrders"
+                app:layout_constraintVertical_bias="0.0" />
+
+            <TextView
+                android:id="@+id/textView11"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="24dp"
+                android:text="@string/total"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toStartOf="@+id/textViewTotalCost" />
+
+            <Button
+                android:id="@+id/buttonReady"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:text="@string/ready"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+    </androidx.cardview.widget.CardView>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/menu/bottom_nav_menu_customer.xml b/app/src/main/res/menu/bottom_nav_menu_customer.xml
new file mode 100644
index 0000000000000000000000000000000000000000..a8cd9f925d3a2c5506849638746a555aac233bee
--- /dev/null
+++ b/app/src/main/res/menu/bottom_nav_menu_customer.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item
+        android:id="@+id/navigation_shop"
+        android:title="@string/shop" />
+
+    <item
+        android:id="@+id/navigation_shopping_cart"
+        android:title="@string/shopping_cart" />
+
+    <item
+        android:id="@+id/navigation_orders"
+        android:title="@string/orders" />
+
+</menu>
\ No newline at end of file
diff --git a/app/src/main/res/menu/bottom_nav_menu_deliverer.xml b/app/src/main/res/menu/bottom_nav_menu_deliverer.xml
new file mode 100644
index 0000000000000000000000000000000000000000..a251b65ebecf1f1f3780146d1cd66ff582cb8c9b
--- /dev/null
+++ b/app/src/main/res/menu/bottom_nav_menu_deliverer.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item
+        android:id="@+id/navigation_open_orders"
+        android:title="@string/open_orders" />
+
+    <item
+        android:id="@+id/navigation_actice_orders"
+        android:title="@string/active_orders" />
+
+    <item
+        android:id="@+id/navigation_closed_orders"
+        android:title="@string/closed_orders" />
+
+</menu>
\ No newline at end of file
diff --git a/app/src/main/res/menu/bottom_nav_menu_supplier.xml b/app/src/main/res/menu/bottom_nav_menu_supplier.xml
new file mode 100644
index 0000000000000000000000000000000000000000..0a59a2d47164515b9a293261c97ecfd173fd139b
--- /dev/null
+++ b/app/src/main/res/menu/bottom_nav_menu_supplier.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item
+        android:id="@+id/navigation_add_item"
+        android:title="@string/add_Item" />
+
+    <item
+        android:id="@+id/navigation_edit_item"
+        android:title="@string/edit_Item" />
+
+    <item
+        android:id="@+id/navigation_statistics"
+        android:title="@string/statistics" />
+    <item
+        android:id="@+id/navigation_ordersSupplier"
+        android:title="@string/orders" />
+
+</menu>
\ No newline at end of file
diff --git a/app/src/main/res/navigation/mobile_navigation.xml b/app/src/main/res/navigation/mobile_navigation.xml
index 907b3632f2a1890dafc14505c679468340b68611..63cff446ad7b2ad5f1800cfd0559d8aacc761237 100644
--- a/app/src/main/res/navigation/mobile_navigation.xml
+++ b/app/src/main/res/navigation/mobile_navigation.xml
@@ -3,7 +3,7 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/mobile_navigation"
-    app:startDestination="@+id/navigation_home">
+    app:startDestination="@id/decideFragment">
 
     <fragment
         android:id="@+id/navigation_home"
@@ -22,4 +22,9 @@
         android:name="com.example.mampfmobil.ui.notifications.NotificationsFragment"
         android:label="@string/title_notifications"
         tools:layout="@layout/fragment_notifications" />
+    <fragment
+        android:id="@+id/decideFragment"
+        android:name="com.example.mampfmobil.ui.DecideFragment"
+        android:label="fragment_decide"
+        tools:layout="@layout/fragment_decide" />
 </navigation>
\ No newline at end of file
diff --git a/app/src/main/res/navigation/mobile_navigation_cus.xml b/app/src/main/res/navigation/mobile_navigation_cus.xml
new file mode 100644
index 0000000000000000000000000000000000000000..51c3fe1707e21ea2218c102f1922f6f11e2b277b
--- /dev/null
+++ b/app/src/main/res/navigation/mobile_navigation_cus.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<navigation xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/mobile_navigation_cus"
+    app:startDestination="@+id/navigation_shop"
+    app:defaultNavHost="true">
+
+    <fragment
+        android:id="@+id/navigation_shop"
+        android:name="com.example.mampfmobil.ui.customer.CustomerShopFragment"
+        android:label="@string/shop"
+        tools:layout="@layout/fragment_customer_shop" />
+
+    <fragment
+        android:id="@+id/navigation_shopping_cart"
+        android:name="com.example.mampfmobil.ui.customer.CustomerShoppingCartFragment"
+        android:label="@string/shopping_cart"
+        tools:layout="@layout/fragment_customer_shopping_cart" />
+
+    <fragment
+        android:id="@+id/navigation_orders"
+        android:name="com.example.mampfmobil.ui.customer.CustomerOrdersFragment"
+        android:label="@string/orders"
+        tools:layout="@layout/fragment_customer_orders" />
+</navigation>
\ No newline at end of file
diff --git a/app/src/main/res/navigation/mobile_navigation_del.xml b/app/src/main/res/navigation/mobile_navigation_del.xml
new file mode 100644
index 0000000000000000000000000000000000000000..18692b6b965e2743742e3091b8ab7fe64e81cc20
--- /dev/null
+++ b/app/src/main/res/navigation/mobile_navigation_del.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<navigation xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/mobile_navigation_del"
+    app:startDestination="@+id/navigation_open_orders"
+    app:defaultNavHost="true">
+
+    <fragment
+        android:id="@+id/navigation_open_orders"
+        android:name="com.example.mampfmobil.ui.deliverer.DelivererOpenOrdersFragment"
+        android:label="@string/open_orders"
+        tools:layout="@layout/fragment_deliverer_open_orders" />
+
+    <fragment
+        android:id="@+id/navigation_actice_orders"
+        android:name="com.example.mampfmobil.ui.deliverer.DelivererActiveOrdersFragment"
+        android:label="@string/active_orders"
+        tools:layout="@layout/fragment_deliverer_active_orders" />
+
+    <fragment
+        android:id="@+id/navigation_closed_orders"
+        android:name="com.example.mampfmobil.ui.deliverer.DelivererClosedOrdersFragment"
+        android:label="@string/closed_orders"
+        tools:layout="@layout/fragment_deliverer_closed_orders" />
+</navigation>
\ No newline at end of file
diff --git a/app/src/main/res/navigation/mobile_navigation_sup.xml b/app/src/main/res/navigation/mobile_navigation_sup.xml
new file mode 100644
index 0000000000000000000000000000000000000000..3a6698792c19552a35c6e59362b7c6f659fdc9da
--- /dev/null
+++ b/app/src/main/res/navigation/mobile_navigation_sup.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<navigation xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/mobile_navigation_sup"
+    app:startDestination="@+id/navigation_edit_item"
+    app:defaultNavHost="true">
+
+    <fragment
+        android:id="@+id/navigation_add_item"
+        android:name="com.example.mampfmobil.ui.supplier.SupplierAddItemFragment"
+        android:label="@string/add_Item"
+        tools:layout="@layout/fragment_supplier_add_item" />
+
+    <fragment
+        android:id="@+id/navigation_edit_item"
+        android:name="com.example.mampfmobil.ui.supplier.SupplierEditItemFragment"
+        android:label="@string/edit_Item"
+        tools:layout="@layout/fragment_supplier_edit_item" />
+
+    <fragment
+        android:id="@+id/navigation_statistics"
+        android:name="com.example.mampfmobil.ui.supplier.SupplierStatisticsFragment"
+        android:label="@string/statistics"
+        tools:layout="@layout/fragment_supplier_statistics" />
+
+    <fragment
+        android:id="@+id/navigation_ordersSupplier"
+        android:name="com.example.mampfmobil.ui.supplier.SupplierOrdersFragment"
+        android:label="Orders"
+        tools:layout="@layout/fragment_supplier_orders" />
+
+</navigation>
\ No newline at end of file
diff --git a/app/src/main/res/values-de-rDE/strings.xml b/app/src/main/res/values-de-rDE/strings.xml
new file mode 100644
index 0000000000000000000000000000000000000000..150d37c278078f395edb4814e23f5c2f81a5875e
--- /dev/null
+++ b/app/src/main/res/values-de-rDE/strings.xml
@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">Mampf Mobil</string>
+    <string name="title_home">Zuhause</string>
+    <string name="title_dashboard">Dash</string>
+    <string name="title_notifications">Nachrichten</string>
+    <string name="title_customer">Kunde</string>
+    <string name="title_supplier">Lieferant</string>
+    <string name="title_deliverer">Zusteller</string>
+    <string name="title_activity_customer">CustomerActivity</string>
+    <string name="shopping_cart">Einkaufswagen</string>
+    <string name="orders">Bestellungen</string>
+    <string name="shop">Laden</string>
+    <string name="statistics">Statistiken</string>
+    <string name="add_Item">Hinzufügen"</string>
+    <string name="edit_Item">Übersicht/Bearbeiten"</string>
+    <string name="open_orders">offene Bestellungen</string>
+    <string name="active_orders">aktive Bestellungen</string>
+    <string name="closed_orders">Geschlossene Bestellungen</string>
+    <string name="first_name">Vorname</string>
+    <string name="last_name">Nachname</string>
+    <string name="address">Adresse</string>
+    <string name="register">Registrieren</string>
+    <string name="company_name">Firmenname</string>
+    <string name="logon">einloggen</string>
+    <string name="noEmptyIn">Bitte keine leere eingaben</string>
+    <string name="personNotFound">Person nicht gefunden! Bitte registrieren sie sich zuerst!</string>
+    <string name="supplierNotFound">Lieferant nicht gefunden! Bitte registrieren sie sich zuerst!</string>
+    <string name="personFound">Person existiert schon! Bitte loggen sie sich ein!</string>
+    <string name="supplierFound">Zusteller existiert schon! Bitte loggen sie sich ein!</string>
+    <string name="add">Hinzufügen</string>
+    <string name="restamount_dp">Restmenge: </string>
+    <string name="restamount">Restmenge</string>
+    <string name="supplier_dp">Lieferant: </string>
+    <string name="buyamount_dp">Kaufmenge:</string>
+    <string name="price_dp">Preis: </string>
+    <string name="state_dp">"Status: "</string>
+    <string name="readyForTransport">Bereit für Transport</string>
+    <string name="readyForTransportDelivererFound">Bereit für Transport/Zusteller gefunden</string>
+    <string name="delivered">Zugestellt</string>
+    <string name="inTransportation">Im Transport</string>
+    <string name="readyForPickup">Bereit zur Abholung</string>
+    <string name="delivery">Lieferung</string>
+    <string name="pickup">Abholung</string>
+    <string name="picked">Abgeholt</string>
+    <string name="costumerAddress">Kundenadresse:</string>
+    <string name="buy">Kaufen</string>
+    <string name="address_dp">Adresse:</string>
+    <string name="storepickup">Abholung</string>
+    <string name="amount">Menge</string>
+    <string name="ready">Bereit</string>
+    <string name="sum_dp">Ges:</string>
+    <string name="reserve">reservieren</string>
+    <string name="ordered">bestellt</string>
+    <string name="price">Preis</string>
+    <string name="itemname">Itemname:</string>
+    <string name="amount_dp">Menge:</string>
+    <string name="items_sold_dp">Teile verkauft:</string>
+    <string name="sales_volume_dp">Umsatz:</string>
+    <string name="orders_dp">Bestellungen:</string>
+    <string name="supplieraddress_dp">Lieferantenadresse:</string>
+    <string name="edit">edit</string>
+    <string name="total">Gesamt</string>
+    <string name="sold_units_dp">Verkaufte Items:</string>
+    <string name="noemptyinput">Keine leere eingaben</string>
+    <string name="item_already_exists">Item existiert bereits</string>
+    <string name="added_to_shopping_cart">Zum Einkaufswagen hinzugefügt</string>
+    <string name="name">name</string>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-night/themes.xml b/app/src/main/res/values-night/themes.xml
index 8abf818a2f1a1c6507dc6c611b49b43ed3583fb9..1553a5c4b7728498c70c8a4b72b041cefe79e99d 100644
--- a/app/src/main/res/values-night/themes.xml
+++ b/app/src/main/res/values-night/themes.xml
@@ -12,5 +12,6 @@
         <!-- Status bar color. -->
         <item name="android:statusBarColor">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
+        <item name="boxColor">@color/dark_purple</item>
     </style>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/attrs.xml b/app/src/main/res/values/attrs.xml
new file mode 100644
index 0000000000000000000000000000000000000000..ad204f89578800608bb2e382215b8b06e6130598
--- /dev/null
+++ b/app/src/main/res/values/attrs.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <attr name="boxColor" format="color" />
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index f8c6127d327620c93d2b2d00342a68e97b98a48d..546bdcd7f839b2c426c8e464cf8d7dc3791fa46f 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -7,4 +7,8 @@
     <color name="teal_700">#FF018786</color>
     <color name="black">#FF000000</color>
     <color name="white">#FFFFFFFF</color>
+    <color name="dark_grey">#5A5A5A</color>
+    <color name="light_grey">#D3D3D3</color>
+    <color name="light_purple">#D8BFD8</color>
+    <color name="dark_purple">#301934</color>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 879129796c4c30fe3f5e1993e2f7230b58e8f1c0..082d0ec0292cd03fb1a266562ead30ab23a84a82 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -3,4 +3,66 @@
     <string name="title_home">Home</string>
     <string name="title_dashboard">Dashboard</string>
     <string name="title_notifications">Notifications</string>
+    <string name="title_activity_customer">CustomerActivity</string>
+    <string name="title_customer">Customer</string>
+    <string name="title_supplier">Supplier</string>
+    <string name="title_deliverer">Deliverer</string>
+    <string name="shopping_cart">Shopping Cart</string>
+    <string name="orders">Orders</string>
+    <string name="shop">Shop</string>
+    <string name="statistics">Statistics</string>
+    <string name="add_Item">Add Item</string>
+    <string name="edit_Item">Overview/Edit</string>
+    <string name="open_orders">Open Orders</string>
+    <string name="active_orders">Active Orders</string>
+    <string name="closed_orders">Closed Orders</string>
+    <string name="first_name">first name</string>
+    <string name="last_name">last name</string>
+    <string name="address">address</string>
+    <string name="register">register</string>
+    <string name="company_name">company name</string>
+    <string name="logon">login</string>
+    <string name="noEmptyIn">Please no empty inputs</string>
+    <string name="personNotFound">Person not found! Please register first!</string>
+    <string name="supplierNotFound">Supplier not found! Please register first!</string>
+    <string name="personFound">Person already exist! Please login!</string>
+    <string name="supplierFound">Person not found! Please login!</string>
+    <string name="add">add</string>
+    <string name="restamount_dp">Restamount: </string>
+    <string name="restamount">Restamount</string>
+    <string name="supplier_dp">Supplier: </string>
+    <string name="buyamount_dp">Buyamount:</string>
+    <string name="price_dp">Price: </string>
+    <string name="state_dp">State: </string>
+    <string name="readyForTransport">ready for transportation</string>
+    <string name="readyForTransportDelivererFound">ready for transportation/deliverer found</string>
+    <string name="delivered">delivered</string>
+    <string name="inTransportation">In transportation</string>
+    <string name="readyForPickup">ready for pickup</string>
+    <string name="delivery">delivery</string>
+    <string name="pickup">pickup</string>
+    <string name="picked">picked</string>
+    <string name="costumerAddress">Costumeraddress:</string>
+    <string name="buy">buy</string>
+    <string name="address_dp">Address:</string>
+    <string name="storepickup">StorePickup</string>
+    <string name="price">Price</string>
+    <string name="amount">Amount</string>
+    <string name="itemname">Itemname:</string>
+    <string name="amount_dp">Amount:</string>
+    <string name="items_sold_dp">Items sold:</string>
+    <string name="sales_volume_dp">Sales volume:</string>
+    <string name="orders_dp">Orders:</string>
+    <string name="ready">Ready</string>
+    <string name="supplieraddress_dp">Supplieraddress:</string>
+    <string name="edit">EDIT</string>
+    <string name="sum_dp">Sum:</string>
+    <string name="total">Total</string>
+    <string name="sold_units_dp">Sold Units:</string>
+    <string name="reserve">reserve</string>
+    <string name="ordered">ordered</string>
+    <string name="noemptyinput">noEmptyInput</string>
+    <string name="item_already_exists">Item already exists</string>
+    <string name="added_to_shopping_cart">Added to Shopping Cart</string>
+    <string name="name">Name</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
index e6d0eed14c71f7ed6149c0a30780f1e7c7f582a4..5cc402a11792bb9c4e291d87c8b024cfd76b5b8a 100644
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -5,6 +5,7 @@
         <item name="colorPrimary">@color/purple_500</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>
         <item name="colorOnPrimary">@color/white</item>
+
         <!-- Secondary brand color. -->
         <item name="colorSecondary">@color/teal_200</item>
         <item name="colorSecondaryVariant">@color/teal_700</item>
@@ -12,5 +13,7 @@
         <!-- Status bar color. -->
         <item name="android:statusBarColor">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
+        <item name="boxColor">@color/light_grey</item>
+
     </style>
 </resources>
\ No newline at end of file