diff --git a/app/src/main/java/com/example/mampfmobil/ui/DecideFragment.java b/app/src/main/java/com/example/mampfmobil/ui/DecideFragment.java
index 827e67abd217f273302759df7f474430d9510cfd..2ec099dc0c4f4249fbb56d753a7e5ac50a7390a2 100644
--- a/app/src/main/java/com/example/mampfmobil/ui/DecideFragment.java
+++ b/app/src/main/java/com/example/mampfmobil/ui/DecideFragment.java
@@ -1,5 +1,6 @@
 package com.example.mampfmobil.ui;
 
+import androidx.appcompat.app.AppCompatDelegate;
 import androidx.fragment.app.FragmentManager;
 import androidx.fragment.app.FragmentTransaction;
 import androidx.lifecycle.ViewModelProvider;
@@ -7,11 +8,13 @@ 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;
@@ -43,6 +46,26 @@ public class DecideFragment extends Fragment {
 
         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
@@ -112,12 +135,38 @@ public class DecideFragment extends Fragment {
         configuration.setLocale(locale);
         resources.updateConfiguration(configuration, resources.getDisplayMetrics());
 
-        // Hier müssen Sie den Fragments-Wechsel aktualisieren, um sicherzustellen,
-        // dass die Ansichten und Texte entsprechend der geänderten Sprache aktualisiert werden
-        FragmentManager fragmentManager = requireActivity().getSupportFragmentManager();
-        FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
-        fragmentTransaction.replace(R.id.container, new DecideFragment());
-        fragmentTransaction.commit();
+        recreateActivity(); // Aktivität neu starten, um die Änderungen anzuwenden
+    }
+
+    private void setDarkMode(boolean enabled) {
+
+        if (enabled) {
+
+            Log.d("myTag", "YES");
+            // Dark Mode aktivieren
+            AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_YES);
+        } else {
+            Log.d("myTag", "NO ");
+            // 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/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/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/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/fragment_decide.xml b/app/src/main/res/layout/fragment_decide.xml
index f92c6142f8d916519adb6d443c34487a39aaff5c..8fda7891c84f99a87c2adad79054e3d376b2205f 100644
--- a/app/src/main/res/layout/fragment_decide.xml
+++ b/app/src/main/res/layout/fragment_decide.xml
@@ -68,5 +68,26 @@
             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/values/colors.xml b/app/src/main/res/values/colors.xml
index f8c6127d327620c93d2b2d00342a68e97b98a48d..b1361292d171b5a83123e0ff19fd74bf1b57e900 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -7,4 +7,5 @@
     <color name="teal_700">#FF018786</color>
     <color name="black">#FF000000</color>
     <color name="white">#FFFFFFFF</color>
+    <color name="dark_grey">#5A5A5A</color>
 </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..b05bf7a9605ecc50030f4f398388c09d05b11b01 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 +13,6 @@
         <!-- Status bar color. -->
         <item name="android:statusBarColor">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
+
     </style>
 </resources>
\ No newline at end of file