diff --git a/app/src/main/res/layout/activity_about.xml b/app/src/main/res/layout/activity_about.xml
index 2b117aa..635f430 100644
--- a/app/src/main/res/layout/activity_about.xml
+++ b/app/src/main/res/layout/activity_about.xml
@@ -13,6 +13,10 @@
         android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">
 
         <android.support.v7.widget.Toolbar
+    android:id="@+id/toolbar"
+    android:layout_width="match_parent"
+    android:layout_height="?attr/actionBarSize"
+    app:layout_scrollFlags="scroll|enterAlways"/>
             android:id="@+id/toolbar"
             android:layout_width="match_parent"
             android:layout_height="?attr/actionBarSize"
@@ -26,5 +30,24 @@
         android:layout_height="match_parent"
         android:orientation="vertical"
         app:layout_behavior="@string/appbar_scrolling_view_behavior" />
+    <LinearLayout
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_margin="16dp"
+    android:orientation="horizontal"
+    android:padding="12dp">
+
+    <TextView
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:text="الوضع المظلم"
+        android:textSize="18sp"/>
+
+    <androidx.appcompat.widget.SwitchCompat
+        android:id="@+id/dark_mode_switch"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"/>
+</LinearLayout>
 
-</android.support.design.widget.CoordinatorLayout>
\ No newline at end of file
+</android.support.design.widget.CoordinatorLayout>