[Android] Fix controls RTL issues

src/Core/src/Handlers/Picker/PickerHandler.Android.cs

@@ -147,6 +147,8 @@ void OnClick(object? sender, EventArgs e)
 				if (_dialog == null)
 					return;
 
+				_dialog.UpdateFlowDirection(PlatformView);
+
 				_dialog.SetCanceledOnTouchOutside(true);
 
 				_dialog.DismissEvent += (sender, args) =>

src/Core/src/Platform/Android/FlowDirectionExtensions.cs

@@ -19,5 +19,18 @@ internal static FlowDirection ToFlowDirection(this ALayoutDirection direction)
 					return FlowDirection.MatchParent;
 			}
 		}
+
+		internal static ATextDirection ToTextDirection(this ALayoutDirection direction)
+		{
+			switch (direction)
+			{
+				case ALayoutDirection.Ltr:
+					return ATextDirection.Ltr;
+				case ALayoutDirection.Rtl:
+					return ATextDirection.Rtl;
+				default:
+					return ATextDirection.Inherit;
+			}
+		}
 	}
 }

src/Core/src/Platform/Android/PickerExtensions.cs

@@ -1,4 +1,5 @@
-using Android.Content.Res;
+using Android.App;
+using Android.Content.Res;
 
 namespace Microsoft.Maui.Platform
 {
@@ -45,5 +46,24 @@ internal static void UpdatePicker(this MauiPicker platformPicker, IPicker picker
 			else
 				platformPicker.Text = picker.GetItem(picker.SelectedIndex);
 		}
+
+		internal static void UpdateFlowDirection(this AlertDialog alertDialog, MauiPicker platformPicker)
+		{
+			var platformLayoutDirection = platformPicker.LayoutDirection;
+
+			// Propagate the MauiPicker LayoutDirection to the AlertDialog
+			var dv = alertDialog.Window?.DecorView;
+
+			if (dv is not null)
+				dv.LayoutDirection = platformLayoutDirection;
+
+			var lv = alertDialog?.ListView;
+
+			if (lv is not null)
+			{
+				lv.LayoutDirection = platformLayoutDirection;
+				lv.TextDirection = platformLayoutDirection.ToTextDirection();
+			}
+		}
 	}
 }