Avoid JavaCast and exceptions and ask Java (#23215)

src/Core/AndroidNative/maui/src/main/java/com/microsoft/maui/PlatformInterop.java

@@ -13,6 +13,7 @@
 import android.graphics.PorterDuff;
 import android.graphics.Rect;
 import android.graphics.Typeface;
+import android.graphics.drawable.Animatable;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.PaintDrawable;
 import android.net.Uri;
@@ -63,15 +64,16 @@
 import java.util.List;
 
 public class PlatformInterop {
-     public static void requestLayoutIfNeeded(View view) {
+
+    public static void requestLayoutIfNeeded(View view) {
 
         // If the view isn't currently in the layout process, then we simply request
         // that layout happen next time around
         if (!view.isInLayout())	{
             view.requestLayout();
-			return;
-		}
-		
+            return;
+        }
+        
         /* 
             Something is requesting layout while the view is already in the middle of a layout pass. This is most 
             likely because a layout-affecting property has been data bound to another layout-affecting property, e.g. 
@@ -84,13 +86,13 @@ public static void requestLayoutIfNeeded(View view) {
             layout pass has finished. Layout will happen again with the updated values.
         */
 
-		Runnable runnable = () -> { 
-			if (!view.isInLayout())	{
-				view.requestLayout();
-			}
-		};
-		
-		view.post(runnable);
+        Runnable runnable = () -> { 
+            if (!view.isInLayout())	{
+                view.requestLayout();
+            }
+        };
+        
+        view.post(runnable);
     }
 
     public static void removeFromParent(View view) {
@@ -673,4 +675,18 @@ static int[][] getButtonState()
             return buttonState;
         }
     }
+
+    /*
+     * This method is used to get the Animatable object from a Drawable.
+     * This is useful when we need to start/stop animations on a drawable.
+     * @param drawable The drawable to get the Animatable object from.
+     * @return The Animatable object if the drawable is an instance of Animatable, otherwise null.
+     */
+    public static Animatable getAnimatable(Drawable drawable) {
+        if (drawable instanceof Animatable) {
+            return (Animatable) drawable;
+        }
+        return null;
+    }
+
 }

src/Core/src/Platform/Android/DrawableExtensions.cs

@@ -1,5 +1,6 @@
 using System;
 using Android.Graphics;
+using Android.Graphics.Drawables;
 using AColor = Android.Graphics.Color;
 using AColorFilter = Android.Graphics.ColorFilter;
 using ADrawable = Android.Graphics.Drawables.Drawable;
@@ -58,5 +59,19 @@ public static void SetColorFilter(this ADrawable drawable, AColor color, FilterM
 			if (drawable is not null)
 				PlatformInterop.SetColorFilter(drawable, color, (int)mode);
 		}
+
+		internal static IAnimatable? AsAnimatable(this ADrawable? drawable)
+		{
+			if (drawable is null)
+				return null;
+
+			if (drawable is IAnimatable animatable)
+				return animatable;
+
+			if (PlatformInterop.GetAnimatable(drawable) is IAnimatable javaAnimatable)
+				return javaAnimatable;
+
+			return null;
+		}
 	}
 }

src/Core/src/Platform/Android/ImageViewExtensions.cs

@@ -1,10 +1,5 @@
-using System;
-using System.Threading;
-using System.Threading.Tasks;
-using Android.Graphics.Drawables;
-using Android.Views;
+using Android.Graphics.Drawables;
 using Android.Widget;
-using Bumptech.Glide.Load.Resource.Gif;
 
 namespace Microsoft.Maui.Platform
 {
@@ -30,8 +25,7 @@ public static void UpdateIsAnimationPlaying(this ImageView imageView, IImageSour
 
 		public static void UpdateIsAnimationPlaying(this Drawable? drawable, IImageSourcePart image)
 		{
-			var animatable = drawable.TryJavaCast<IAnimatable>();
-			if (animatable is not null)
+			if (drawable.IsAlive() && drawable.AsAnimatable() is IAnimatable animatable)
 			{
 				if (image.IsAnimationPlaying)
 				{

src/Core/src/Platform/Android/JavaObjectExtensions.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
-using Android.Runtime;
 
 namespace Microsoft.Maui
 {
@@ -33,18 +32,5 @@ public static bool IsAlive([NotNullWhen(true)] this global::Android.Runtime.IJav
 
 			return !obj.IsDisposed();
 		}
-
-		public static TResult? TryJavaCast<[DynamicallyAccessedMembers (Constructors)] TResult>(this IJavaObject? instance)
-			where TResult : class, IJavaObject
-		{
-			try
-			{
-				return instance.JavaCast<TResult>();
-			}
-			catch
-			{
-				return null;
-			}
-		}
 	}
 }