Fixing the animation of drawable couldn't play automatically for the banner.

Root cause:
Only supported AnimatedImageDrawable before.

Solution:
Support all classes which implement Animatable

Bug: 190032215
Test: atest AnimatedImagePreferenceTest
Change-Id: Iba18bfab9a46fd02f642d66a3bb9b9ce513c4456

src/com/android/settings/accessibility/AnimatedImagePreference.java

@@ -17,7 +17,9 @@
 package com.android.settings.accessibility;
 
 import android.content.Context;
-import android.graphics.drawable.AnimatedImageDrawable;
+import android.graphics.drawable.Animatable;
+import android.graphics.drawable.Animatable2;
+import android.graphics.drawable.AnimationDrawable;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.widget.ImageView;
@@ -36,6 +38,14 @@ public class AnimatedImagePreference extends Preference {
     private Uri mImageUri;
     private int mMaxHeight = -1;
 
+    private final Animatable2.AnimationCallback mAnimationCallback =
+            new Animatable2.AnimationCallback() {
+        @Override
+        public void onAnimationEnd(Drawable drawable) {
+            ((Animatable2) drawable).start();
+        }
+    };
+
     AnimatedImagePreference(Context context) {
         super(context);
         setLayoutResource(R.layout.preference_animated_image);
@@ -51,12 +61,10 @@ public class AnimatedImagePreference extends Preference {
         }
 
         if (mImageUri != null) {
-            imageView.setImageURI(mImageUri);
+            resetAnimation(imageView.getDrawable());
 
-            final Drawable drawable = imageView.getDrawable();
+            imageView.setImageURI(mImageUri);
-            if (drawable instanceof AnimatedImageDrawable) {
+            startAnimation(imageView.getDrawable());
-                ((AnimatedImageDrawable) drawable).start();
-            }
         }
 
         if (mMaxHeight > -1) {
@@ -87,4 +95,30 @@ public class AnimatedImagePreference extends Preference {
             notifyChanged();
         }
     }
+
+    private void startAnimation(Drawable drawable) {
+        if (!(drawable instanceof Animatable)) {
+            return;
+        }
+
+        if (drawable instanceof Animatable2) {
+            ((Animatable2) drawable).registerAnimationCallback(mAnimationCallback);
+        } else if (drawable instanceof AnimationDrawable) {
+            ((AnimationDrawable) drawable).setOneShot(false);
+        }
+
+        ((Animatable) drawable).start();
+    }
+
+    private void resetAnimation(Drawable drawable) {
+        if (!(drawable instanceof Animatable)) {
+            return;
+        }
+
+        if (drawable instanceof Animatable2) {
+            ((Animatable2) drawable).clearAnimationCallbacks();
+        }
+
+        ((Animatable) drawable).stop();
+    }
 }

tests/robotests/src/com/android/settings/accessibility/AnimatedImagePreferenceTest.java

@@ -19,12 +19,15 @@ package com.android.settings.accessibility;
 import static com.google.common.truth.Truth.assertThat;
 
 import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 
 import android.content.Context;
 import android.graphics.drawable.AnimatedImageDrawable;
+import android.graphics.drawable.AnimatedVectorDrawable;
+import android.graphics.drawable.AnimationDrawable;
 import android.net.Uri;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -37,7 +40,6 @@ import com.android.settings.R;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.mockito.Spy;
 import org.robolectric.RobolectricTestRunner;
@@ -54,9 +56,6 @@ public class AnimatedImagePreferenceTest {
     @Spy
     private ImageView mImageView;
 
-    @Mock
-    private AnimatedImageDrawable mAnimatedImageDrawable;
-
     @Before
     public void init() {
         MockitoAnnotations.initMocks(this);
@@ -72,14 +71,39 @@ public class AnimatedImagePreferenceTest {
     }
 
     @Test
-    public void readImageUri_animatedImage_startAnimation() {
+    public void playAnimation_animatedImageDrawable_success() {
+        final AnimatedImageDrawable drawable = mock(AnimatedImageDrawable.class);
         doReturn(mImageView).when(mRootView).findViewById(R.id.animated_img);
-        doReturn(mAnimatedImageDrawable).when(mImageView).getDrawable();
+        doReturn(drawable).when(mImageView).getDrawable();
 
         mAnimatedImagePreference.setImageUri(mImageUri);
         mAnimatedImagePreference.onBindViewHolder(mViewHolder);
 
-        verify(mAnimatedImageDrawable).start();
+        verify(drawable).start();
+    }
+
+    @Test
+    public void playAnimation_animatedVectorDrawable_success() {
+        final AnimatedVectorDrawable drawable = mock(AnimatedVectorDrawable.class);
+        doReturn(mImageView).when(mRootView).findViewById(R.id.animated_img);
+        doReturn(drawable).when(mImageView).getDrawable();
+
+        mAnimatedImagePreference.setImageUri(mImageUri);
+        mAnimatedImagePreference.onBindViewHolder(mViewHolder);
+
+        verify(drawable).start();
+    }
+
+    @Test
+    public void playAnimation_animationDrawable_success() {
+        final AnimationDrawable drawable = mock(AnimationDrawable.class);
+        doReturn(mImageView).when(mRootView).findViewById(R.id.animated_img);
+        doReturn(drawable).when(mImageView).getDrawable();
+
+        mAnimatedImagePreference.setImageUri(mImageUri);
+        mAnimatedImagePreference.onBindViewHolder(mViewHolder);
+
+        verify(drawable).start();
     }
 
     @Test