diff --git a/core/java/android/window/TaskFragmentAnimationParams.java b/core/java/android/window/TaskFragmentAnimationParams.java
index 12ad914986264..c8f632707966b 100644
--- a/core/java/android/window/TaskFragmentAnimationParams.java
+++ b/core/java/android/window/TaskFragmentAnimationParams.java
@@ -33,6 +33,13 @@ public final class TaskFragmentAnimationParams implements Parcelable {
     public static final TaskFragmentAnimationParams DEFAULT =
             new TaskFragmentAnimationParams.Builder().build();
 
+    /**
+     * The default value for animation background color, which means to use the theme window
+     * background color.
+     */
+    @ColorInt
+    public static final int DEFAULT_ANIMATION_BACKGROUND_COLOR = 0;
+
     @ColorInt
     private final int mAnimationBackgroundColor;
 
@@ -104,12 +111,13 @@ public final class TaskFragmentAnimationParams implements Parcelable {
     public static final class Builder {
 
         @ColorInt
-        private int mAnimationBackgroundColor = 0;
+        private int mAnimationBackgroundColor = DEFAULT_ANIMATION_BACKGROUND_COLOR;
 
         /**
          * Sets the {@link ColorInt} to use for the background during the animation with this
          * TaskFragment if the animation requires a background. The default value is
-         * {@code 0}, which is to use the theme window background.
+         * {@link #DEFAULT_ANIMATION_BACKGROUND_COLOR}, which is to use the theme window background
+         * color.
          *
          * @param color a packed color int, {@code AARRGGBB}, for the animation background color.
          * @return this {@link Builder}.
diff --git a/libs/WindowManager/Jetpack/window-extensions-release.aar b/libs/WindowManager/Jetpack/window-extensions-release.aar
index 68523209c9cc9..c3b6916121d05 100644
Binary files a/libs/WindowManager/Jetpack/window-extensions-release.aar and b/libs/WindowManager/Jetpack/window-extensions-release.aar differ
diff --git a/services/core/java/com/android/server/wm/Transition.java b/services/core/java/com/android/server/wm/Transition.java
index 00e318816a74c..db8079a9cd2fa 100644
--- a/services/core/java/com/android/server/wm/Transition.java
+++ b/services/core/java/com/android/server/wm/Transition.java
@@ -45,6 +45,7 @@ import static android.view.WindowManager.TRANSIT_TO_FRONT;
 import static android.view.WindowManager.TransitionFlags;
 import static android.view.WindowManager.TransitionType;
 import static android.view.WindowManager.transitTypeToString;
+import static android.window.TaskFragmentAnimationParams.DEFAULT_ANIMATION_BACKGROUND_COLOR;
 import static android.window.TransitionInfo.FLAG_DISPLAY_HAS_ALERT_WINDOWS;
 import static android.window.TransitionInfo.FLAG_FILLS_TASK;
 import static android.window.TransitionInfo.FLAG_IN_TASK_WITH_EMBEDDED_ACTIVITY;
@@ -1736,7 +1737,7 @@ class Transition implements BLASTSyncEngine.TransactionReadyListener {
                         ? activityRecord.getOrganizedTaskFragment()
                         : taskFragment.getOrganizedTaskFragment();
                 if (organizedTf != null && organizedTf.getAnimationParams()
-                        .getAnimationBackgroundColor() != 0) {
+                        .getAnimationBackgroundColor() != DEFAULT_ANIMATION_BACKGROUND_COLOR) {
                     // This window is embedded and has an animation background color set on the
                     // TaskFragment. Pass this color with this window, so the handler can use it as
                     // the animation background color if needed,
@@ -1748,10 +1749,11 @@ class Transition implements BLASTSyncEngine.TransactionReadyListener {
                     final Task parentTask = activityRecord != null
                             ? activityRecord.getTask()
                             : taskFragment.getTask();
-                    backgroundColor = ColorUtils.setAlphaComponent(
-                            parentTask.getTaskDescription().getBackgroundColor(), 255);
+                    backgroundColor = parentTask.getTaskDescription().getBackgroundColor();
                 }
-                change.setBackgroundColor(backgroundColor);
+                // Set to opaque for animation background to prevent it from exposing the blank
+                // background or content below.
+                change.setBackgroundColor(ColorUtils.setAlphaComponent(backgroundColor, 255));
             }
 
             change.setRotation(info.mRotation, endRotation);
diff --git a/services/core/java/com/android/server/wm/WindowContainer.java b/services/core/java/com/android/server/wm/WindowContainer.java
index 9a20354bcf813..ce032442e4af8 100644
--- a/services/core/java/com/android/server/wm/WindowContainer.java
+++ b/services/core/java/com/android/server/wm/WindowContainer.java
@@ -33,6 +33,7 @@ import static android.os.UserHandle.USER_NULL;
 import static android.view.SurfaceControl.Transaction;
 import static android.view.WindowManager.LayoutParams.INVALID_WINDOW_TYPE;
 import static android.view.WindowManager.TRANSIT_CHANGE;
+import static android.window.TaskFragmentAnimationParams.DEFAULT_ANIMATION_BACKGROUND_COLOR;
 
 import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_ANIM;
 import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_APP_TRANSITIONS;
@@ -3168,7 +3169,7 @@ class WindowContainer<E extends WindowContainer> extends ConfigurationContainer<
                             ? activityRecord.getOrganizedTaskFragment()
                             : taskFragment.getOrganizedTaskFragment();
                     if (organizedTf != null && organizedTf.getAnimationParams()
-                            .getAnimationBackgroundColor() != 0) {
+                            .getAnimationBackgroundColor() != DEFAULT_ANIMATION_BACKGROUND_COLOR) {
                         // This window is embedded and has an animation background color set on the
                         // TaskFragment. Pass this color with this window, so the handler can use it
                         // as the animation background color if needed,
@@ -3181,11 +3182,14 @@ class WindowContainer<E extends WindowContainer> extends ConfigurationContainer<
                         final Task parentTask = activityRecord != null
                                 ? activityRecord.getTask()
                                 : taskFragment.getTask();
-                        backgroundColorForTransition = ColorUtils.setAlphaComponent(
-                                parentTask.getTaskDescription().getBackgroundColor(), 255);
+                        backgroundColorForTransition = parentTask.getTaskDescription()
+                                .getBackgroundColor();
                     }
                 }
-                animationRunnerBuilder.setTaskBackgroundColor(backgroundColorForTransition);
+                // Set to opaque for animation background to prevent it from exposing the blank
+                // background or content below.
+                animationRunnerBuilder.setTaskBackgroundColor(ColorUtils.setAlphaComponent(
+                        backgroundColorForTransition, 255));
             }
 
             animationRunnerBuilder.build()