diff --git a/core/java/android/view/ViewGroup.java b/core/java/android/view/ViewGroup.java
index d3f9174..a40582b 100644
--- a/core/java/android/view/ViewGroup.java
+++ b/core/java/android/view/ViewGroup.java
@@ -4426,8 +4426,10 @@
     /**
      * Quick invalidation method that simply transforms the dirty rect into the parent's
      * coordinate system, pruning the invalidation if the parent has already been invalidated.
+     *
+     * @hide
      */
-    private ViewParent invalidateChildInParentFast(int left, int top, final Rect dirty) {
+    protected ViewParent invalidateChildInParentFast(int left, int top, final Rect dirty) {
         if ((mPrivateFlags & PFLAG_DRAWN) == PFLAG_DRAWN ||
                 (mPrivateFlags & PFLAG_DRAWING_CACHE_VALID) == PFLAG_DRAWING_CACHE_VALID) {
             dirty.offset(left - mScrollX, top - mScrollY);
diff --git a/core/java/android/view/ViewOverlay.java b/core/java/android/view/ViewOverlay.java
index 2d86bfe..975931a 100644
--- a/core/java/android/view/ViewOverlay.java
+++ b/core/java/android/view/ViewOverlay.java
@@ -300,6 +300,17 @@
             }
         }
 
+        /**
+         * @hide
+         */
+        @Override
+        protected ViewParent invalidateChildInParentFast(int left, int top, Rect dirty) {
+            if (mHostView instanceof ViewGroup) {
+                return ((ViewGroup) mHostView).invalidateChildInParentFast(left, top, dirty);
+            }
+            return null;
+        }
+
         @Override
         public ViewParent invalidateChildInParent(int[] location, Rect dirty) {
             if (mHostView != null) {