1 files changed, 15 insertions, 0 deletions
diff --git a/core/java/android/view/ViewParent.java b/core/java/android/view/ViewParent.java
index feba7bb7f195..775c15e77d5d 100644
--- a/core/java/android/view/ViewParent.java
+++ b/core/java/android/view/ViewParent.java
@@ -408,6 +408,7 @@ public interface ViewParent {
      *            or more of:
      *            <ul>
      *            <li>{@link AccessibilityEvent#CONTENT_CHANGE_TYPE_CONTENT_DESCRIPTION}
+     *            <li>{@link AccessibilityEvent#CONTENT_CHANGE_TYPE_STATE_DESCRIPTION}
      *            <li>{@link AccessibilityEvent#CONTENT_CHANGE_TYPE_SUBTREE}
      *            <li>{@link AccessibilityEvent#CONTENT_CHANGE_TYPE_TEXT}
      *            <li>{@link AccessibilityEvent#CONTENT_CHANGE_TYPE_UNDEFINED}
@@ -674,4 +675,18 @@ public interface ViewParent {
      */
     default void subtractObscuredTouchableRegion(Region touchableRegion, View view) {
     }
+
+    /**
+     * Unbuffered dispatch has been requested by a child of this view parent.
+     * This method is called by the View hierarchy to signal ancestors that a View needs to
+     * request unbuffered dispatch.
+     *
+     * @see View#requestUnbufferedDispatch(int)
+     * @hide
+     */
+    default void onDescendantUnbufferedRequested() {
+        if (getParent() != null) {
+            getParent().onDescendantUnbufferedRequested();
+        }
+    }
 }