Merge "Introduce onAnimateToSearchStateCompleted() in SearchUiDelegate." into udc-qpr-dev

src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java

@@ -391,7 +391,10 @@ public class ActivityAllAppsContainerView<T extends Context & ActivityContext>
                         rebindAdapters(false);
                         mRebindAdaptersAfterSearchAnimation = false;
                     }
-                    if (!goingToSearch) {
+
+                    if (goingToSearch) {
+                        mSearchUiDelegate.onAnimateToSearchStateCompleted();
+                    } else {
                         setSearchResults(null);
                         if (mViewPager != null) {
                             mViewPager.setCurrentPage(previousPage);

src/com/android/launcher3/allapps/search/AllAppsSearchUiDelegate.java

@@ -49,6 +49,11 @@ public class AllAppsSearchUiDelegate {
         // Do nothing.
     }
 
+    /** Invoked when transition animations to go to search is completed . */
+    public void onAnimateToSearchStateCompleted() {
+        // Do nothing
+    }
+
     /** Invoked when the search bar has been added to All Apps. */
     public void onInitializeSearchBar() {
         // Do nothing.