/*package*/ final void onWrappedAdapterChanged() {
    if (LOCAL_LOGD) {
      Log.d(TAG, "onWrappedAdapterChanged");
    }

    onHandleWrappedAdapterChanged();
  }
 @Override
 protected void onHandleWrappedAdapterChanged() {
   if (shouldCancelDragOnDataUpdated()) {
     cancelDrag();
   } else {
     super.onHandleWrappedAdapterChanged();
   }
 }