code: protected void onPostTransform(View view, float position) {
          if(mCustomAnimationInterface != null){
              if(position == -1 || position == 1){
                  mCustomAnimationInterface.onCurrentItemDisappear(view);
                  isApp = true;
              }else if(position == 0){
                  mCustomAnimationInterface.onNextItemAppear(view);
                  isDis = true;
              }
              if(isApp && isDis){
                  h.clear();
                  isApp = false;
                  isDis = false;
              }
          }
      }
docs: Called each {@link #transformPage(View, float)} call after {@link #onTransform(View, float)} is finished.
  
  @param view
  @param position