public void onDetach() {
    mEventTracker.recordEvent(Event.ON_HOLDER_DETACH);
    mIsHolderAttached = false;
    attachOrDetachController();
  }
Releases resources used to display the image.

<p>The containing view must call this method from both {@link View#onStartTemporaryDetach()}
and {@link View#onDetachedFromWindow()}.
drawee/src/main/java/com/facebook/drawee/view/DraweeHolder.java