code: @Override
      protected void onSizeChanged(int w, int h, int oldw, int oldh) {
          super.onSizeChanged(w, h, oldw, oldh);
          if (onClickedDrawable != null) {
              onClickedDrawable.setBounds(0, 0, w, h);
          }
      }
docs: /*
  When the size of the view changes, the size of the selector must scale with it