code: public static void setImageDrawable(EfficientCacheView cacheView, int viewId,
              Drawable drawable) {
          View view = cacheView.findViewByIdEfficient(viewId);
          if (view instanceof ImageView) {
              ((ImageView) view).setImageDrawable(drawable);
          }
      }
docs: Equivalent to calling ImageView.setImageDrawable
  
  @param cacheView The cache of views to get the view from
  @param viewId    The id of the view whose image should change
  @param drawable  the Drawable to set, or {@code null} to clear the
  content