code: public void setPlaceholderImage(int resourceId, ScalingUtils.ScaleType scaleType) {
      setPlaceholderImage(mResources.getDrawable(resourceId), scaleType);
    }
docs: Sets a new placeholder drawable with scale type.
  
  @param resourceId an identifier of an Android drawable or color resource.
  @param ScalingUtils.ScaleType a new scale type.