code: public void destroy() {
  		if (configuration != null) L.d(LOG_DESTROY);
  		stop();
  		configuration.diskCache.close();
  		engine = null;
  		configuration = null;
  	}
docs: {@linkplain #stop() Stops ImageLoader} and clears current configuration. <br />
  You can {@linkplain #init(ImageLoaderConfiguration) init} ImageLoader with new configuration after calling this
  method.