code: public void displayImage(String uri, ImageAware imageAware, ImageLoadingListener listener) {
  		displayImage(uri, imageAware, null, listener, null);
  	}
docs: Adds display image task to execution pool. Image will be set to ImageAware when it's turn.<br />
  Default {@linkplain DisplayImageOptions display image options} from {@linkplain ImageLoaderConfiguration
  configuration} will be used.<br />
  <b>NOTE:</b> {@link #init(ImageLoaderConfiguration)} method must be called before this method call
  
  @param uri        Image URI (i.e. "http://site.com/image.png", "file:///mnt/sdcard/image.png")
  @param imageAware {@linkplain com.nostra13.universalimageloader.core.imageaware.ImageAware Image aware view}
  which should display image
  @param listener   {@linkplain ImageLoadingListener Listener} for image loading process. Listener fires events on
  UI thread if this method is called on UI thread.
  @throws IllegalStateException    if {@link #init(ImageLoaderConfiguration)} method wasn't called before
  @throws IllegalArgumentException if passed <b>imageAware</b> is null