.displayer(...)
is applied only for ImageLoader.displayImage(...)
calls.
For ImageLoader.loadImage(...)
you can use displayers yourself directly:
ImageSize targetSize = new ImageSize(50, 50);
imageLoader.loadImage(image_poster_url, targetSize, options,
new SimpleImageLoadingListener() {
@Override
public void onLoadingComplete(String imageUri,
View view, Bitmap loadedImage) {
new RoundedBitmapDisplayer(20).display(holder.posterImage);
}
});