@Override
public void onSuccess(String response) {                
    Bitmap bm = BitmapFactory.decodeFile(response);

    ImageView imgView = (ImageView)findViewById(R.id.imageView1);
    imgView.setImageBitmap(bm);
}

            @Override
            public void onSuccess(String response) {
                Drawable d = null;
                Object content=response.getBytes();
                InputStream is = (InputStream)content;
                d = Drawable.createFromStream(is, "src");

                ImageView imgView= (ImageView)findViewById(R.id.imageView1);
                imgView.setImageDrawable(d);
            }