@Override
            public boolean onResourceReady(Bitmap resource, String model, Target<Bitmap> target, boolean isFromMemoryCache, boolean isFirstResource) {
                if (resource != null && callback != null) {
                    img.setImageBitmap(resource);
                    callback.onSuccess();
                    return true;
                }
                return false;
            }
use https://github.com/bumptech/glide as media loader.
can <b>not</b> be used in Production Environment.

@author ChenSL
app/src/main/java/com/bilibili/boxing/impl/BoxingGlideLoader.java