public void setImageRes(@DrawableRes int imageRes) {
        if (mCoverImg != null) {
            mCoverImg.setImageResource(imageRes);
        }
    }
A media layout for {@link android.support.v7.widget.RecyclerView} item, including image and video <br/>

@author ChenSL
boxing-impl/src/main/java/com/bilibili/boxing_impl/view/MediaItemLayout.java