public BaseViewHolder setImageDrawable(int viewId, Drawable drawable) {
        ImageView view = getView(viewId);
        view.setImageDrawable(drawable);
        return this;
    }
Will set the image of an ImageView from a drawable.

@param viewId   The view id.
@param drawable The image drawable.
@return The BaseViewHolder for chaining.
common/src/main/java/com/sxjs/common/base/baseadapter/BaseViewHolder.java