protected Drawable getIcon(Context context) {
        if (this.mIconResource != 0) {
            return ContextCompat.getDrawable(context, this.mIconResource);
        } else {
            return this.mIcon;
        }
    }
@param context to fetch drawable
@return icon drawable
common/src/main/java/com/sxjs/common/widget/bottomnavigation/BottomNavigationItem.java