protected Drawable getInactiveIcon(Context context) {
        if (this.mInactiveIconResource != 0) {
            return ContextCompat.getDrawable(context, this.mInactiveIconResource);
        } else {
            return this.mInactiveIcon;
        }
    }
@param context to fetch resources
@return in-active icon drawable
common/src/main/java/com/sxjs/common/widget/bottomnavigation/BottomNavigationItem.java