DrawableTint.java 文件源码

@SuppressLint("RestrictedApi")
private static void setTintMode(Drawable drawable, PorterDuff.Mode mode) {
    if (drawable instanceof TintAwareDrawable) {
        ((TintAwareDrawable) drawable).setTintMode(mode);
    } else {
        DrawableCompat.setTintMode(drawable, mode);
    }
}