ThemeUtils.java 文件源码

public static Drawable tintDrawable(Drawable drawable, @ColorInt int color, PorterDuff.Mode mode) {
    if (drawable == null) return null;
    Drawable wrapper = DrawableCompat.wrap(drawable.mutate());
    DrawableCompat.setTint(wrapper, color);
    DrawableCompat.setTintMode(drawable, mode);
    return wrapper;
}