ThemeUtils.java 文件源码

public static Drawable tintDrawable(Drawable drawable, ColorStateList cls, PorterDuff.Mode mode) {
    if (drawable == null) return null;
    Drawable wrapper = DrawableCompat.wrap(drawable.mutate());
    DrawableCompat.setTintList(wrapper, cls);
    DrawableCompat.setTintMode(drawable, mode);
    return wrapper;
}