现在最新获得手机是否有通知权限的代码是什么？

var main = plus.android.runtimeMainActivity();
var pkName = main.getPackageName();
var uid = main.getApplicationInfo().plusGetAttribute("uid");
var NotificationManagerCompat = plus.android.importClass("android.core.app.NotificationManagerCompat");
var areNotificationsEnabled = NotificationManagerCompat.from(main).areNotificationsEnabled();
以前用这个，现在用不了 报错