当App未运行时（iphone / android）就像Find My iPhone一样，在远程触发器上创建一个（重复的高音）警报 [英] Create an (repetitive high pitch) Alarm on a remote trigger when App is not running (iphone/android) just like Find My iPhone

问题描述

我想在应用程序运行或未运行时在远程iphone / Android设备上发出警报。

I would like to cause an alarm on a remote iphone/android device when the app is running or not running.

我该如何实现？

当有来电时，我只能想到Whatsapp / Skype，它响了。
或者是否可以使手机在推送通知上播放循环闹钟声音。

I can only think of Whatsapp/Skype when there is incoming call, its ringing. Or would it be possible to cause the phone to play a looping alarm sound on Push Notification.

另一个非常明显的例子是查找我的iPhone应用程序可以触发iPhone的响亮警报。

Another very clear example is "Find My iPhone" app which can trigger a loud alarm to an iPhone.

如何在ios和android上以编程方式实现？

How can I achieve this programmatically on ios and android ?

推荐答案

使用FireBase Notification Services和JobService& FirebaseMessagingService。

• 下载FireBase示例从这里开始。运行模块messaging。我对它进行了测试，即使在应用程序被杀死状态下，我也能够收到通知。

• Download the FireBase samples from here .Run module "messaging".I tested it and I was able to receive the notification , even in the Application killed state.

要定期/计划管理活动，您必须实施&在某处部署您的服务器。您还可以查看 FireBase功能（测试版）以轻松实现服务器。

To manage events periodically/scheduled you must implement & deploy your Server somewhere.You can also check FireBase Functions (Beta) to easily implement Server.

向用户显示内容（Alaram / UI，如调用屏幕），以便在接收FireBase通知时启动自定义Activity.Override handleIntent 来自 FirebaseMessagingService 。所以你可以从被杀/空闲的应用程序接收数据。

To show something (Alaram/UI like calling screen) to user start your custom Activity while receiving FireBase notification.Override handleIntent from FirebaseMessagingService.So that you can receive data from your killed/idle Application.

FireBase服务是系统服务&它会一直在运行。请阅读。

FireBase Service is System Service & it will be always running.Please have a read.

代码段

@Override
public void handleIntent(Intent intent) {
    super.handleIntent(intent);
    // Get Data here
    Log.d(TAG, "intent.."+intent.getExtras());
    Intent intent1=new Intent(this,MainActivity.class);
    intent1.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    startActivity(intent1);
}

注意：某些设备（例如; ASUS的移动管理器）可能拒绝启动应用程序的接收器，而通知到达。在这种情况下，请提供适当的权限。

Note : Some devices (Eg; ASUS's Mobile Manager) may reject to start Application's receiver while , Notification arrives.In that case please provide appropriate permissions.

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