Android 如何在后台执行自定义打开/关闭推送通知和终止

我需要开发自定义关闭/打开推送通知。我从SharedReferences获得的值“开”或“关”

在前台，关闭选项很有效，因为它可以在onMessageReceived中设置

但是如何在Kill和Background模式下实现这一点呢

我使用邮递员发送推送通知

我在FMC中的代码：

class MyFirebaseMessagingService : FirebaseMessagingService() {

private val CURRENT_PUSH = "currentPush"
private var sPref: SharedPreferences? = null

override fun onMessageReceived(remoteMessage: RemoteMessage?) {
    super.onMessageReceived(remoteMessage)

    if(loadCurrentPushNotification()) {
        if (remoteMessage!!.data != null) sendNotification(remoteMessage)
    }
}

private fun sendNotification(remoteMessage: RemoteMessage) {
    val data = remoteMessage.data

    val title = data["title"]
    val content = data["content"]

    val notificationManager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
    val NOTIFICATION_CHANNEL_ID = "1234"

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
        @SuppressLint("WrongConstant") val notificationChannel = NotificationChannel(NOTIFICATION_CHANNEL_ID,
                "SA Notification",
                NotificationManager.IMPORTANCE_MAX)

        notificationChannel.description = "SA channel notification"
        notificationChannel.enableLights(true)
        notificationChannel.lightColor = Color.RED
        notificationChannel.vibrationPattern = longArrayOf(0, 1000, 500, 1000)
        notificationChannel.enableVibration(true)

        notificationManager.createNotificationChannel(notificationChannel)
    }


    val notificationBuilder = NotificationCompat.Builder(this, NOTIFICATION_CHANNEL_ID)

    notificationBuilder.setAutoCancel(true)
            .setDefaults(Notification.DEFAULT_ALL)
            .setWhen(System.currentTimeMillis())
            .setSmallIcon(R.drawable.sa_launcher)
            .setContentTitle(title)
            .setContentText(content)
            .setContentInfo("Breaking")

    notificationManager.notify(1, notificationBuilder.build())
}

private fun loadCurrentPushNotification(): Boolean { //to read the status push notification from SharedPreferences
    sPref = getSharedPreferences("pushesOnOff", Context.MODE_PRIVATE)
    return sPref!!.getBoolean(CURRENT_PUSH, true)
}

}

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我怀疑推送通知负载/内容包含

通知

键

通知：{
“标题”：“这是标题”
}

如果这是真的，那么当您的应用程序被终止时，您将不会收到

onMessageReceived

回调，因此您的检查将不起作用。为了防止出现这种情况，请从有效负载中删除

通知

，只发送

数据

，并且在android端它应该可以正常工作，不会发生任何更改

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您可以准确地了解这种行为。谢谢