Register runtime receiver

override fun onCreate() {
    super.onCreate()
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
         alarmReceiver = AlarmReceiver()
         registerReceiver(
             alarmReceiver,
             IntentFilter(android.app.AlarmManager.ACTION_SCHEDULE_EXACT_ALARM_PERMISSION_STATE_CHANGED),
         )
    }
}

override fun onDestroy() {
    alarmReceiver?.let {
        Log.d(TAG, "onStop: Un-register receiver")
        unregisterReceiver(it)
    }
    super.onDestroy()
}