Android Question Notification persists (b4a 8.0 - android 8)

#Region  Service Attributes
    #StartAtBoot: False
#End Region

Sub Process_Globals
    Dim fm As FirebaseMessaging
End Sub

Sub Service_Create
    fm.Initialize("fm")
    Service.AutomaticForegroundMode=Service.AUTOMATIC_FOREGROUND_ALWAYS
End Sub

Public Sub SubscribeToTopics
    fm.SubscribeToTopic("ypiresia") 'you can subscribe to more topics
    fm.SubscribeToTopic("anakoinosi")
End Sub

Sub Service_Start (StartingIntent As Intent)
    If StartingIntent.IsInitialized And fm.HandleIntent(StartingIntent) Then Return
    Sleep(0) 'allow the MessageReceived event to be raised.
    Service.StopAutomaticForeground
    StopService(Me)
End Sub

Sub fm_MessageArrived (Message As RemoteMessage)
    Log("Message arrived")
    Log($"Message data: ${Message.GetData}"$)
    Dim n As Notification
    n.Initialize2(n.IMPORTANCE_DEFAULT)
    n.AutoCancel=True
    n.Icon = "icon"
    n.SetInfo(Message.GetData.Get("title"), Message.GetData.Get("body"), Main)
    Service.StartForeground(1,n)
End Sub

Sub Service_Destroy

End Sub