Android Question Service is not terminated

[Deleted member 103]

Hi,

Can someone tell me why the service is not finished?
In the sub "Activity_Pause" it should be terminated but will not (see screenshot).

Sub Activity_Pause (UserClosed As Boolean)
    If UserClosed Then
'        Log("UserClosed=" & UserClosed)

        mBBL.goWriteIniFile
       
        PhoneAwake.ReleaseKeepAlive

        'Bluetooth verbindung aufheben
        Starter.bluetooth.DestroyConnection

        If Starter.GPS1.GPSEnabled Then
            Starter.GPS1.stop
            Starter.GPS_On = False
        End If   
       
        'Service beenden
        StopService(Starter)
        StopService(smAtomtime)
       
        ExitApplication
    Else
        Starter.IsStartEnabled = tbtnStart.Enabled
    End If
End Sub

 

[DonManfred]

Dont start or stop the starter service manually. You should not do it.

 

[Deleted member 103]

Dont start or stop the starter service manually. You should not do it.

Why not? What speaks against it?
I just want to quit my app with all the services, it has worked well until B4a 7.01.

 

[DonManfred]

I have in mind that Erel answered this a few times in the past.
i could not find it as yet. Only this https://www.b4x.com/android/forum/threads/problem-with-starter-service.71420/#post-453846
I can´t answer the WHY, sorry.

 

[Erel]

If you are stopping it before exiting your app then it is fine to stop the starter service.

 

[Deleted member 103]

If you are stopping it before exiting your app then it is fine to stop the starter service.

I am already doing this in Sub "Activity_Pause",
but the service will not end.

 

[Erel]

As I'm sure you know, you shouldn't call ExitApplication. This kills the process instead of letting the OS handle the process life cycle. In this case it probably kills it before the service was stopped so Android recreates it.

 

[Deleted member 103]

Do you mean that it is not processed in this order?

        'Service beenden
        StopService(Starter)
        StopService(smAtomtime)
      
        ExitApplication

 

[Erel]

You are trying to solve a non-existent problem. By doing so you are adding real problems to your app.

1. It is a mistake to call ExitApplication (in almost all cases).
2. You don't need to worry about services kept alive by the OS. This is the responsibility of the OS to kill the process when the app is in the background.

Do you mean that it is not processed in this order?

StopService, like StartService and StartActivity, sends a message to the system. Only when this message is processed will the service be stopped.

 

[Deleted member 103]

1. It is a mistake to call ExitApplication (in almost all cases).

I have noticed that without "ExitApplication" my GPS is often not terminated, so I try to finish everything manually.

 

[tigrot]

Hi Filippo
There must be something odd in you code. I have seen that if I start twice the GPS in same process and terminate it only once the GPS continues to work.
Check your code...

 

[Deleted member 103]

Hi Filippo
There must be something odd in you code. I have seen that if I start twice the GPS in same process and terminate it only once the GPS continues to work.
Check your code...

Thanks, I'll have to check.

 

[Erel]

See the updated GPS example: https://www.b4x.com/android/forum/threads/gps-tutorial.6592/
It handles this case.

 

[Deleted member 103]

See the updated GPS example: https://www.b4x.com/android/forum/threads/gps-tutorial.6592/
It handles this case.

Thanks, now I've learned something new.

 

[tigrot]

Doing IT jobs it's always time for learning!