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Same way-service.
link: Where is it?

Use CallSubDelayed(Main, "sendSMS"), it brings the activity in foreground.
link: ... because you cannot run an activity sub if the activity is in background (you can run routines of code modules or of service modules).
link: is the way to run an Activity routine. This means that something is wrong in your code; this is a different question, which requires a new thread.
link: I would pay attention to the job.release; often it is better to store the result and immediately release the job (you run other routines before releas

So the second one.
link: Nothing. Only if you create a foreground service code module, but since you don't know what they are, it's obvious that you don't.
link: I'll try one last time (I'm not an expert on this topic). If your app HAS a foreground service (search on site to find out what it is; in short, a se
link: It is used by Firebase Messaging.

Thanks, Alessandro, but that's not what I meant. Referring to that pre-installed "Alarm Clock" app, on the system bar that is not a notification and doesn't behave like one, yet the app remains active in the background without the OS deleting it (it's a system icon, in fact it's on the right). It
link: For various reasons, I started "playing" with Foreground Services, to try to keep an app / service always alive. From what I understand, it is necess

Um... the Starter service exists only in B4A.

Service_Create starts one time only. If you rotate the device, the Activity will be created again but the service, still running, will not fill the listview. You can simply stop the service before starting it: StopService(svc) StartService(svc) It works in this case, but probably you will need to
link: Because there are the LoadLayout statements in the Activity_Create, which is executed again

A service is not an activity :)
link: I thought you were talking only about activities.

If the problem was the place where you declared and initialized your db you would receive a different error, for example db not initialized. Maybe you're using a different version of your project, where the query is incorrect. What is the complete b4a statement?
link: Sorry Luca, but i did not get that. Here is my line that cause ecxeption: m = DBUtils.ExecuteMap(Starter.SQL1, "SELECT id, erwthsh, apantisi1, apa

' Your service CallSubDelayed2(ActivityName, "ActivityRoutineName", AnyTypeOfData) ' Your ActivityName Activity Sub ActivityRoutineName(Data As xxx) End Sub

The Starter Service is also a good place (probably the best one).

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