If you have control over the service - you are writing the java code - then you can use use Intents and BroadcastReceivers to communicate between b4a code and the service.
If you have control over the service - you are writing the java code - then you can use use Intents and BroadcastReceivers to communicate between b4a code and the service.
Yes, that was the answer I was looking for, ofcourse I can use a Broadcast reciver for the "back" communication. Sometimes the answer is so simple and you just doesn't think about it.