NOTE: NOW THIS ANSWER IS ONLY VALID FOR ANDROID 7 AND BELOW. SINCE ANDROID 8 GOOGLE HAS CHANGED HOW BACKGROUND TASKS ARE HANDLED Since I posted this question, I have implemented two different approaches to this solution into multiple apps. APPROACH 1 This extract is from an app where I use push notifications, which need … Read more
With all due respect to the users of pgrep, pkill, ps | awk, etc, there is a much better way. Consider that if you rely on ps -aux | grep … to find a process you run the risk of a collision. You may have a use case where that is unlikely, but as a … Read more
In my opinion this is the most tricky/hard part of a mainstream/average Android development. For instance on BlackBerry this is IN TIMES easier. Definitely you need to use a Service. AsyncTask does not suit, because it is tightly “bound” to your Activity via a Context handle (otherwise you would not be able to update UI … Read more
Just use a thread. import threading t = threading.Thread(target=long_process, args=args, kwargs=kwargs) t.setDaemon(True) t.start() return HttpResponse() See this question for more details: Can Django do multi-thread works?
If you want to let your VOIP application run in background , except those base settings in plist file, you need a TCP socket who’s property is set to VOIP, than the iOS system will take care this socket for you, when your application enter background , every thing was ‘sleep’ except that tcp socket. … Read more
As long as you are working on a POSIX OS you can use fork and exec. fork = Create a subprocess exec = Replace current process with another process You then need to inform that your main-process is not interested in the created subprocesses via Process.detach. job1 = fork do exec “/path/to/daemon01” end Process.detach(job1) …
If you go through THE LINK, you will find: Unfortunately, some devices implement killing the app from the recents menu as a force stop. Stock Android does not do this. When an app is force stopped, it cannot execute jobs, receive alarms or broadcasts, etc. So unfortunately, it’s infeasible for us to address it – … Read more
Despite its name, beginBackgroundTaskWithExpirationHandler: does not actually “begin” a task. It might be better thought of as “register…” rather than “begin….” You’re just telling the system that you’re in the middle of doing something that would like to complete if that’s ok. Several points: In almost all cases, you want to call beginBackgroundTaskWithExpirationHandler: when you … Read more
I believe the command you are looking for is start /b *command* For unix, nohup represents ‘no hangup’, which is slightly different than a background job (which would be *command* &. I believe that the above command should be similar to a background job for windows.
On Windows, you can use pythonw.exe in order to run a python script as a background process: Python scripts (files with the extension .py) will be executed by python.exe by default. This executable opens a terminal, which stays open even if the program uses a GUI. If you do not want this to happen, use … Read more