New companion app (Android)

[Pierre-Yves Chibon]

On Mon, 2013-02-04 at 16:45 +1100, Linus Torvalds wrote:
> 
>  - after using the application, the GPS stays on (ie the circle in the
> status bar). The app doesn't show in the list of currently running
> applications, but I had the GPS enabled several hours after having
> used the app. Maybe it needs to tell the system that it is done with
> the GPS or something? 

I wonder if we could do something like:
- when starting the app, check GPS status
- if GPS is already on, when closing the app, leave the GPS on
- if GPS was not on, turn it on and when closing the app, stop the GPS.

Pierre