backgroundservice still active and power drain

[fajabird]

With betterbatterystats in have monitored that vanilla music sometimes was still active after unplugging the headset while phone was locked like it was still playing but muted in background.

[adrian-bl]

Yeah, there seems to be a 'wakelock leak' if vanilla stops due to unplugged headphones.

I didn't have the time to really debug it yet (it's pretty time consuming as it only seems to happen sometimes) but it's on my todo list.

[klyc]

Same issue here for a sgs2 android 4.2.1.
The battery was drained from 100% to 0% in about 9 hours.
Anyway, thanks for this cool app.

[adrian-bl]

Ok, this was a real pain to debug, but i think that this commit fixes the issue:
adrian-bl/vanilla@0e60e51

I will close the bug after the next version has been released on the play store.

[adrian-bl]

Version 0.9.18 was released, closing the bug