Jan Jongboom <[email protected]> writes:

> I have the following code running in system:
>
>     var _iv;
>
>     navigator.requestWakeLock('cpu');
>     navigator.requestWakeLock('screen');
>     navigator.requestWakeLock('wifi');

Use

      var lock = navigator.requestWakeLock('cpu');

otherwise the lock is unlocked when GC'ed. Also remember to call
lock.unlock() when done using them.

>     window.on('online', () => {
>       _iv = setInterval(ping, 1500);
>     });
>     window.on('offline', () => clearInterval(_iv));
>
>     function ping() {
>       var x = new XMLHttpRequest({ mozSystem: true });
>       x.open('GET', 'http://janjongboom.com/yolo123?' + (+new Date));
>       x.send();
>     }
>
> When I now turn off the screen via |navigator.mozPower.screenEnabled = false| 
> it will stop executing my code anyway (need to not be connected to USB). It 
> also does not show up anymore in ADB when I re-plug it into USB...
>
> What am I missing?
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