Wondering about iOS background tasks

Earthednet-wp prothero at earthednet.org
Tue Oct 4 10:48:10 EDT 2016


Thanks, Henry!
I guess that saves the security risk of having apps run in the background and potentially causing security problems. It makes sense.
Thanks again,
Bill

William Prothero
http://es.earthednet.org

> On Oct 4, 2016, at 1:13 AM, Mark Wilcox <mark at sorcery-ltd.co.uk> wrote:
> 
>> On Mon, Oct 3, 2016, at 06:17 PM, William Prothero wrote:
>> Folks:
>> My currently finished app needs to run continuously, as it must play a
>> series of audio files. I found that, in iOS, audio will play when the app
>> goes to the background, but the app is only completing the current audio
>> file and the next one isn’t loaded, because the app isn’t really running.
>> I solved this by setting mobileLockIdleTimer. This keeps the app in the
>> front and it is what I want. Problem solved.
> 
> Just FYI, mobileLockIdleTimer will prevent the device locking and
> turning off the screen, which is a real battery killer. A mobile device
> can play audio with the screen off for many, many hours. Of course if
> you actually need the screen on, no problem.
> 
> On iOS, assuming you have the audio background mode set (in the
> info.plist), the device doesn't suspend your app while it's still
> playing audio. It may be the case that the way LiveCode works with audio
> APIs, or the way you're using them, means you stop playing between
> tracks for too long, so the system assumes the audio is finished. Might
> be worth further investigation.
> 
> -- 
>  Mark Wilcox
>  mark at sorcery-ltd.co.uk
> 
> 
> 
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