ios - Keep an app active in the background? -


i have volume control app in ios store, 1 problem users have device kicks memory control. there way either force stay active (by permission) or @ least alert user when no longer active or in danger?

all answers under background execution in ios developer library.

of course, here's philosophy:

always try avoid doing background work unless doing improves overall user experience.

see table 3-1 types of background execution. there's category audio requires audio played app. not sound app fits in here. you'll want @ notifying user.

you send notification user when app falls background applicationdidenterbackground(), or before quits applicationwillterminate(), supposedly time-permitting.


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