When you turn off your iPhone while an app is running, that app gets sent an “applicationWillResignActive” message to tell it to stop running things like recurring timers or whatnot. I just recently noticed that a certain exploding dice game does not properly do this when I continued to hear a tick-tick-ticking even after I turned off the phone. So … umm, yeah, make sure your apps don’t do that.
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One response to “applicationWillResignActive”
Now, some apps will want to not resign active. Pandora, iPod, GPS navigation. Stuff like that you know.