How to maintain NSTimer when iPhone in deep sleep?

Question

I'm making a tweak which lock screen and using NSTimer to unlock screen on time like 5 minutes delay. But the powerd of system will get iPhone into deep sleep and stop NSTimer , so the tweak can't unlock screen on time.
Anyone have idea to fix it?
A lot Appreciate!

Answer 1

The system uses an idle timer to determine when to put the device to sleep, in you app you can disable this by setting

UIApplication.sharedApplication().idleTimerDisabled = true

This will stop the system from putting the phone to sleep while your app is running.