How to keep get location info and add to mapview when iphone in screensaving mode

I am using

- (void)locationManager:(CLLocationManager *)manager didUpda开发者_开发技巧teToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation 

to keep receiving location information, then add annotation to MKMapView. It appears that it stop updating when iPhone screen in screen saving mode.

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Could you turn off the screensaving mode? You can do so by calling: [UIApplication sharedApplication].idleTimerDisabled = YES; This should solve your problem.