CODEWITHSUNDEEP
iosbackgroundgpsmonitoring
jianhua
jianhua

Reputation: 1011

GPS monitoring in background mode for iOS

I want to implement a feature on iOS to notify user when reach a special location (such as a bus station, don't miss it), it is easy if user always put app in foreground mode, using GPS location to detect whether arrived nearly or not. The key point is how to achieve it in background mode.

One possible solution is to update GPS in background mode, something like map navigation APP, but as you know GPS is power killer, user may not like it.

See CoreLocation API, found the following delegate callbacks, I am not sure whether they work well in background mode. Any idea on this topic please share and discuss together and thanks in advance. 

- (void)locationManager:(CLLocationManager *)manager
didEnterRegion:(CLRegion *)region __OSX_AVAILABLE_STARTING(__MAC_10_7,__IPHONE_4_0);    


- (void)locationManager:(CLLocationManager *)manager
didStartMonitoringForRegion:(CLRegion *)region __OSX_AVAILABLE_STARTING(__MAC_TBD,__IPHONE_5_0);

Upvotes: 0

Views: 356

Answers (1)

Paulw11
Paulw11

Reputation: 115051

From the Location and Maps Programming Guide

In iOS, regions associated with your app are tracked at all times, including when the app isn’t running. If a region boundary is crossed while an app isn’t running, that app is relaunched into the background to handle the event. Similarly, if the app is suspended when the event occurs, it’s woken up and given a short amount of time (around 10 seconds) to handle the event. When necessary, an app can request more background execution time using the beginBackgroundTaskWithExpirationHandler: method of the UIApplication class.

Upvotes: 1

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