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11730264
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2012-07-30T21:55:50.070
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2012-07-30T21:55:50.070
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I believe you can use the SignificantChange API to wake an app that has been closed by the system (or crashed). But you should still look into the region monitoring because it may be closer to what you actually want. Here's the link: <a href="http://developer.apple.com/library/ios/#documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/ManagingYourApplicationsFlow/ManagingYourApplicationsFlow.html#//apple_ref/doc/uid/TP40007072-CH4-SW25" rel="nofollow">http://developer.apple.com/library/ios/#documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/ManagingYourApplicationsFlow/ManagingYourApplicationsFlow.html#//apple_ref/doc/uid/TP40007072-CH4-SW25</a> and the relevant section: <blockquote> If the app is suspended when an update occurs, the system wakes it up in the background to handle the update. If the app starts this service and is then terminated, the system relaunches the app automatically when a new location becomes available. This service is available in iOS 4 and later, and it is available only on devices that contain a cellular radio. </blockquote> When you set up your CLLocationManager just call <pre><code>- (void)startMonitoringSignificantLocationChanges </code></pre> and handle any events in the typical fashion as a delegate callback <pre><code>- (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation </code></pre> be aware that if the app was terminated, you will also get a call back to your app delegate did finish launching method. <pre><code>- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions </code></pre> I'm also pretty sure that a callback in this case will include a flag to notify you that it was launched as a result of a location update.
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1. POGeolocation on deactivated iOS application
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1. USJohn Grant
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