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/*
 * Several methods from CoreLocation were deprecated in iOS 7. Some were replaced 
 * by methods in other classes. Here are some very bare notes describing how to 
 * circumscribe a region and then use that region to do geofencing.
 */

static NSString *ExeterAppleStoreRegion = @"XYZMyAppExeterAppleStoreRegion";

CLLocationCoordinate2D center = CLLocationCoordinate2DMake(50.72451, -3.52788);
CLLocationDistance radius = 30.0;
    
CLCircularRegion *region = [[CLCircularRegion alloc] initWithCenter:center
                                                            radius:radius
                                                        identifier:ExeterAppleStoreRegion];
                                                        
if ([CLLocationManager isMonitoringAvailableForClass:[region class]]) {
    // Apple's documentation says to check authorization after determining monitoring is available.
    if ([CLLocationManager authorizationStatus] == kCLAuthorizationStatusAuthorized) {
        [[self locationManager] startMonitoringForRegion:region];
    }
}