Initialization of Location Services

gistfile1.m

- (void)initializeLocationServices {
    // Check to ensure location services are enabled
    if(![CLLocationManager locationServicesEnabled]) {
        [self showAlertWithMessage:@"You need to enable location services to use this app."];
        return;
    }
    
    if(![CLLocationManager regionMonitoringAvailable]) {
        [self showAlertWithMessage:@"This app requires region monitoring features which are unavailable on this device."];
        return;
    }
    
    _locationManager = [[CLLocationManager alloc] init];
    _locationManager.delegate = self;
}