Get User location alert does not stay on screen in iOS 8

Question

I am trying to get authorization from user before fetching his location. I am using this code for that:

        self.locationManager  = [[CLLocationManager alloc] init];
        [self.locationManager setDelegate:self];
        if ([self.locationManager respondsToSelector:@selector(requestAlwaysAuthorization)]) {
            // iOS8+
            // Sending a message to avoid compile time error
            [self.locationManager requestAlwaysAuthorization];
        }
        [self showIndicatorView];
        self.getCityService = [[GetCitiesService alloc] initServiceWithDelegate:self isLocalCall:NO];
        [self.getCityService fetchCities];

I see the alert on screen but before I allow it or not, it disappear form screen and app is not authorized.

I want my code to stop until user gives permission.

Answer 1

You code looks really weird, since you seem to be calling the requestAlwaysAuthorization twice. Once on self.locationManager and once via the sendAction.

You code should look like:

    self.locationManager  = [[CLLocationManager alloc] init];
    [self.locationManager setDelegate:self];
    if ([self.locationManager respondsToSelector:@selector(requestAlwaysAuthorization)]) {
        // iOS8+
        // Sending a message to avoid compile time error
        [self.locationManager requestAlwaysAuthorization];
    }

Answer 2

Apparently in iOS 8 SDK, requestAlwaysAuthorization (for background location) or requestWhenInUseAuthorization (location only when foreground) call on CLLocationManager is needed before starting location updates.

There also needs to be NSLocationAlwaysUsageDescription or NSLocationWhenInUseUsageDescription key in Info.plist with a message to be displayed in the prompt. Adding these solved my problem.

Hope it helps someone else.

EDIT: For more extensive information, have a look at: http://nevan.net/2014/09/core-location-manager-changes-in-ios-8/