Objective-C: Finding User Location (Not on a Map) - ios

Question

I am trying to make my app find a user's location in an address-like form (located after the "Reverse Geocoding" comment). Below is my code:
- (IBAction)getuserlocation:(id) sender{
//Getting Location
locationManager.delegate = self;
locationManager.desiredAccuracy = kCLLocationAccuracyBest;
[locationManager startUpdatingLocation];
NSLog(address);
}
#pragma mark - CLLocationManagerDelegate
- (void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error
{
NSLog(#"didFailWithError: %#", error);
UIAlertView *errorAlert = [[UIAlertView alloc]
initWithTitle:#"Error" message:#"Failed to Get Your Location" delegate:nil cancelButtonTitle:#"OK" otherButtonTitles:nil];
[errorAlert show];
}
- (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation
{
NSLog(#"didUpdateToLocation: %#", newLocation);
CLLocation *currentLocation = newLocation;
if (currentLocation != nil) {
longitude = [NSString stringWithFormat:#"%.8f", currentLocation.coordinate.longitude];
latitude = [NSString stringWithFormat:#"%.8f", currentLocation.coordinate.latitude];
}
// Stop Location Manager
[locationManager stopUpdatingLocation];
// Reverse Geocoding
NSLog(#"Resolving the Address");
[geocoder reverseGeocodeLocation:currentLocation completionHandler:^(NSArray *placemarks, NSError *error) {
NSLog(#"Found placemarks: %#, error: %#", placemarks, error);
if (error == nil && [placemarks count] > 0) {
placemark = [placemarks lastObject];
address = [NSString stringWithFormat:#"%# %#\n%# %#\n%#\n%#",
placemark.subThoroughfare, placemark.thoroughfare,
placemark.postalCode, placemark.locality,
placemark.administrativeArea,
placemark.country];
} else {
NSLog(#"%#", error.debugDescription);
}
} ];
}
My issue is that the compiler only prints out "(null)". (The line where I do this is located in the "getuserlocation" IBAction.) I'm not sure why this is. I've tested the app on an actual iPhone 6 Plus, which unlike the simulator, has access to location services.
If anyone would be able to point out where the error/problem in my code is, causing it to print out null, I would greatly appreciate it. Thanks in advance to all who reply.
***BTW: The following lines are in my viewDidLoad section:
locationManager = [[CLLocationManager alloc] init];
geocoder = [[CLGeocoder alloc] init];

Answer 1

You are logging address long before you get a location and convert it to an address.
Move the NSLog(address); to just after where you actually assign a value to address.
BTW - it should be more like: NSLog(#"Address: %#, address);.