Google v3 reverse geocoding api

gistfile1.m

// on button click, get and display user location to view

- (void)cityStateFinder
{
    NSLog(@"%s [Line %d]", __PRETTY_FUNCTION__, __LINE__);
    
    // init location
    
    locationManager.desiredAccuracy = kCLLocationAccuracyBest;
    locationManager.distanceFilter = kCLDistanceFilterNone;
    locationManager.delegate = self;
    [locationManager startUpdatingLocation];
 
}

#pragma mark CLLocation delegate
- (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation
{
    NSLog(@"%s [Line %d]", __PRETTY_FUNCTION__, __LINE__);
    CLLocation* location = [manager location];
    CLLocationCoordinate2D coordinate = [location coordinate];
    
    NSString* urlString = [NSString stringWithFormat:@"http://maps.googleapis.com/maps/api/geocode/json?latlng=%f,%f&sensor=true", coordinate.latitude, coordinate.longitude]; // lat then long
    
    NSURLRequest* request = [NSURLRequest requestWithURL:[NSURL URLWithString:urlString]];
    
    [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {
        if (data) {
            NSDictionary* responseDictionary = [NSJSONSerialization JSONObjectWithData:data options:0 error:nil];
            
            NSString* results = [NSString stringWithFormat:@"  %@", [[responseDictionary valueForKey:@"results"][1] valueForKey:@"formatted_address"]];
            
            // update gui location
            dispatch_async(dispatch_get_main_queue(), ^{
                [UIView animateWithDuration:0.3f animations:^{
                    locationField.text = results;
                }];
            });
        }
    }];
    
    [locationManager stopUpdatingLocation];
}