// omitted code
- (void)updateInterfaceWithLocation:(CLLocation *)lastLocation {
// we update the UILabel with the longitude and latitude values
    self.latitude.text = [NSString stringWithFormat:@"%f",lastLocation.coordinate.latitude];
    self.longitude.text = [NSString stringWithFormat:@"%f",lastLocation.coordinate.longitude];
}

// omitted code
- (IBAction)buttonPress:(id)sender {
    CLLocation *lastLocation = [NFHLocationManager sharedLocationManager].lastLocation;
    // omitted 1 line of code - it's not important for our purposes here
    [self updateInterfaceWithLocation:lastLocation];
}

@end