genericCLGeocoder.m

-(void)geocodeMe {
    CLGeocoder *geocoder = [CLGeocoder new];
    [geocoder geocodeAddressString:@"" completionHandler:^(NSArray *placemarks, NSError *error) {
        /**
         *  deprecated sample error message
         */
        if (error)
        {
                //        [self.latitudeTextField setText:@"Not found"];
                //        [self.longitudeTextField setText:@"Not found"];
                //
                //        UIAlertView *alert =
                //        [[UIAlertView alloc] initWithTitle:@"Geocoding Error"
                //                                   message:error.localizedDescription
                //                                  delegate:nil
                //                         cancelButtonTitle:@"OK"
                //                         otherButtonTitles: nil];
                //        
                //        [alert show];
            
            /**
             *  deprecated sample success completion block
             */
            if ([placemarks count] > 0) {
                    //            CLPlacemark *placemark = [placemarks lastObject];
                    //
                    //            NSString *latString =
                    //            [NSString stringWithFormat:@"%f",
                    //             placemark.location.coordinate.latitude];
                    //
                    //            [self.latitudeTextField setText:latString];
                    //
                    //            NSString *longString =
                    //            [NSString stringWithFormat:@"%f",
                    //             placemark.location.coordinate.longitude];
                    //            
                    //            [self.longitudeTextField setText:longString];
            }
        }
        
    }];

    [geocoder reverseGeocodeLocation:nil completionHandler:^(NSArray *placemarks, NSError *error) {
            //ditto
        }];
}