iphone： - MKReverseGeocoder獲取POSTALCODE，subAdministrativeArea，局部性的空值和subThoroughfare

Question

我與locationManager'sdidUpdateToLocation委託但我想知道的一些價值越來越空，而我在Device測試應用程序中使用MKReverseGeocoder。

我的代碼是貝婁： -

- (void)viewDidLoad 
{ 
    locationManager = [[CLLocationManager alloc] init]; 
    locationManager.delegate = self; 
    locationManager.desiredAccuracy = kCLLocationAccuracyNearestTenMeters; 
    [locationManager startUpdatingLocation]; 


    [super viewDidLoad]; 
} 

- (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation 
{ 
    // this creates a MKReverseGeocoder to find a placemark using the found coordinates 
    reverseGeocoder = [[MKReverseGeocoder alloc] initWithCoordinate:newLocation.coordinate]; 
    reverseGeocoder.delegate = self; 
    [reverseGeocoder start]; 
} 

- (void)reverseGeocoder:(MKReverseGeocoder *)geocoder didFailWithError:(NSError *)error 
{ 
    NSLog(@"MKReverseGeocoder has failed."); 
} 

- (void)reverseGeocoder:(MKReverseGeocoder *)geocoder didFindPlacemark:(MKPlacemark *)placemark 
{ 
    MKPlacemark * myPlacemark = placemark; 
    NSString *city = myPlacemark.thoroughfare; 
    NSString *subThrough=myPlacemark.subThoroughfare; 
    NSString *locality=myPlacemark.locality; 
    NSString *subLocality=myPlacemark.subLocality; 
    NSString *adminisArea=myPlacemark.administrativeArea; 
    NSString *subAdminArea=myPlacemark.subAdministrativeArea; 
    NSString *postalCode=myPlacemark.postalCode; 
    NSString *country=myPlacemark.country; 
    NSString *countryCode=myPlacemark.countryCode; 


    NSLog(@"city%@",city); 
    NSLog(@"subThrough%@",subThrough); 
    NSLog(@"locality%@",locality); 
    NSLog(@"subLocality%@",subLocality); 
    NSLog(@"adminisArea%@",adminisArea); 
    NSLog(@"subAdminArea%@",subAdminArea); 
    NSLog(@"postalCode%@",postalCode); 
    NSLog(@"country%@",country); 
    NSLog(@"countryCode%@",countryCode); 

} 

輸出

cityDrive-in Road

subThrough(null)

locality(null)

subLocality(null)

adminisAreaGujarat

subAdminArea(null)

postalCode(null)

countryIndia

countryCodeIN

USING CLGeocoder

- (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation 
{ 
    // this creates a MKReverseGeocoder to find a placemark using the found coordinates 
// reverseGeocoder = [[MKReverseGeocoder alloc] initWithCoordinate:newLocation.coordinate]; 
// reverseGeocoder.delegate = self; 
// [reverseGeocoder start]; 

    CLGeocoder *reverseGeo = [[CLGeocoder alloc] init]; 

    [reverseGeo reverseGeocodeLocation: newLocation completionHandler: 
    ^(NSArray *placemarks, NSError *error) { 

     NSLog(@"%@",[placemarks objectAtIndex:0]); 
     for (CLPlacemark *placemark in placemarks) { 



      NSLog(@"~~~~~~~~%@",placemark.locality); 

     } 


    }]; 
} 

OUTPUT IS:- ~~~~~~~~(null)

我上面的代碼在設備中正確的模擬器，但沒有工作.. :(請幫助和指導我正確的方式來獲得城市名稱

Answer 1

你真的不應該使用MKReverseGeocoder作爲它已被iOS5中的蘋果折舊，你應該真的使用CLGeocoder。 CLGeocode將返回基於NSArray *地標的信息，然後您可以遍歷它們並調用assoc數組中的鍵。 請通過鏈接。

CLGeoCode Class Reference

Related sample code