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Başlayın
Örnek kodu denemeden önce geliştirme ortamınızı yapılandırmanız gerekir.
Daha fazla bilgi için iOS için Haritalar SDK'sı kod örnekleri başlıklı makaleyi inceleyin.
Kodu görüntüleme
Swift
import GoogleMaps
import UIKit
// Sample code for GeoCoder service.
class GeocoderViewController: UIViewController {
private lazy var mapView: GMSMapView = {
let camera = GMSCameraPosition(latitude: -33.868, longitude: 151.2086, zoom: 12)
return GMSMapView(frame: .zero, camera: camera)
}()
private lazy var geocoder = GMSGeocoder()
override func loadView() {
view = mapView
mapView.delegate = self
}
}
extension GeocoderViewController: GMSMapViewDelegate {
func mapView(_ mapView: GMSMapView, didLongPressAt coordinate: CLLocationCoordinate2D) {
// On a long press, reverse geocode this location.
geocoder.reverseGeocodeCoordinate(coordinate) { response, error in
guard let address = response?.firstResult() else {
let errorMessage = error.map { String(describing: $0) } ?? "<no error>"
print(
"Could not reverse geocode point (\(coordinate.latitude), \(coordinate.longitude)): \(errorMessage)"
)
return
}
print("Geocoder result: \(address)")
let marker = GMSMarker(position: address.coordinate)
marker.appearAnimation = .pop
marker.map = mapView
guard let lines = address.lines, let title = lines.first else { return }
marker.title = title
if lines.count > 1 {
marker.snippet = lines[1]
}
}
}
}
Objective-C
#import "GoogleMapsDemos/Samples/GeocoderViewController.h"
#import <GoogleMaps/GoogleMaps.h>
@implementation GeocoderViewController {
GMSMapView *_mapView;
GMSGeocoder *_geocoder;
}
- (void)viewDidLoad {
[super viewDidLoad];
GMSCameraPosition *camera = [GMSCameraPosition cameraWithLatitude:-33.868
longitude:151.2086
zoom:12];
_mapView = [GMSMapView mapWithFrame:CGRectZero camera:camera];
_mapView.delegate = self;
_geocoder = [[GMSGeocoder alloc] init];
self.view = _mapView;
}
- (void)mapView:(GMSMapView *)mapView didLongPressAtCoordinate:(CLLocationCoordinate2D)coordinate {
// On a long press, reverse geocode this location.
__weak __typeof__(self) weakSelf = self;
GMSReverseGeocodeCallback handler = ^(GMSReverseGeocodeResponse *response, NSError *error) {
[weakSelf handleResponse:response coordinate:coordinate error:error];
};
[_geocoder reverseGeocodeCoordinate:coordinate completionHandler:handler];
}
- (void)handleResponse:(nullable GMSReverseGeocodeResponse *)response
coordinate:(CLLocationCoordinate2D)coordinate
error:(nullable NSError *)error {
GMSAddress *address = response.firstResult;
if (address) {
NSLog(@"Geocoder result: %@", address);
GMSMarker *marker = [GMSMarker markerWithPosition:address.coordinate];
NSArray<NSString *> *lines = [address lines];
marker.title = [lines firstObject];
if (lines.count > 1) {
marker.snippet = [lines objectAtIndex:1];
}
marker.appearAnimation = kGMSMarkerAnimationPop;
marker.map = _mapView;
} else {
NSLog(@"Could not reverse geocode point (%f,%f): %@", coordinate.latitude, coordinate.longitude,
error);
}
}
@end
Tam örnek uygulamayı yerel olarak çalıştırma
iOS için Haritalar SDK'sı örnek uygulaması, GitHub'dan indirme arşivi olarak edinilebilir.
iOS için Haritalar SDK'sı örnek uygulamasını yüklemek ve denemek için aşağıdaki adımları uygulayın.
- Örnekler deposunu yerel bir dizine klonlamak için
git clone https://github.com/googlemaps-samples/maps-sdk-for-ios-samples.git
komutunu çalıştırın.
Bir terminal penceresi açın, örnek dosyaları klonladığınız dizine gidin ve GoogleMaps dizinine inin:
Swift
cd maps-sdk-for-ios-samples-main/GoogleMaps-Swift
pod install
open GoogleMapsSwiftDemos.xcworkspace
Objective-C
cd maps-sdk-for-ios-samples-main/GoogleMaps
pod install
open GoogleMapsDemos.xcworkspace
- Xcode'da, derleme düğmesine basarak mevcut şemayla uygulamayı oluşturun. Derleme, Swift için
SDKConstants.swift
dosyasında veya Objective-C için SDKDemoAPIKey.h
dosyasında API anahtarınızı girmenizi isteyen bir hata oluşturur.
- iOS için Haritalar SDK'sının etkinleştirildiği projenizden API anahtarı alın.
- Swift için
SDKConstants.swift
dosyasını veya Objective-C için SDKDemoAPIKey.h
dosyasını düzenleyin ve API anahtarınızı apiKey
veya kAPIKey
sabitinin tanımına yapıştırın. Örneğin:
Swift
static let apiKey = "YOUR_API_KEY"
Objective-C
static NSString *const kAPIKey = @"YOUR_API_KEY";
SDKConstants.swift
dosyasında (Swift) veyaSDKDemoAPIKey.h
dosyasında (Objective-C), kullanıcı tanımlı sorunu kaydetmek için kullanıldığından aşağıdaki satırı kaldırın:
Swift
#error (Register for API Key and insert here. Then delete this line.)
Objective-C
#error Register for API Key and insert here.
- Projeyi oluşturup çalıştırın. iOS simülatör penceresi açılır ve Haritalar SDK'sı Demoları listesi gösterilir.
- iOS için Haritalar SDK'sının bir özelliğini denemek üzere gösterilen seçeneklerden birini belirleyin.
- GoogleMapsDemos'un konumunuza erişmesine izin vermeniz istenirse İzin ver'i seçin.
Aksi belirtilmediği sürece bu sayfanın içeriği Creative Commons Atıf 4.0 Lisansı altında ve kod örnekleri Apache 2.0 Lisansı altında lisanslanmıştır. Ayrıntılı bilgi için Google Developers Site Politikaları'na göz atın. Java, Oracle ve/veya satış ortaklarının tescilli ticari markasıdır.
Son güncelleme tarihi: 2025-08-31 UTC.
[null,null,["Son güncelleme tarihi: 2025-08-31 UTC."],[[["\u003cp\u003eThis code demonstrates reverse geocoding, converting coordinates to a human-readable address when a user long-presses a location on a Google Map.\u003c/p\u003e\n"],["\u003cp\u003eUpon a long press, a marker with an info window displaying the address is placed on the map at the specified coordinates.\u003c/p\u003e\n"],["\u003cp\u003eTo run the code, you need to configure your development environment with the Maps SDK for iOS and obtain a Google Maps API key.\u003c/p\u003e\n"],["\u003cp\u003eThe sample app provides various demos showcasing different features of the Maps SDK for iOS, accessible after building and running the project.\u003c/p\u003e\n"]]],["Upon a long press on the map, the gesture's coordinates are sent to the reverse geocoding service. A successful response results in a marker being added to the map at that location. The marker's info window then displays the address obtained from the service. The marker's title shows the first line of the address and the marker snippet displays the second line of the address if present.\n"],null,["**European Economic Area (EEA) developers** If your billing address is in the European Economic Area, effective on 8 July 2025, the [Google Maps Platform EEA Terms of Service](https://cloud.google.com/terms/maps-platform/eea) will apply to your use of the Services. Functionality varies by region. [Learn more](/maps/comms/eea/faq).\n\nWhen the map is long pressed, the coordinates of the gesture are sent to the reverse geocoding service. If successful, a marker with an info window containing the result is added to the map.\n\nGet started\n\nBefore you can try the sample code, you must configure your development environment.\nFor more information, see [Maps SDK for iOS code samples](/maps/documentation/ios-sdk/examples).\n\nView the code \n\nSwift \n\n```swift\nimport GoogleMaps\nimport UIKit\n\n// Sample code for GeoCoder service.\nclass GeocoderViewController: UIViewController {\n\n private lazy var mapView: GMSMapView = {\n let camera = GMSCameraPosition(latitude: -33.868, longitude: 151.2086, zoom: 12)\n return GMSMapView(frame: .zero, camera: camera)\n }()\n\n private lazy var geocoder = GMSGeocoder()\n\n override func loadView() {\n view = mapView\n mapView.delegate = self\n }\n}\n\nextension GeocoderViewController: GMSMapViewDelegate {\n func mapView(_ mapView: GMSMapView, didLongPressAt coordinate: CLLocationCoordinate2D) {\n // On a long press, reverse geocode this location.\n geocoder.reverseGeocodeCoordinate(coordinate) { response, error in\n guard let address = response?.firstResult() else {\n let errorMessage = error.map { String(describing: $0) } ?? \"\u003cno error\u003e\"\n print(\n \"Could not reverse geocode point (\\(coordinate.latitude), \\(coordinate.longitude)): \\(errorMessage)\"\n )\n return\n }\n print(\"Geocoder result: \\(address)\")\n let marker = GMSMarker(position: address.coordinate)\n marker.appearAnimation = .pop\n marker.map = mapView\n\n guard let lines = address.lines, let title = lines.first else { return }\n marker.title = title\n if lines.count \u003e 1 {\n marker.snippet = lines[1]\n }\n }\n }\n}https://github.com/googlemaps-samples/maps-sdk-for-ios-samples/blob/86408feffd008565cd2cafce8aff3dc27f1f41bb/GoogleMaps-Swift/GoogleMapsSwiftDemos/Swift/Samples/GeocoderViewController.swift#L14-L56\n \n```\n\nObjective-C \n\n```objective-c\n#import \"GoogleMapsDemos/Samples/GeocoderViewController.h\"\n\n#import \u003cGoogleMaps/GoogleMaps.h\u003e\n\n@implementation GeocoderViewController {\n GMSMapView *_mapView;\n GMSGeocoder *_geocoder;\n}\n\n- (void)viewDidLoad {\n [super viewDidLoad];\n GMSCameraPosition *camera = [GMSCameraPosition cameraWithLatitude:-33.868\n longitude:151.2086\n zoom:12];\n\n _mapView = [GMSMapView mapWithFrame:CGRectZero camera:camera];\n _mapView.delegate = self;\n\n _geocoder = [[GMSGeocoder alloc] init];\n\n self.view = _mapView;\n}\n\n- (void)mapView:(GMSMapView *)mapView didLongPressAtCoordinate:(CLLocationCoordinate2D)coordinate {\n // On a long press, reverse geocode this location.\n __weak __typeof__(self) weakSelf = self;\n GMSReverseGeocodeCallback handler = ^(GMSReverseGeocodeResponse *response, NSError *error) {\n [weakSelf handleResponse:response coordinate:coordinate error:error];\n };\n [_geocoder reverseGeocodeCoordinate:coordinate completionHandler:handler];\n}\n\n- (void)handleResponse:(nullable GMSReverseGeocodeResponse *)response\n coordinate:(CLLocationCoordinate2D)coordinate\n error:(nullable NSError *)error {\n GMSAddress *address = response.firstResult;\n if (address) {\n NSLog(@\"Geocoder result: %@\", address);\n\n GMSMarker *marker = [GMSMarker markerWithPosition:address.coordinate];\n NSArray\u003cNSString *\u003e *lines = [address lines];\n\n marker.title = [lines firstObject];\n if (lines.count \u003e 1) {\n marker.snippet = [lines objectAtIndex:1];\n }\n\n marker.appearAnimation = kGMSMarkerAnimationPop;\n marker.map = _mapView;\n } else {\n NSLog(@\"Could not reverse geocode point (%f,%f): %@\", coordinate.latitude, coordinate.longitude,\n error);\n }\n}\n\n@end \nhttps://github.com/googlemaps-samples/maps-sdk-for-ios-samples/blob/86408feffd008565cd2cafce8aff3dc27f1f41bb/GoogleMaps/GoogleMapsDemos/Samples/GeocoderViewController.m#L16-L71\n\n \n```\n\nRun the full sample app locally\n\nThe Maps SDK for iOS sample app is available as a\n[download archive](https://github.com/googlemaps-samples/maps-sdk-for-ios-samples/archive/main.zip)\nfrom [GitHub](https://github.com/googlemaps-samples/maps-sdk-for-ios-samples/tree/main/GoogleMaps).\nFollow these steps to install and try the Maps SDK for iOS sample app.\n\n1. Run `git clone https://github.com/googlemaps-samples/maps-sdk-for-ios-samples.git` to clone the samples repository into a local directory.\n2. Open a terminal window, navigate to the directory where you cloned the sample files, and\n drill down into the GoogleMaps directory:\n\n Swift \n\n cd maps-sdk-for-ios-samples-main/GoogleMaps-Swift\n pod install\n open GoogleMapsSwiftDemos.xcworkspace\n\n Objective-C \n\n cd maps-sdk-for-ios-samples-main/GoogleMaps\n pod install\n open GoogleMapsDemos.xcworkspace\n\n3. In Xcode, press the compile button to [build the app](https://developer.apple.com/documentation/xcode/building-and-running-an-app) with the current scheme. The build produces an error, prompting you to enter your API key in the `SDKConstants.swift` file for Swift or`SDKDemoAPIKey.h` file for Objective-C.\n4. [Get an API key](/maps/documentation/ios-sdk/get-api-key) from your project with the [Maps SDK for iOS enabled](/maps/documentation/ios-sdk/cloud-setup#enabling-apis).\n5. Edit the `SDKConstants.swift` file for Swift or`SDKDemoAPIKey.h` file for Objective-C and paste your API key into the definition of either the `apiKey` or `kAPIKey` constant. For example: \n\n Swift \n\n ```scdoc\n static let apiKey = \"YOUR_API_KEY\"\n ```\n\n Objective-C \n\n ```objective-c\n static NSString *const kAPIKey = @\"YOUR_API_KEY\";\n ```\n6. In the `SDKConstants.swift` file (Swift) or`SDKDemoAPIKey.h` file (Objective-C), remove the following line, because it's used to register the user-defined issue: \n\n Swift \n\n ```text\n #error (Register for API Key and insert here. Then delete this line.)\n ```\n\n Objective-C \n\n ```text\n #error Register for API Key and insert here.\n ```\n7. Build and run the project. The iOS simulator window appears, showing a list of **Maps SDK Demos**.\n8. Choose one of the options displayed, to experiment with a feature of the Maps SDK for iOS.\n9. If prompted to allow GoogleMapsDemos to access your location, choose **Allow**."]]