importGoogleMapsimportUIKitclassGestureControlViewController:UIViewController{privateletholderHeight:CGFloat=60privateletzoomLabelInset:CGFloat=16privatelazyvarmapView:GMSMapView={letcamera=GMSCameraPosition(latitude:-25.5605,longitude:133.605097,zoom:3)returnGMSMapView(frame:.zero,camera:camera)}()privatelazyvarzoomSwitch:UISwitch=UISwitch(frame:.zero)overridefuncviewDidLoad(){super.viewDidLoad()view.addSubview(mapView)letholder=UIView(frame:.zero)holder.backgroundColor=UIColor(white:1,alpha:0.8)view.addSubview(holder)letzoomLabel=UILabel(frame:.zero)zoomLabel.text="Zoom gestures"zoomLabel.font=.boldSystemFont(ofSize:18)holder.addSubview(zoomLabel)// Control zooming.holder.addSubview(zoomSwitch)zoomSwitch.addTarget(self,action:#selector(toggleZoom),for:.valueChanged)zoomSwitch.isOn=true[mapView,holder,zoomLabel,zoomSwitch].forEach({$0.translatesAutoresizingMaskIntoConstraints=false})NSLayoutConstraint.activate([mapView.leftAnchor.constraint(equalTo:view.leftAnchor),mapView.rightAnchor.constraint(equalTo:view.rightAnchor),mapView.topAnchor.constraint(equalTo:view.topAnchor),mapView.bottomAnchor.constraint(equalTo:view.bottomAnchor),holder.heightAnchor.constraint(equalToConstant:holderHeight),holder.centerXAnchor.constraint(equalTo:view.centerXAnchor),holder.widthAnchor.constraint(equalTo:view.widthAnchor),zoomLabel.leftAnchor.constraint(equalTo:holder.leftAnchor,constant:zoomLabelInset),zoomLabel.centerYAnchor.constraint(equalTo:holder.centerYAnchor),zoomSwitch.rightAnchor.constraint(equalTo:holder.rightAnchor,constant:-zoomLabelInset),zoomSwitch.centerYAnchor.constraint(equalTo:holder.centerYAnchor),])NSLayoutConstraint.activate([holder.topAnchor.constraint(equalTo:self.view.safeAreaLayoutGuide.topAnchor)])}@objcfunctoggleZoom(){mapView.settings.zoomGestures=zoomSwitch.isOn}}
אפליקציית הדוגמה של SDK של מפות ל-iOS זמינה כארכיון להורדה מ-GitHub. כך מתקינים את האפליקציה לדוגמה של Maps SDK ל-iOS ומנסים אותה.
מריצים את הפקודה git clone https://github.com/googlemaps-samples/maps-sdk-for-ios-samples.git כדי להעתיק את המאגר לדוגמה לספרייה מקומית.
פותחים חלון טרמינל, עוברים לספרייה שבה קלונתם את קובצי הדוגמה ומתעדים את ספריית Google Maps:
Swift
cd maps-sdk-for-ios-samples-main/GoogleMaps-Swift pod installopen GoogleMapsSwiftDemos.xcworkspace
Objective-C
cd maps-sdk-for-ios-samples-main/GoogleMaps pod installopen GoogleMapsDemos.xcworkspace
ב-Xcode, לוחצים על לחצן הידור כדי ליצור את האפליקציה לפי התוכנית הנוכחית. תופיע הודעת שגיאה ב-build עם בקשה להזין את מפתח ה-API בקובץ SDKConstants.swift עבור Swift או בקובץ SDKDemoAPIKey.h עבור Objective-C.
עורכים את הקובץ SDKConstants.swift עבור Swift או את הקובץ SDKDemoAPIKey.h עבור Objective-C, ומדביקים את מפתח ה-API בהגדרה של הקבוע apiKey או kAPIKey. לדוגמה:
Swift
static let apiKey = "YOUR_API_KEY"
Objective-C
staticNSString*constkAPIKey=@"YOUR_API_KEY";
בקובץ SDKConstants.swift (Swift) או בקובץ SDKDemoAPIKey.h (Objective-C), מסירים את השורה הבאה כי היא משמשת לרישום הבעיה שהוגדרה על ידי המשתמש:
Swift
#error (Register for API Key and insert here. Then delete this line.)
Objective-C
#error Register for API Key and insert here.
פיתוח והרצה של הפרויקט. חלון הסימולטור של iOS מופיע עם רשימה של דמואים של SDK של מפות.
בוחרים באחת מהאפשרויות שמוצגות כדי להתנסות בתכונה של SDK של מפות ל-iOS.
אם מופיעה בקשה לתת ל-GoogleMapsDemos גישה למיקום שלכם, בוחרים באפשרות אישור.
[[["התוכן קל להבנה","easyToUnderstand","thumb-up"],["התוכן עזר לי לפתור בעיה","solvedMyProblem","thumb-up"],["סיבה אחרת","otherUp","thumb-up"]],[["חסרים לי מידע או פרטים","missingTheInformationINeed","thumb-down"],["התוכן מורכב מדי או עם יותר מדי שלבים","tooComplicatedTooManySteps","thumb-down"],["התוכן לא עדכני","outOfDate","thumb-down"],["בעיה בתרגום","translationIssue","thumb-down"],["בעיה בדוגמאות/בקוד","samplesCodeIssue","thumb-down"],["סיבה אחרת","otherDown","thumb-down"]],["עדכון אחרון: 2025-07-26 (שעון UTC)."],[[["\u003cp\u003eThis webpage provides code samples demonstrating how to control zoom gestures on a Google Map using a switch.\u003c/p\u003e\n"],["\u003cp\u003eWhen the switch is toggled on, users can zoom in and out of the map using gestures.\u003c/p\u003e\n"],["\u003cp\u003eTo run the sample code, you need to configure your development environment and obtain a Google Maps API key.\u003c/p\u003e\n"],["\u003cp\u003eThe webpage provides step-by-step instructions on how to set up and run the sample app locally.\u003c/p\u003e\n"]]],["The provided code demonstrates how to control zoom gestures on a Google Map in iOS using a switch. A `GMSMapView` is created, and a `UISwitch` toggles zoom gesture functionality on or off. When the switch is on, zoom gestures are enabled; when off, they are disabled. The code examples are provided in both Swift and Objective-C and include instructions on how to install the Maps SDK for iOS sample app.\n"],null,["# Enable and disable map gestures\n\nThe map responds to zoom gestures only when the switch is toggled on.\n\nGet started\n-----------\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-------------\n\n### Swift\n\n```swift\nimport GoogleMaps\nimport UIKit\n\nclass GestureControlViewController: UIViewController {\n private let holderHeight: CGFloat = 60\n private let zoomLabelInset: CGFloat = 16\n\n private lazy var mapView: GMSMapView = {\n let camera = GMSCameraPosition(latitude: -25.5605, longitude: 133.605097, zoom: 3)\n return GMSMapView(frame: .zero, camera: camera)\n }()\n private lazy var zoomSwitch: UISwitch = UISwitch(frame: .zero)\n\n override func viewDidLoad() {\n super.viewDidLoad()\n\n view.addSubview(mapView)\n\n let holder = UIView(frame: .zero)\n holder.backgroundColor = UIColor(white: 1, alpha: 0.8)\n view.addSubview(holder)\n\n let zoomLabel = UILabel(frame: .zero)\n zoomLabel.text = \"Zoom gestures\"\n zoomLabel.font = .boldSystemFont(ofSize: 18)\n holder.addSubview(zoomLabel)\n\n // Control zooming.\n holder.addSubview(zoomSwitch)\n zoomSwitch.addTarget(self, action: #selector(toggleZoom), for: .valueChanged)\n zoomSwitch.isOn = true\n\n [mapView, holder, zoomLabel, zoomSwitch].forEach({\n $0.translatesAutoresizingMaskIntoConstraints = false\n })\n NSLayoutConstraint.activate([\n mapView.leftAnchor.constraint(equalTo: view.leftAnchor),\n mapView.rightAnchor.constraint(equalTo: view.rightAnchor),\n mapView.topAnchor.constraint(equalTo: view.topAnchor),\n mapView.bottomAnchor.constraint(equalTo: view.bottomAnchor),\n holder.heightAnchor.constraint(equalToConstant: holderHeight),\n holder.centerXAnchor.constraint(equalTo: view.centerXAnchor),\n holder.widthAnchor.constraint(equalTo: view.widthAnchor),\n zoomLabel.leftAnchor.constraint(equalTo: holder.leftAnchor, constant: zoomLabelInset),\n zoomLabel.centerYAnchor.constraint(equalTo: holder.centerYAnchor),\n zoomSwitch.rightAnchor.constraint(equalTo: holder.rightAnchor, constant: -zoomLabelInset),\n zoomSwitch.centerYAnchor.constraint(\n equalTo: holder.centerYAnchor),\n ])\n NSLayoutConstraint.activate([\n holder.topAnchor.constraint(equalTo: self.view.safeAreaLayoutGuide.topAnchor)\n ])\n }\n\n @objc func toggleZoom() {\n mapView.settings.zoomGestures = zoomSwitch.isOn\n }\n\n}https://github.com/googlemaps-samples/maps-sdk-for-ios-samples/blob/86408feffd008565cd2cafce8aff3dc27f1f41bb/GoogleMaps-Swift/GoogleMapsSwiftDemos/Swift/Samples/GestureControlViewController.swift#L14-L72\n \n```\n\n### Objective-C\n\n```objective-c\n#import \"GoogleMapsDemos/Samples/GestureControlViewController.h\"\n\n#import \u003cGoogleMaps/GoogleMaps.h\u003e\n\n@implementation GestureControlViewController {\n GMSMapView *_mapView;\n UISwitch *_zoomSwitch;\n}\n\n- (void)viewDidLoad {\n [super viewDidLoad];\n GMSCameraPosition *camera = [GMSCameraPosition cameraWithLatitude:-25.5605\n longitude:133.605097\n zoom:3];\n\n _mapView = [GMSMapView mapWithFrame:CGRectZero camera:camera];\n _mapView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;\n _mapView.accessibilityIdentifier = @\"gestureControlDemoMapView\";\n\n self.view = [[UIView alloc] initWithFrame:CGRectZero];\n [self.view addSubview:_mapView];\n\n UIView *holder = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 0, 59)];\n holder.autoresizingMask =\n UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleBottomMargin;\n holder.backgroundColor = [UIColor colorWithRed:1.0 green:1.0 blue:1.0 alpha:0.8f];\n [self.view addSubview:holder];\n\n // Zoom label.\n UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(16, 16, 200, 29)];\n label.text = @\"Zooming?\";\n label.font = [UIFont boldSystemFontOfSize:18.0f];\n label.textAlignment = NSTextAlignmentLeft;\n label.backgroundColor = [UIColor clearColor];\n label.layer.shadowColor = [[UIColor whiteColor] CGColor];\n label.layer.shadowOffset = CGSizeMake(0.0f, 1.0f);\n label.layer.shadowOpacity = 1.0f;\n label.layer.shadowRadius = 0.0f;\n [holder addSubview:label];\n\n // Control zooming.\n _zoomSwitch = [[UISwitch alloc] initWithFrame:CGRectMake(-90, 16, 0, 0)];\n _zoomSwitch.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin;\n [_zoomSwitch addTarget:self\n action:@selector(didChangeZoomSwitch)\n forControlEvents:UIControlEventValueChanged];\n _zoomSwitch.on = YES;\n [holder addSubview:_zoomSwitch];\n}\n\n- (void)didChangeZoomSwitch {\n _mapView.settings.zoomGestures = _zoomSwitch.isOn;\n}\n\n@end \nhttps://github.com/googlemaps-samples/maps-sdk-for-ios-samples/blob/86408feffd008565cd2cafce8aff3dc27f1f41bb/GoogleMaps/GoogleMapsDemos/Samples/GestureControlViewController.m#L16-L70\n\n \n```\n\nRun the full sample app locally\n-------------------------------\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**."]]