รหัสแผนที่เป็นตัวระบุที่ไม่ซ้ำกันซึ่ง
แสดงข้อกำหนดของ Google Maps คุณสร้างรหัสแผนที่และอัปเดตรูปแบบที่เชื่อมโยงกับรหัสแผนที่ได้ทุกเมื่อใน Google Cloud Console
// A map ID using a style with one or more feature layers enabledletmapID=GMSMapID(identifier:"YOUR_MAP_ID")letmapView=GMSMapView(frame:.zero,mapID:mapID,camera:GMSCameraPosition(latitude:40,longitude:-80,zoom:7))
Objective-C
// A map ID using a style with one or more feature layers enabledGMSMapID*mapID=[GMSMapIDmapIDWithIdentifier:@"MAP_ID"];GMSMapView*mapView=[GMSMapViewmapWithFrame:CGRectZeromapID:mapIDcamera:[GMSCameraPositioncameraWithLatitude:40longitude:-80zoom:7]];
classSampleViewController:UIViewController{privatelazyvarmapView:GMSMapView=GMSMapView(frame:.zero,mapID:GMSMapID(identifier:"YOUR_MAP_ID"),camera:GMSCameraPosition(latitude:40,longitude:-80,zoom:7))overridefuncloadView(){self.view=mapViewmapView.delegate=self}}extensionSampleViewController:GMSMapViewDelegate{funcmapView(_mapView:GMSMapView,didChangemapCapabilities:GMSMapCapabilityFlags){if(!mapCapabilities.contains(.dataDrivenStyling)){// Data-driven styling is *not* available, add a fallback.// Existing feature layers are also unavailable.}}}
Objective-C
@interfaceSampleViewController: UIViewController<GMSMapViewDelegate>
@end@implementationSampleViewController-(void)loadView{GMSMapView*mapView=[GMSMapViewmapWithFrame:CGRectZeromapID:[GMSMapIDmapIDWithIdentifier:@"MAP_ID"]camera:[GMSCameraPositioncameraWithLatitude:40longitude:-80zoom:7]];mapView.delegete=self;self.view=mapView;}-(void)mapView:(GMSMapView*)mapViewdidChangeMapCapabilities:(GMSMapCapabilityFlags)mapCapabilities{if(!(mapCapabilities&GMSMapCapabilityFlagsDataDrivenStyling)){// Data-driven styling is *not* available, add a fallback.// Existing feature layers are also unavailable.}}@end
[[["เข้าใจง่าย","easyToUnderstand","thumb-up"],["แก้ปัญหาของฉันได้","solvedMyProblem","thumb-up"],["อื่นๆ","otherUp","thumb-up"]],[["ไม่มีข้อมูลที่ฉันต้องการ","missingTheInformationINeed","thumb-down"],["ซับซ้อนเกินไป/มีหลายขั้นตอนมากเกินไป","tooComplicatedTooManySteps","thumb-down"],["ล้าสมัย","outOfDate","thumb-down"],["ปัญหาเกี่ยวกับการแปล","translationIssue","thumb-down"],["ตัวอย่าง/ปัญหาเกี่ยวกับโค้ด","samplesCodeIssue","thumb-down"],["อื่นๆ","otherDown","thumb-down"]],["อัปเดตล่าสุด 2025-07-26 UTC"],[[["\u003cp\u003eTo utilize data-driven styling for datasets within the Maps SDK for iOS, you must set up a Google Cloud project, enable necessary APIs (Maps SDK for iOS & Maps Datasets API), and acquire an API key.\u003c/p\u003e\n"],["\u003cp\u003eA unique map ID linked to a specific map style with enabled feature layers is crucial for loading datasets and using data-driven styling.\u003c/p\u003e\n"],["\u003cp\u003eBefore implementing data-driven styling features, ensure the map's capabilities are compatible by verifying through \u003ccode\u003emapView.mapCapabilities\u003c/code\u003e or subscribing to \u003ccode\u003eGMSViewDelegate\u003c/code\u003e to detect changes and handle potential fallbacks.\u003c/p\u003e\n"],["\u003cp\u003eInitialization of the map view requires using the designated map ID containing the desired style and feature layers for data-driven styling to function correctly.\u003c/p\u003e\n"],["\u003cp\u003eYou cannot utilize a demo map ID for data-driven styling as it necessitates a map ID specifically associated with a map style containing the dataset.\u003c/p\u003e\n"]]],[],null,["Select platform: [Android](/maps/documentation/android-sdk/dds-datasets/start \"View this page for the Android platform docs.\") [iOS](/maps/documentation/ios-sdk/dds-datasets/start \"View this page for the iOS platform docs.\") [JavaScript](/maps/documentation/javascript/dds-datasets/start \"View this page for the JavaScript platform docs.\")\n\n\u003cbr /\u003e\n\nFollow these steps to get set up with the data-driven styling for datasets.\n\nGet an API key and enable APIs\n\nBefore using data-driven styling for datasets, you need:\nCloud project with a billing account, and both the\nMaps SDK for iOS and the Maps Datasets API\nenabled. To learn more, see:\n\n- [Set up your Google Cloud project](/maps/documentation/ios-sdk/cloud-setup)\n\n- [Enable Maps SDK for iOS and get an API key](/maps/documentation/ios-sdk/get-api-key)\n\n- [Enable the Maps Datasets API](https://console.cloud.google.com/apis/library/mapsplatformdatasets.googleapis.com)\n\nCreate a map ID\n\nA [map ID](/maps/documentation/get-map-id) is a unique identifier that\nrepresents a Google Map specification. You can create map IDs and update\na style associated with a map ID at any time in the Google Cloud console.\n\nCreate a new map style\n\nTo create a new map style, follow the instructions in [Create and use map\nstyles](/maps/documentation/ios-sdk/cloud-customization/map-styles) to create\nthe style. Once complete associate the style with the newly created map ID.\n\nUpdate your map initialization code\n\nThis step requires a map ID be associated with a style with one or more feature\nlayers enabled. To verify your map ID is set up correctly in\nCloud console, review how it is configured under [Maps\nManagement](https://console.cloud.google.com/google/maps-apis/studio/maps). \n\nSwift \n\n```swift\n// A map ID using a style with one or more feature layers enabled\n\nlet mapID = GMSMapID(identifier: \"YOUR_MAP_ID\")\nlet mapView = GMSMapView(frame: .zero, mapID: mapID, camera: GMSCameraPosition(latitude: 40, longitude: -80, zoom: 7))\n```\n\nObjective-C \n\n```objective-c\n// A map ID using a style with one or more feature layers enabled\n\nGMSMapID *mapID = [GMSMapID mapIDWithIdentifier:@\"MAP_ID\"];\nGMSMapView *mapView = [GMSMapView mapWithFrame:CGRectZero mapID:mapID camera:[GMSCameraPosition cameraWithLatitude:40 longitude:-80 zoom:7]];\n```\n| **Important:** You cannot use a demo map ID because a map ID with the linked map style is needed to load the dataset to the client.\n\nCheck map capabilities\n\nData-driven styling for datasets requires capabilities which are enabled in the\nGoogle Cloud console, and associated with a map ID. Because map IDs are subject to\nchange, you can call\n[`mapView.mapCapabilities`](/maps/documentation/ios-sdk/reference/objc/Classes/GMSMapView#mapcapabilities)\non a\n[`GMSMapView`](/maps/documentation/ios-sdk/reference/objc/Classes/GMSMapView)\nto verify whether a certain capability (for example data-driven styling) is\navailable prior to calling it.\n\nYou can also detect changes in map capabilities by subscribing to\n[`GMSViewDelegate`](/maps/documentation/ios-sdk/reference/objc/Protocols/GMSMapViewDelegate).\nThis example shows how to use the protocol to check for data-driven styling\nrequirements. \n\nSwift \n\n```swift\nclass SampleViewController: UIViewController {\n\n private lazy var mapView: GMSMapView = GMSMapView(frame: .zero, mapID: GMSMapID(identifier: \"YOUR_MAP_ID\"), camera: GMSCameraPosition(latitude: 40, longitude: -80, zoom: 7))\n\n override func loadView() {\n self.view = mapView\n mapView.delegate = self\n }\n}\n\nextension SampleViewController: GMSMapViewDelegate {\n func mapView(_ mapView: GMSMapView, didChange mapCapabilities: GMSMapCapabilityFlags) {\n if (!mapCapabilities.contains(.dataDrivenStyling)) {\n // Data-driven styling is *not* available, add a fallback.\n // Existing feature layers are also unavailable.\n }\n }\n}\n```\n\nObjective-C \n\n```objective-c\n@interface SampleViewController: UIViewController \u003cGMSMapViewDelegate\u003e\n@end\n\n@implementation SampleViewController\n- (void)loadView {\n GMSMapView *mapView = [GMSMapView mapWithFrame:CGRectZero mapID:[GMSMapID mapIDWithIdentifier:@\"MAP_ID\"] camera:[GMSCameraPosition cameraWithLatitude:40 longitude:-80 zoom:7]];\n mapView.delegete = self;\n self.view = mapView;\n}\n\n- (void)mapView:(GMSMapView *)mapView didChangeMapCapabilities:(GMSMapCapabilityFlags)mapCapabilities {\n if (!(mapCapabilities & GMSMapCapabilityFlagsDataDrivenStyling)) {\n // Data-driven styling is *not* available, add a fallback.\n // Existing feature layers are also unavailable.\n }\n}\n@end\n```\n\nNext steps\n\n- [Create and manage a dataset](/maps/documentation/ios-sdk/dds-datasets/create-dataset)"]]