MapboxStatic.swift makes it easy to connect your iOS, macOS, tvOS, or watchOS application to the Mapbox Static Images API. Quickly generate a map snapshot – a static map image with overlays – by fetching it synchronously or asynchronously over the Web using first-class Swift or Objective-C data types.
A snapshot is a flattened PNG or JPEG image, ideal for use in a table or image view, user notification, sharing service, printed document, or anyplace else you’d like a quick, custom map without the overhead of an interactive view. A static map is created in a single HTTP request. Overlays are added server-side.
MapboxStatic.swift pairs well with MapboxDirections.swift, MapboxGeocoder.swift, the Mapbox Maps SDK for iOS, and the Mapbox Maps SDK for macOS SDK. If you’re already using the maps SDK for iOS or macOS for other purposes, consider using an MGLMapSnapshotter object instead of MapboxStatic.swift to produce static images that take advantage of caching and offline packs.
v0.12.0 was the last version of MapboxStatic to support the Legacy Static Images API.
- One of the following package managers:
- CocoaPods 1.10 or above
- Carthage 0.19 or above (run this script instead of
carthageif using Xcode 12) - Swift Package Manager 5.3 or above
- Xcode 12.0 or above
- One of the following operating systems:
- iOS 12.0 or above
- macOS 10.14 or above
- tvOS 12.0 or above
- watchOS 5.0 or above
Specify the following dependency in your Carthage Cartfile:
github "mapbox/MapboxStatic.swift" ~> 0.12In your CocoaPods Podfile:
pod 'MapboxStatic.swift', '~> 0.12'To install MapboxStatic using the Swift Package Manager, add the following package to the dependencies in your Package.swift file:
.package(url: "https://github.com/mapbox/MapboxStatic.swift.git", from: "0.12.0"),Then import MapboxStatic or @import MapboxStatic;.
This repository includes an example iOS application written in Swift, as well as Swift playgrounds for iOS and macOS. To run them, you need to use Carthage 0.19 or above to install the dependencies. Open the playgrounds inside of MapboxStatic.xcworkspace. More examples are available in the Mapbox API Documentation.
To generate a snapshot from a Mapbox-hosted style, you’ll need its style URL. You can either choose a Mapbox-designed style or design one yourself in Mapbox Studio. You can use the same style within the Mapbox Maps SDK for iOS or macOS.
You’ll also need an access token with the styles:tiles scope enabled in order to use this library. You can specify your access token inline or by setting the MGLMapboxAccessToken key in your application’s Info.plist file.
The examples below are each provided in Swift (denoted with main.swift) and Objective-C (main.m). For further details, see the MapboxStatic.swift API reference.
The main static map class is Snapshot in Swift or MBSnapshot in Objective-C. To create a basic snapshot, create a SnapshotOptions object, specifying snapshot camera (viewpoint) and point size:
// main.swift
import MapboxStatic
let camera = SnapshotCamera(
lookingAtCenter: CLLocationCoordinate2D(latitude: 45.52, longitude: -122.681944),
zoomLevel: 12)
let options = SnapshotOptions(
styleURL: URL(string: "<#your mapbox: style URL#>")!,
camera: camera,
size: CGSize(width: 200, height: 200))
let snapshot = Snapshot(
options: options,
accessToken: "<#your access token#>")// main.m
@import MapboxStatic;
NSURL *styleURL = [NSURL URLWithString:@"<#your mapbox: style URL#>"];
MBSnapshotCamera *camera = [MBSnapshotCamera cameraLookingAtCenterCoordinate:CLLocationCoordinate2DMake(45.52, -122.681944)
zoomLevel:12];
MBSnapshotOptions *options = [[MBSnapshotOptions alloc] initWithStyleURL:styleURL
camera:camera
size:CGSizeMake(200, 200)];
MBSnapshot *snapshot = [[MBSnapshot alloc] initWithOptions:options
accessToken:@"<#your access token#>"];Then, you can either retrieve an image synchronously (blocking the calling thread):
// main.swift
imageView.image = snapshot.image// main.m
imageView.image = snapshot.image;
Or you can pass a completion handler to update the UI thread after the image is retrieved:
// main.swift
snapshot.image { (image, error) in
imageView.image = image
}// main.m
[snapshot imageWithCompletionHandler:^(UIImage * _Nullable image, NSError * _Nullable error) {
imageView.image = image;
}];If you're using your own HTTP library or routines, you can also retrieve a snapshot’s URL property.
// main.swift
let imageURL = snapshot.url// main.m
NSURL *imageURL = snapshot.url;Overlays are where things get interesting! You can add Maki markers, custom marker imagery, GeoJSON geometries, and even paths made of bare coordinates.
You add overlays to the overlays field in the SnapshotOptions or MBSnapshotOptions object. Here are some versions of our snapshot with various overlays added.
// main.swift
let markerOverlay = Marker(
coordinate: CLLocationCoordinate2D(latitude: 45.52, longitude: -122.681944),
size: .medium,
iconName: "cafe"
)
markerOverlay.color = .brown// main.m
MBMarker *markerOverlay = [[MBMarker alloc] initWithCoordinate:CLLocationCoordinate2DMake(45.52, -122.681944)
size:MBMarkerSizeMedium
iconName:@"cafe"];
#if TARGET_OS_IOS || TARGET_OS_TV || TARGET_OS_WATCH
markerOverlay.color = [UIColor brownColor];
#elif TARGET_OS_MAC
markerOverlay.color = [NSColor brownColor];
#endif
// main.swift
let customMarker = CustomMarker(
coordinate: CLLocationCoordinate2D(latitude: 45.522, longitude: -122.69),
url: URL(string: "https://www.mapbox.com/help/img/screenshots/rocket.png")!
)// main.m
NSURL *url = [NSURL URLWithString:@"https://www.mapbox.com/help/img/screenshots/rocket.png"];
MBCustomMarker *customMarker = [[MBCustomMarker alloc] initWithCoordinate:CLLocationCoordinate2DMake(45.522, -122.69)
url:url];
// main.swift
let geoJSONOverlay: GeoJSON
do {
let geoJSONURL = URL(string: "http://git.io/vCv9U")!
let geoJSONString = try String(contentsOf: geoJSONURL, encoding: .utf8)
geoJSONOverlay = GeoJSON(objectString: geoJSONString)
}// main.m
NSURL *geoJSONURL = [NSURL URLWithString:@"http://git.io/vCv9U"];
NSString *geoJSONString = [[NSString alloc] initWithContentsOfURL:geoJSONURL
encoding:NSUTF8StringEncoding
error:NULL];
MBGeoJSON *geoJSONOverlay = [[MBGeoJSON alloc] initWithObjectString:geoJSONString];
// main.swift
let path = Path(
coordinates: [
CLLocationCoordinate2D(
latitude: 45.52475063103141, longitude: -122.68209457397461
),
CLLocationCoordinate2D(
latitude: 45.52451009822193, longitude: -122.67488479614258
),
CLLocationCoordinate2D(
latitude: 45.51681250530043, longitude: -122.67608642578126
),
CLLocationCoordinate2D(
latitude: 45.51693278828882, longitude: -122.68999099731445
),
CLLocationCoordinate2D(
latitude: 45.520300607576864, longitude: -122.68964767456055
),
CLLocationCoordinate2D(
latitude: 45.52475063103141, longitude: -122.68209457397461
)
]
)
path.strokeWidth = 2
path.strokeColor = .black
#if os(macOS)
path.fillColor = NSColor.red.withAlphaComponent(0.25)
#else
path.fillColor = UIColor.red.withAlphaComponent(0.25)
#endif// main.m
CLLocationCoordinate2D coordinates[] = {
CLLocationCoordinate2DMake(45.52475063103141, -122.68209457397461),
CLLocationCoordinate2DMake(45.52451009822193, -122.67488479614258),
CLLocationCoordinate2DMake(45.51681250530043, -122.67608642578126),
CLLocationCoordinate2DMake(45.51693278828882, -122.68999099731445),
CLLocationCoordinate2DMake(45.520300607576864, -122.68964767456055),
CLLocationCoordinate2DMake(45.52475063103141, -122.68209457397461),
};
MBPath *path = [[MBPath alloc] initWithCoordinates:coordinates
count:sizeof(coordinates) / sizeof(coordinates[0])];
path.strokeWidth = 2;
#if TARGET_OS_IOS || TARGET_OS_TV || TARGET_OS_WATCH
path.strokeColor = [UIColor blackColor];
path.fillColor = [[UIColor redColor] colorWithAlphaComponent:0.25];
#elif TARGET_OS_MAC
path.strokeColor = [NSColor blackColor];
path.fillColor = [[NSColor redColor] colorWithAlphaComponent:0.25];
#endif
To rotate and tilt a snapshot, set its camera’s heading and pitch:
// main.swift
let camera = SnapshotCamera(
lookingAtCenter: CLLocationCoordinate2D(latitude: 45.52, longitude: -122.681944),
zoomLevel: 13)
camera.heading = 45
camera.pitch = 60
let options = SnapshotOptions(
styleURL: URL(string: "<#your mapbox: style URL#>")!,
camera: camera,
size: CGSize(width: 200, height: 200))
let snapshot = Snapshot(
options: options,
accessToken: "<#your access token#>")// main.m
NSURL *styleURL = [NSURL URLWithString:@"<#your mapbox: style URL#>"];
MBSnapshotCamera *camera = [MBSnapshotCamera cameraLookingAtCenterCoordinate:CLLocationCoordinate2DMake(45.52, -122.681944)
zoomLevel:13];
camera.heading = 45;
camera.pitch = 60;
MBSnapshotOptions *options = [[MBSnapshotOptions alloc] initWithStyleURL:styleURL
camera:camera
size:CGSizeMake(200, 200)];
MBSnapshot *snapshot = [[MBSnapshot alloc] initWithOptions:options
accessToken:@"<#your access token#>"];
If you’re adding overlays to a snapshot, leave out the center coordinate and zoom level to automatically calculate the center and zoom level that best shows them off.
// main.swift
let options = SnapshotOptions(
styleURL: URL(string: "<#your mapbox: style URL#>")!,
size: CGSize(width: 500, height: 300))
options.overlays = [path, geojsonOverlay, markerOverlay, customMarker]// main.m
NSURL *styleURL = [NSURL URLWithString:@"<#your mapbox: style URL#>"];
MBSnapshotOptions *options = [[MBSnapshotOptions alloc] initWithStyleURL:styleURL
size:CGSizeMake(500, 300)];
options.overlays = @[path, geojsonOverlay, markerOverlay, customMarker];
Be sure to attribute your map properly in your application. You can also find out more about where Mapbox’s map data comes from.
To run the included unit tests, you need to use Carthage 0.19 or above to install the dependencies.
carthage bootstrapopen MapboxStatic.xcodeproj- Go to Product ‣ Test.
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