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import Mapbox
@objc(CustomCalloutViewExample_Swift)
class CustomCalloutViewExample_Swift: UIViewController, MGLMapViewDelegate {
override func viewDidLoad() {
super.viewDidLoad()
let mapView = MGLMapView(frame: view.bounds, styleURL: MGLStyle.lightStyleURL(withVersion: 9))
mapView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
mapView.tintColor = .darkGray
view.addSubview(mapView)
// Set the map view‘s delegate property.
mapView.delegate = self
// Initialize and add the marker annotation.
let marker = MGLPointAnnotation()
marker.coordinate = CLLocationCoordinate2D(latitude: 0, longitude: 0)
marker.title = "Hello world!"
// This custom callout example does not implement subtitles.
//marker.subtitle = "Welcome to my marker"
// Add marker to the map.
mapView.addAnnotation(marker)
}
func mapView(_ mapView: MGLMapView, annotationCanShowCallout annotation: MGLAnnotation) -> Bool {
// Always allow callouts to popup when annotations are tapped.
return true
}
func mapView(_ mapView: MGLMapView, calloutViewFor annotation: MGLAnnotation) -> MGLCalloutView? {
// Only show callouts for `Hello world!` annotation.
if annotation.responds(to: #selector(getter: MGLAnnotation.title)) && annotation.title! == "Hello world!" {
// Instantiate and return our custom callout view.
return CustomCalloutView(representedObject: annotation)
}
return nil
}
func mapView(_ mapView: MGLMapView, tapOnCalloutFor annotation: MGLAnnotation) {
// Optionally handle taps on the callout.
print("Tapped the callout for: \(annotation)")
// Hide the callout.
mapView.deselectAnnotation(annotation, animated: true)
}
}
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