Так что, в основном, я вызываю API отдыха, чтобы получить все местоположения автобусных остановок, а затем помещаю аннотации всех автобусных остановок в пределах 5 км от моего текущего местоположения на карте при вызове кнопки. Тем не менее, это просто не отображается, я не могу понять проблему.
импорт UIKit
импорт MapKit
class MapKitViewController: UIViewController, CLLocationManagerDelegate {
@IBOutlet weak var GPSButton: UIButton!
var stopSearchResults: [Value] = []
var Annotations: [BusStopAnnotation] = []
let queryServices = QueryService()
let locationManager:CLLocationManager = CLLocationManager()
@IBOutlet weak var mapView: MKMapView!
var currentLocation: CLLocationCoordinate2D?
var counter: Int = 0
override func viewDidLoad() {
super.viewDidLoad()
UIApplication.shared.isNetworkActivityIndicatorVisible = true
queryServices.GetAllBusStops(){
result in
UIApplication.shared.isNetworkActivityIndicatorVisible = false
if let result = result {
self.stopSearchResults = result.value
}
}
configureLocationService()
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
private func configureLocationService() {
locationManager.delegate = self
let status = CLLocationManager.authorizationStatus()
if status == .notDetermined {
locationManager.requestAlwaysAuthorization()
} else if status == .authorizedAlways || status == .authorizedWhenInUse {
beginLocationUpdate(locationManager: locationManager)
}
}
private func beginLocationUpdate(locationManager: CLLocationManager) {
mapView.showsUserLocation = true
locationManager.desiredAccuracy = kCLLocationAccuracyBest
locationManager.startUpdatingLocation()
}
private func zoomToLatestLocation(with coordinate: CLLocationCoordinate2D) {
let zoomRegion = MKCoordinateRegion(center: coordinate, latitudinalMeters: 1000, longitudinalMeters: 1000)
mapView.setRegion(zoomRegion, animated: true)
}
@IBAction func GPSTrack(_ sender: Any) {
InputAllAnnotation(busStops: stopSearchResults)
print("Searching for nearby bus stops")
}
func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
print("Did get latest location")
guard let latestLocation = locations.first else { return }
if currentLocation == nil {
zoomToLatestLocation(with: latestLocation.coordinate)
}
currentLocation = latestLocation.coordinate
}
func locationManager(_ manager: CLLocationManager, didChangeAuthorization status: CLAuthorizationStatus) {
print("The status changed")
if status == .authorizedAlways || status == .authorizedWhenInUse {
beginLocationUpdate(locationManager: manager)
}
}
func InputAllAnnotation(busStops: [Value]) {
for busStop in busStops{
let busStopObj = BusStopAnnotation(value: busStop)
Annotations.append(busStopObj)
let distance = busStop.GetDistance(latitude: Double(currentLocation?.latitude ?? 0), longitude: Double(currentLocation?.longitude ?? 0))
if distance < 5000 {
mapView.addAnnotation(busStopObj)
}
}
}
}
расширение MapKitViewController: MKMapViewDelegate {
func mapView (_ mapView: MKMapView, viewFor аннотация: MKAnnotation) -> MKAnnotationView? {
if let busStopAnnotation = mapView.dequeueReusableAnnotationView(withIdentifier: MKMapViewDefaultAnnotationViewReuseIdentifier) as?
MKMarkerAnnotationView {
busStopAnnotation.animatesWhenAdded = true
busStopAnnotation.titleVisibility = .adaptive
busStopAnnotation.canShowCallout = true
return busStopAnnotation
}
return nil
}
func mapView(_ mapView: MKMapView, didSelect view: MKAnnotationView) {
print("The annotation was selected: \(String(describing: view.annotation?.title))")
}
}
конечный класс BusStopAnnotation: NSObject, MKAnnotation {
координата var: CLLocationCoordinate2D
var title: String?
var subtitle: String?
var busStopCode: String?
init(value : Value) {
self.coordinate = value.GetLocationCoordinate2D()
self.title = value.roadName
self.subtitle = value.description
self.busStopCode = value.busStopCode
}
init(coordinate: CLLocationCoordinate2D, roadName: String?, description: String?, busStopCode: String?) {
self.coordinate = coordinate
self.title = roadName
self.subtitle = description
self.busStopCode = busStopCode
}
var region: MKCoordinateRegion {
let span = MKCoordinateSpan(latitudeDelta: 0.05, longitudeDelta: 0.05)
return MKCoordinateRegion(center: coordinate, span: span)
}
}