80 lines
2.6 KiB
Swift
80 lines
2.6 KiB
Swift
import CoreLocation
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import MapKit
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import SwiftUI
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struct AttachmentLocationPickerView: View {
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@StateObject var locationManager = LocationManager()
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@State private var region = MKCoordinateRegion()
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@State var userInteracted: Bool = false
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var body: some View {
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Map(
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coordinateRegion: $region,
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interactionModes: .all,
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showsUserLocation: false,
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userTrackingMode: .none
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)
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.onAppear {
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locationManager.start()
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}
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.onDisappear {
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locationManager.stop()
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}
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.onChange(of: locationManager.region) { region in
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if !userInteracted {
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let currentLoc = CLLocation(latitude: self.region.center.latitude, longitude: self.region.center.longitude)
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let newLoc = CLLocation(latitude: region.center.latitude, longitude: region.center.longitude)
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if newLoc.distance(from: currentLoc) > 10 {
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DispatchQueue.main.async {
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withAnimation {
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self.region = region
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}
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}
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}
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}
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}
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.overlay {
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Image(systemName: "mappin")
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.font(.title2)
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.foregroundColor(.Material.Elements.active)
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}
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.onChange(of: region) { region in
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print("Region changed: \(region.center)")
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}
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}
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}
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class LocationManager: NSObject, ObservableObject, CLLocationManagerDelegate {
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@Published var region = MKCoordinateRegion()
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private let locationManager = CLLocationManager()
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override init() {
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super.init()
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locationManager.delegate = self
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locationManager.desiredAccuracy = kCLLocationAccuracyBest
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}
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func start() {
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locationManager.requestWhenInUseAuthorization()
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locationManager.startUpdatingLocation()
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}
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func stop() {
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locationManager.stopUpdatingLocation()
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}
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func locationManager(_: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
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guard let location = locations.last else { return }
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region = MKCoordinateRegion(center: location.coordinate, span: MKCoordinateSpan(latitudeDelta: 0.001, longitudeDelta: 0.001))
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}
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}
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extension MKCoordinateRegion: Equatable {
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public static func == (lhs: MKCoordinateRegion, rhs: MKCoordinateRegion) -> Bool {
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lhs.center.latitude == rhs.center.latitude &&
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lhs.center.longitude == rhs.center.longitude &&
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lhs.span.latitudeDelta == rhs.span.latitudeDelta &&
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lhs.span.longitudeDelta == rhs.span.longitudeDelta
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}
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}
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