MapKit Location Picker

1import SwiftUI
2import MapKit
3
4struct LocationPickerView: View {
5    @State private var region = MKCoordinateRegion(
6        center: CLLocationCoordinate2D(latitude: 37.7749, longitude: -122.4194),
7        span: MKCoordinateSpan(latitudeDelta: 0.1, longitudeDelta: 0.1)
8    )
9    @State private var selectedLocation: CLLocationCoordinate2D?
10    
11    var body: some View {
12        VStack {
13            Text("Select Location")
14                .font(.title2)
15                .fontWeight(.semibold)
16                .padding(.bottom)
17            
18            Map(coordinateRegion: $region, annotationItems: selectedLocation.map { [$0] } ?? []) { location in
19                MapAnnotation(coordinate: location) {
20                    VStack {
21                        Image(systemName: "mappin.circle.fill")
22                            .font(.title)
23                            .foregroundColor(.red)
24                        Text("Selected")
25                            .font(.caption)
26                            .padding(4)
27                            .background(Color.white)
28                            .cornerRadius(4)
29                    }
30                }
31            }
32            .frame(height: 300)
33            .cornerRadius(12)
34            .onTapGesture { location in
35                let coordinate = region.center
36                selectedLocation = coordinate
37            }
38            
39            if let location = selectedLocation {
40                VStack(alignment: .leading, spacing: 8) {
41                    Text("Selected Location:")
42                        .font(.headline)
43                    Text("Lat: \(location.latitude, specifier: "%.4f")")
44                    Text("Lng: \(location.longitude, specifier: "%.4f")")
45                }
46                .padding()
47                .background(Color(.systemGray6))
48                .cornerRadius(8)
49            }
50        }
51        .padding()
52    }
53}
54
55struct MapLocation: Identifiable {
56    let id = UUID()
57    let coordinate: CLLocationCoordinate2D
58}
59
60struct LocationPickerView_Previews: PreviewProvider {
61    static var previews: some View {
62        LocationPickerView()
63    }
64}