For some reason, my code keeps on showing up as an Optional and it's not letting my geocoder work. Any help is appreciated :)
import MapKit
import CoreLocationUI
import Firebase
struct Place: Identifiable {
let id = UUID()
var name: String
var coordinate: CLLocationCoordinate2D
}
struct MapView: View {
var empireStateBuilding =
Place(name: "Empire State Building", coordinate: CLLocationCoordinate2D(latitude: 40.748433, longitude: -73.985656))
@StateObject private var viewModel = ContentViewModel()
@State var address = ""
@State var addresses:[String] = []
@State private var multipleAddress = ""
let geocoder = CLGeocoder()
@State private var result = "result of lat & long"
@State private var lat = 0.0
@State private var long = 0.0
@State private var country = "country name"
@State private var state = "state name"
@State private var zip = "zip code"
var body: some View {
NavigationView {
ZStack (alignment: .bottom) {
Map(coordinateRegion: $viewModel.region, showsUserLocation: true)
.ignoresSafeArea()
.tint(.pink)
LocationButton(.currentLocation) {
viewModel.requestAllowOnceLocationPermission()
}
.foregroundColor(.white)
.cornerRadius(8)
.labelStyle(.iconOnly)
.symbolVariant(.fill)
.tint(.pink)
.padding(.bottom)
.padding(.trailing, 300)
Button {
let multipleAddresses = addresses
geocoder.geocodeAddressString(multipleAddress, completionHandler: {(placemarks, error) -> Void in
if((error) != nil){
print("Error", error ?? "")
}
if let placemark = placemarks?.first {
let coordinates:CLLocationCoordinate2D = placemark.location!.coordinate
print("Lat: \(coordinates.latitude) -- Long: \(coordinates.longitude)")
//added code
result = "Lat: \(coordinates.latitude) -- Long: \(coordinates.longitude)"
lat = coordinates.latitude
long = coordinates.longitude
print(result)
print(addresses)
}
})
} label: {
Image(systemName: "arrow.clockwise")
}
.padding(.leading, 300)
.padding(.bottom)
.cornerRadius(8)
}
List(0..<addresses.count, id: \.self) {i in Text(addresses[i]) }
}
.onAppear(perform: {
downloadServerData()
})
}
func downloadServerData() {
let db = Firestore.firestore()
db.collection("UserInfo").addSnapshotListener {(snap, err) in
if err != nil{
print("There is an error")
return
}
for i in snap!.documentChanges {
let documentId = i.document.documentID
let address = i.document.get("address")
DispatchQueue.main.async {
addresses.append("\(address)")
print(address)
}
}
}
}
struct AnnotatedItem: Identifiable {
let id = UUID()
var name: String
var coordinate: CLLocationCoordinate2D
}
struct MapView_Previews: PreviewProvider {
static var previews: some View {
MapView()
}
}
//LocationButton
final class ContentViewModel: NSObject, ObservableObject, CLLocationManagerDelegate {
@Published var region = MKCoordinateRegion(center: CLLocationCoordinate2D(latitude: 40, longitude: 120), span: MKCoordinateSpan(latitudeDelta: 100, longitudeDelta: 100))
let locationManager = CLLocationManager()
override init() {
super.init()
locationManager.delegate = self
}
func requestAllowOnceLocationPermission() {
locationManager.requestLocation()
}
func locationManager( _ _manager:CLLocationManager, didUpdateLocations locations: [CLLocation]){
guard let latestLocation = locations.first else {
// show an error
return
}
DispatchQueue.main.async{
self.region = MKCoordinateRegion(
center: latestLocation.coordinate,
span:MKCoordinateSpan(latitudeDelta:0.05, longitudeDelta:0.05))
}
}
func locationManager(_ manager: CLLocationManager, didFailWithError error: Error) {
print(error.localizedDescription)
}
}
}
struct MapView_Previews: PreviewProvider {
static var previews: some View {
MapView()
}
}