Swiftui map encyclopedia use mapkit to search

Searching for places is an interesting feature that we may need in an application . Let's use it SwiftUI Develop this feature .

First , Let's create a view model , It contains a confirmation Observable The class of the object . This class has the ability to publish search results searchResults Variable .LocationManager towards “MKLocalSearchCompleterDelegate” confirm , The latter passes “completerDidUpdateResults” Provide search results .

class LocationManager: NSObject, ObservableObject, CLLocationManagerDelegate, MKLocalSearchCompleterDelegate {
    let manager = CLLocationManager()
    @Published var region: MKCoordinateRegion
    @Published var location: CLLocationCoordinate2D?
    @Published var name: String = ""
    @Published var search: String = ""

    @Published var searchResults = [MKLocalSearchCompletion]()
    var publisher: AnyCancellable?
    var searchCompleter = MKLocalSearchCompleter()

    override init() {
        let latitude = 0
        let longitude = 0
        self.region = MKCoordinateRegion(center:CLLocationCoordinate2D(latitude: