Итак, я настроил карту и табличное представление с помощью searchController для поиска местоположений, и мой код должен отклонить табличное представление при нажатии на один из результатов поиска и разместить аннотацию в выбранном местоположении.Я перепробовал все перечисленное здесь:
// self.presentingViewController?.dismiss(animated: true, completion: nil)
// dismiss(animated: true, completion: nil)
// self.navigationController!.dismiss(animated: true, completion: nil)
// _ = self.navigationController?.popViewController(animated: true)
// self.navigationController?.popViewController(animated: true)
// viewDidDisappear(true)
// tableView.isHidden = true
// tableView.allowsSelection = true
Ни один из них не сработал.Вот код контроллера представления:
import UIKit
import MapKit
protocol handleMapSearch {
func dropPinZoomIn(placemark:MKPlacemark)
}
class ViewController : UIViewController {
let locationManager = CLLocationManager()
var resultSearchController:UISearchController? = nil
var selectedPin:MKPlacemark? = nil
@IBOutlet weak var mapView: MKMapView!
override func viewDidLoad() {
super.viewDidLoad()
locationManager.delegate = self
locationManager.desiredAccuracy = kCLLocationAccuracyBest
locationManager.requestWhenInUseAuthorization()
locationManager.requestLocation()
let locationSearchTable = storyboard!.instantiateViewController(withIdentifier: "LocationSearchTable") as! LocationSearchTable
resultSearchController = UISearchController(searchResultsController: locationSearchTable)
resultSearchController?.searchResultsUpdater = locationSearchTable as UISearchResultsUpdating
let searchBar = resultSearchController!.searchBar
searchBar.sizeToFit()
searchBar.placeholder = "Search for places"
navigationItem.titleView = resultSearchController?.searchBar
resultSearchController?.hidesNavigationBarDuringPresentation = false
resultSearchController?.dimsBackgroundDuringPresentation = true
definesPresentationContext = true
locationSearchTable.mapView = mapView
locationSearchTable.handleMapSearchDelegate = self
}
override func touchesBegan(_ touches: Set<UITouch>,
with event: UIEvent?) {
self.view.endEditing(true)
}
}
extension ViewController : CLLocationManagerDelegate {
func locationManager(_ manager: CLLocationManager, didFailWithError error: Error) {
print("error:: \(String(describing: error.localizedDescription))")
}
func locationManager(_ manager: CLLocationManager, didChangeAuthorization status: CLAuthorizationStatus) {
if status == .authorizedWhenInUse {
locationManager.requestLocation()
}
}
func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
if let location = locations.first {
let span = MKCoordinateSpanMake(0.05, 0.05)
let region = MKCoordinateRegion(center: location.coordinate, span: span)
mapView.setRegion(region, animated: true)
}
}
}
extension ViewController: handleMapSearch {
func dropPinZoomIn(placemark:MKPlacemark){
// cache the pin
selectedPin = placemark
// clear existing pins
mapView.removeAnnotations(mapView.annotations)
//mapView.removeAnnotations(mapView.annotations)
let annotation = MKPointAnnotation()
annotation.coordinate = placemark.coordinate
annotation.title = placemark.name
if let city = placemark.locality,
let state = placemark.administrativeArea {
annotation.subtitle = "(\(city)) (\(state))"
}
mapView.addAnnotation(annotation)
let span = MKCoordinateSpanMake(0.05, 0.05)
let region = MKCoordinateRegionMake(placemark.coordinate, span)
mapView.setRegion(region, animated: true)
}
}
Вот код просмотра таблицы (LocationSearchTable.swift):
import UIKit
import MapKit
class LocationSearchTable : UITableViewController {
var handleMapSearchDelegate:handleMapSearch? = nil
var matchingItems:[MKMapItem] = []
var mapView: MKMapView? = nil
func parseAddress(selectedItem: MKPlacemark) -> String {
// put a space between "4" and "Melrose Place"
let firstSpace = (selectedItem.subThoroughfare != nil && selectedItem.thoroughfare != nil) ? " " : ""
// put a comma between street and city/state
let comma = (selectedItem.subThoroughfare != nil || selectedItem.thoroughfare != nil) && (selectedItem.subAdministrativeArea != nil || selectedItem.administrativeArea != nil) ? ", " : ""
// put a space between "Washington" and "DC"
let secondSpace = (selectedItem.subAdministrativeArea != nil && selectedItem.administrativeArea != nil) ? " " : ""
let addressLine = String(
format:"%@%@%@%@%@%@%@",
// street number
selectedItem.subThoroughfare ?? "",
firstSpace,
// street name
selectedItem.thoroughfare ?? "",
comma,
// city
selectedItem.locality ?? "",
secondSpace,
// state
selectedItem.administrativeArea ?? ""
)
return addressLine
}
override func numberOfSections(in tableView: UITableView) -> Int {
return 1
}
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return matchingItems.count - 1
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "searchCell") as!
ResultsDisplayCell
let selectedIndex = self.matchingItems[indexPath.row]
cell.titleLabel?.text = selectedIndex.placemark.title
cell.detailTextLabel?.text = selectedIndex.name
//cell.detailTextLabel?.text = selectedIndex.placemark.subThoroughfare
//cell.detailTextLabel?.text = selectedIndex.name
//cell.detailTextLabel?.text = selectedIndex.placemark.subtitle
return cell
}
}
extension LocationSearchTable : UISearchResultsUpdating {
func updateSearchResults(for searchController: UISearchController) {
guard let mapView = mapView,
let searchBarText = searchController.searchBar.text else { return }
let request = MKLocalSearchRequest()
request.naturalLanguageQuery = searchBarText
request.region = mapView.region
let search = MKLocalSearch(request: request)
search.start { response, _ in
guard let response = response else {
return
}
for mapItems in response.mapItems{
self.matchingItems.append(mapItems as MKMapItem)
print("thisisthearray:\(self.matchingItems)")
self.matchingItems = response.mapItems
self.tableView.reloadData()
}
}
}
}
extension LocationSearchTable {
func tableView(tableView: UITableView, didSelectRowAt indexPath: NSIndexPath) {
let selectedItem = matchingItems[indexPath.row].placemark
handleMapSearchDelegate?.dropPinZoomIn(placemark: selectedItem)
self.dismiss(animated: true, completion: nil)
tableView.keyboardDismissMode = .onDrag // .interactive
// self.presentingViewController?.dismiss(animated: true, completion: nil)
// dismiss(animated: true, completion: nil)
// self.navigationController!.dismiss(animated: true, completion: nil)
// _ = self.navigationController?.popViewController(animated: true)
// self.navigationController?.popViewController(animated: true)
// viewDidDisappear(true)
// tableView.isHidden = true
// tableView.allowsSelection = true
}
}
Был бы очень признателен за помощь:)