не может обновить мой GMsmapView при вызове функции

Question

Код

  import UIKit
  import GooglePlaces
  import GoogleMaps

  class FirstViewController: UIViewController {


@IBOutlet weak var mapsView: GMSMapView!


var resultsViewController: GMSAutocompleteResultsViewController?
var searchController: UISearchController?
var pick:UISearchController!
var drop:UISearchController!
var marker:GMSMarker!


var cgrectfordrop:CGRect?
var resultView: UITextView?


var gmspick:GMSAutocompleteResultsViewController!
var gmsdrop:GMSAutocompleteResultsViewController!
override func viewDidLoad() {

    super.viewDidLoad()

    // Create a GMSCameraPosition that tells the map to display the
    // coordinate -33.86,151.20 at zoom level 6.
    let camera = GMSCameraPosition.camera(withLatitude: -33.86, longitude: 151.20, zoom: 6.0)
    let mapView = GMSMapView.map(withFrame: CGRect.zero, camera: camera)
    self.mapsView=mapView




    resultsViewController = GMSAutocompleteResultsViewController()
    resultsViewController?.delegate = self





    gmspick=GMSAutocompleteResultsViewController()
    gmspick.delegate=self
    gmspick.accessibilityLabel="picku"
    pick=UISearchController(searchResultsController: gmspick)
    pick.searchResultsUpdater = gmspick
    pick.searchBar.sizeToFit()
    pick.searchBar.accessibilityIdentifier="picku"
    pick.searchBar.placeholder="Enter pick up location"
    pick.hidesNavigationBarDuringPresentation = false
    pick.searchBar.sizeToFit()






    gmsdrop=GMSAutocompleteResultsViewController()
    gmsdrop.delegate=self
    gmsdrop.accessibilityLabel="dropu"
    drop=UISearchController(searchResultsController: gmsdrop)
    drop.searchResultsUpdater = gmsdrop
    drop.searchBar.placeholder="Enter drop location"
    drop.searchBar.sizeToFit()
    drop.hidesNavigationBarDuringPresentation = false
    drop.searchBar.sizeToFit()







   let pickyvalue=view.frame.height/2- 
    pick.searchBar.frame.height/2
       // cgrectfordrop=CGRect(x: 0, y: pickyvalue/3.9, width: 
   view.frame.width, height: 45.0)
        let subViewpick = UIView(frame: CGRect(x: 0, y: pickyvalue/9, 
    width: view.frame.width, height: 45.0))
        subViewpick.addSubview(pick.searchBar)
        view.addSubview(subViewpick)




     let dropyvalue=view.frame.height/2-drop.searchBar.frame.height/2
    //  cgrectfordrop=CGRect(x: 0, y: dropyvalue/11, width: 
     view.frame.width, height: 45.0)
     let subViewpickd = UIView(frame: CGRect(x: 0, y: dropyvalue/3, 
     width: view.frame.width, height: 45.0))
      subViewpickd.addSubview(drop.searchBar)
    view.addSubview(subViewpickd)



  }
   func settingmarker(location:CLLocationCoordinate2D){


    self.mapsView.animate(toLocation: location)


   }
}













  extension FirstViewController: 
 GMSAutocompleteResultsViewControllerDelegate {
func resultsController(_ resultsController: 
 GMSAutocompleteResultsViewController,
                       didAutocompleteWith place: GMSPlace) {
    if (resultsController.accessibilityLabel=="picku") {
        pick.isActive=false
        print("Place name: \(place.name)")
        print("Place address: \(place.formattedAddress)")
        print("Place attributions: \(place.attributions)")
        print("pickup")

     settingmarker(location: place.coordinate)

    }else if(resultsController.accessibilityLabel=="dropu"){
        drop.isActive=false
        print("Place name: \(place.name)")
        print("Place address: \(place.formattedAddress)")
        print("Place attributions: \(place.attributions)")
        print("dropu")

    }


}

func resultsController(_ resultsController: GMSAutocompleteResultsViewController,
                       didFailAutocompleteWithError error: Error){
    // TODO: handle the error.
    print("Error: ", error.localizedDescription)
}

// Turn the network activity indicator on and off again.
func didRequestAutocompletePredictions(forResultsController resultsController: GMSAutocompleteResultsViewController) {
    UIApplication.shared.isNetworkActivityIndicatorVisible = true
}

func didUpdateAutocompletePredictions(forResultsController resultsController: GMSAutocompleteResultsViewController) {
    UIApplication.shared.isNetworkActivityIndicatorVisible = false
}

}

Невозможно обновить мой Gmsmapview при вызове функции установки маркера. Невозможно обновить мой Gmsmapview при вызове функции установки маркера. Невозможно обновить мой Gmsmapview при вызове функции установки маркера. Невозможно обновить мой Gmsmapview при вызове функции установки маркера. Невозможно обновить мой Gmsmapview при вызове функции установки маркера

Answer 1

Заменить эту часть

let mapView = GMSMapView.map(withFrame: CGRect.zero, camera: camera)
self.mapsView = mapView

с

self.mapsView.camera = camera

назначение карты сделает ее nil, так как вы объявили ее weak, пока она имеет выход