Google Maps 'Did Long Press At' shows no response in Swift - swift

Question

I'm trying to print out the current latitude and longitude when the user long pressed at the map:
Here's what I'm currently working on
//
// TrangChuViewController.swift
//
//
import UIKit
import GoogleMaps
class TrangChuViewController: UIViewController {
#IBOutlet weak var detailDirection: UILabel!
#IBOutlet weak var mapView: GMSMapView!
let locationManager = CLLocationManager()
var originLatitude: Double = 0
var originLongtitude: Double = 0
var destinationLatitude: Double = 0
var destinationLongtitude: Double = 0
var travelMode = TravelModes.driving
let directionService = DirectionService()
override func viewDidLoad() {
super.viewDidLoad()
locationManager.delegate = self
locationManager.desiredAccuracy = kCLLocationAccuracyBest
mapView.settings.myLocationButton = true
mapView.isMyLocationEnabled = true
self.mapView.delegate = self
if CLLocationManager.authorizationStatus() != .authorizedWhenInUse {
locationManager.requestWhenInUseAuthorization()
} else {
locationManager.startUpdatingLocation()
}
self.detailDirection.isHidden = true
}
fileprivate func direction() {
self.mapView.clear()
let origin: String = "\(originLatitude),\(originLongtitude)"
let destination: String =
"\(destinationLatitude),\(destinationLongtitude)"
let marker = GMSMarker(position: CLLocationCoordinate2D(latitude: destinationLatitude, longitude: destinationLongtitude))
marker.map = self.mapView
self.directionService.getDirections(origin: origin,
destination: destination,
travelMode: travelMode) { [weak self] (success) in
if success {
DispatchQueue.main.async {
self?.drawRoute()
if let totalDistance = self?.directionService.totalDistance,
let totalDuration = self?.directionService.totalDuration {
self?.detailDirection.text = totalDistance + ". " + totalDuration
self?.detailDirection.isHidden = false
}
}
} else {
print("error direction")
}
}
}
fileprivate func drawRoute() {
for step in self.directionService.selectSteps {
if step.polyline.points != "" {
let path = GMSPath(fromEncodedPath: step.polyline.points)
let routePolyline = GMSPolyline(path: path)
routePolyline.strokeColor = UIColor.red
routePolyline.strokeWidth = 3.0
routePolyline.map = mapView
} else {
return
}
}
}
#IBAction func bicycling(_ sender: Any) {
self.travelMode = TravelModes.walking
self.direction()
self.afterDirection()
}
#IBAction func walking(_ sender: Any) {
self.travelMode = TravelModes.bicycling
self.direction()
self.afterDirection()
}
#IBAction func driving(_ sender: Any) {
self.travelMode = TravelModes.driving
self.direction()
self.afterDirection()
}
#IBAction func transit(_ sender: Any) {
self.travelMode = TravelModes.transit
self.direction()
self.afterDirection()
}
fileprivate func afterDirection() {
self.directionService.totalDistanceInMeters = 0
self.directionService.totalDurationInSeconds = 0
self.directionService.selectLegs.removeAll()
self.directionService.selectSteps.removeAll()
}
}
extension TrangChuViewController: CLLocationManagerDelegate {
//Handle incoming location events.
func locationManager(_ manager: CLLocationManager,
didUpdateLocations locations: [CLLocation]) {
manager.stopUpdatingLocation()
if let location: CLLocation = locations.last {
let locationLatitude = location.coordinate.latitude
let locationLongtitude = location.coordinate.longitude
self.originLatitude = locationLatitude
self.originLongtitude = locationLongtitude
let camera = GMSCameraPosition.camera(
withLatitude: locationLatitude,
longitude: locationLongtitude, zoom: zoomLevel)
if mapView.isHidden {
mapView.isHidden = false
mapView.camera = camera
} else {
mapView.animate(to: camera)
}
}
}
// Handle authorization for the location manager.
func locationManager(_ manager: CLLocationManager,
didChangeAuthorization status: CLAuthorizationStatus) {
if status == .authorizedWhenInUse {
manager.startUpdatingLocation()
}
}
// Handle location manager errors.
func locationManager(_ manager: CLLocationManager,
didFailWithError error: Error) {
locationManager.stopUpdatingLocation()
print("Error: \(error)")
}
}
extension TrangChuViewController: GMSMapViewDelegate {
func mapView(_ mapView: GMSMapView, didLongPressAt coordinate: CLLocationCoordinate2D) {
mapView.delegate = self
let marker = GMSMarker(position: coordinate)
print("You tapped : \(marker.position.latitude),\(marker.position.longitude)")
self.destinationLatitude = coordinate.latitude
self.destinationLongtitude = coordinate.longitude
marker.map = self.mapView
}
func mapView(_ mapView: GMSMapView, didTapAt coordinate: CLLocationCoordinate2D) {
mapView.delegate = self
}
}
Whenever I pressed on the Map, it shows no response at all. I have followed all other methods on Stack Overflow like
Setting the ViewController's delegate to mapView inside the mapView method and inside the ViewDidLoad but nothing helps.