How do I get the Lat Long of where the user tapped? in Swift v3 and google maps sdk

Question

I'm coding an app in Swift3. I'm using the google maps sdk. I've implemented a GMSMapView. I'm trying to ascertain what lat long that the user tapped in the GMSMapView.

Below is the reference for the android development version of what I think would help. But I can't find the equivalent for iOS.

https://developers.google.com/android/reference/com/google/android/gms/maps/GoogleMap.OnMapClickListener

edit: The "possible duplicate" didn't solve my problem.

Answer 1

I found the solution at: https://developers.google.com/maps/documentation/ios-sdk/events by googling for didTapAtCoordinate, which I somehow knew was part of the SDK.

The most important line for me was: mapView.delegate = self. It's possible that some other solutions I tried would have worked had I used mapView.delegate = self, but nothing else had mentioned it. Also, the func mapView is of course important so I can use the coordinates of where the user tapped.

import UIKit
import GoogleMaps

override func loadView() {
  let camera = GMSCameraPosition.camera(withLatitude: 1.285,
                                        longitude: 103.848,
                                        zoom: 12)

  let mapView = GMSMapView.map(withFrame: .zero, camera: camera)
  mapView.delegate = self
  self.view = mapView
}

// MARK: GMSMapViewDelegate
class DemoViewController: UIViewController, GMSMapViewDelegate {
}

func mapView(_ mapView: GMSMapView, didTapAt coordinate: CLLocationCoordinate2D) {
        print("You tapped at \(coordinate.latitude), \(coordinate.longitude)")
}//end func