Get Current Location On Google Map

I'm having some trouble when i want to get current location.

This is my first time using this GM API, and there are so much things i don't understand.

Here is my code, and i want

var geocoder = new google.maps.Geocoder();

function initialize() {
  var latLng = new google.maps.LatLng(-7.7801502, 110.3846387);
  var map = new google.maps.Map(document.getElementById('mapCanvas'), {
    zoom: 15,
    center: latLng,
    mapTypeId: google.maps.MapTypeId.ROADMAP

  var marker = new google.maps.Marker({
    position: latLng,
    title: 'Ambarrukmo Plaza Yogyakarta',
    map: map,
    draggable: true

The problem is, i want to change -7.7801502 and 110.3846387 value automatically based on user's current position. Can i do that?

Thanks before for your help and explanation.

Another question : -> What if i'm going to change those value based on a device embedded with GPS?


You can't get current user's location with Google Maps. However, if you get Google Maps with Google Loader, you can use the google.loader.CurrentLocation to get a location based on IP.

An other way is to use the HTML5 GeoLocation API.

function getLocation() {
  if (navigator.geolocation) {
  } else {
    alert("Geolocation is not supported by this browser.");
function showPosition(position) {
  var lat = position.coords.latitude;
  var lng = position.coords.longitude;
  map.setCenter(new google.maps.LatLng(lat, lng));

For people looking for a solution in the future, Google now has a Geolocation example on the Google Maps page >

If you want to stay in the world of google maps API, and assuming you have the map variable you can use,

var map = new google.maps.Map(document.getElementById("map-canvas"),

var myLat =;
var myLng =;

or you could use,


import UIKit
import GoogleMaps
import GooglePlaces
import CoreLocation

class ViewController: UIViewController,CLLocationManagerDelegate,GMSMapViewDelegate {

@IBOutlet weak var currentlocationlbl: UILabel!

var mapView:GMSMapView!

var locationManager:CLLocationManager! = CLLocationManager.init()

var geoCoder:GMSGeocoder!

var marker:GMSMarker!

var initialcameraposition:GMSCameraPosition!

override func viewDidLoad() {
    // Do any additional setup after loading the view, typically from a nib.

    self.mapView = GMSMapView()
    self.geoCoder = GMSGeocoder()
    self.marker = GMSMarker()
    self.initialcameraposition = GMSCameraPosition()

    // Create gms map view------------->
    mapView.frame = CGRect(x: 0, y: 150, width: 414, height: 667)
    mapView.delegate = self
    mapView.isMyLocationEnabled = true
    mapView.isBuildingsEnabled = false
    mapView.isTrafficEnabled = false

    // create cureent location label---------->

    self.currentlocationlbl.lineBreakMode = NSLineBreakMode.byWordWrapping
    self.currentlocationlbl.numberOfLines = 3
    self.currentlocationlbl.text = "Fetching address.........!!!!!"

    locationManager.delegate = self
    locationManager.desiredAccuracy = kCLLocationAccuracyBestForNavigation
    if locationManager.responds(to: #selector(CLLocationManager.requestAlwaysAuthorization))

    if #available(iOS 9, *)
    self.locationManager.allowsBackgroundLocationUpdates = true
        //fallback earlier version

    self.marker.title = "Current Location" = self.mapView

    // Gps button add mapview

    let gpbtn:UIButton! = UIButton.init()
    gpbtn.frame = CGRect(x: 374, y: 500, width: 40, height: 40)
    gpbtn.addTarget(self, action: #selector(gpsAction), for: .touchUpInside)
    gpbtn.setImage(UIImage(named:"gps.jpg"), for: .normal)

func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation])
    var location123 = CLLocation()

    location123 = locations[0]

    let coordinate:CLLocationCoordinate2D! = CLLocationCoordinate2DMake(location123.coordinate.latitude, location123.coordinate.longitude)

    let camera = coordinate, zoom: 16.0) = camera
    self.initialcameraposition = camera
    self.marker.position = coordinate


func mapView(_ mapView: GMSMapView, idleAt position: GMSCameraPosition)

func currentAddres(_ coordinate:CLLocationCoordinate2D) -> Void
    geoCoder.reverseGeocodeCoordinate(coordinate) { (response, error) in

        if error == nil
            if response != nil

                let address:GMSAddress! = response!.firstResult()

                if address != nil
                   let addressArray:NSArray! = address.lines! as NSArray

                    if addressArray.count > 1
                        var convertAddress:AnyObject! = addressArray.object(at: 0) as AnyObject!
                        let space = ","
                        let convertAddress1:AnyObject! = addressArray.object(at: 1) as AnyObject!
                        let country:AnyObject! = as AnyObject!

                        convertAddress = (((convertAddress.appending(space) + (convertAddress1 as! String)) + space) + (country as! String)) as AnyObject

                        self.currentlocationlbl.text = "\(convertAddress!)".appending(".")
                        self.currentlocationlbl.text = "Fetching current location failure!!!!"




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