Apple Map -- Swift4

Plist:

Privacy - Location When In Use Usage Description
Privacy - Location Usage Description

Code Implementation:

import UIKit

import CoreLocation

import MapKit

class ViewController: UIViewController , CLLocationManagerDelegate ,MKMapViewDelegate {

    @IBOutlet weak var loca_map: MKMapView!

    let locationMgr = CLLocationManager()

    override func viewDidLoad() {

        super.viewDidLoad()

        loca_map.delegate=self

        loca_map.showsUserLocation=true

        locationMgr.delegate = self

        

        locationMgr.delegate = self;

        locationMgr.desiredAccuracy = kCLLocationAccuracyThreeKilometers;

       

        let authorizationStatus = CLLocationManager.authorizationStatus()

        

        if (authorizationStatus == CLAuthorizationStatus.notDetermined) || (authorizationStatus == nil) {

            locationMgr.requestWhenInUseAuthorization()

        } else {

            locationMgr.startUpdatingLocation()

        }

        

        let coord = CLLocation (latitude: 12.961945, longitude: 80.258784)

        

        let CLLCoordType = CLLocationCoordinate2D(latitude: coord.coordinate.latitude,

                                                  longitude: coord.coordinate.longitude);

        let anno = MKPointAnnotation();

        anno.coordinate = CLLCoordType;

        loca_map.addAnnotation(anno);

        

        // Do any additional setup after loading the view, typically from a nib.

    }

    override func didReceiveMemoryWarning() {

        super.didReceiveMemoryWarning()

        // Dispose of any resources that can be recreated.

    }

    func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {

        let currentLocation = locations.last!

        print("Current location: \(currentLocation)")

        let viewRegion = MKCoordinateRegionMakeWithDistance(currentLocation.coordinate, 500, 500)

        loca_map.setRegion(viewRegion, animated: false)

    }

}