Maps

import UIKit

import CoreLocation

import MapKit

class MapViewController: UIViewController,MKMapViewDelegate,CLLocationManagerDelegate {

    var locationManager: CLLocationManager?

    var userLocation : MKUserLocation?

    @IBOutlet weak var map: MKMapView!

    

    

    override func viewDidLoad() {

        super.viewDidLoad()

        locationManager = CLLocationManager()

        

        locationManager?.desiredAccuracy = kCLLocationAccuracyBest

        locationManager?.requestWhenInUseAuthorization()

        locationManager?.startUpdatingLocation()

        

        map.showsUserLocation = true

        

        map.delegate = self

        locationManager?.delegate = self

        // Do any additional setup after loading the view.

    }

   

    @IBAction func mapview(_ sender: Any) {

         //map.mapType = MKMapType.hybrid   // satellite view 

        takeScreenshot(view: map) . // screen shot

    }

    

    override func motionBegan(_ motion: UIEventSubtype, with event: UIEvent?) {

        if motion == UIEventSubtype.motionShake {

            addAnnotation()

        }

    }

    

    func takeScreenshot(view: UIView) -> UIImageView {

        UIGraphicsBeginImageContext(view.frame.size)

        view.layer.render(in: UIGraphicsGetCurrentContext()!)

        let image = UIGraphicsGetImageFromCurrentImageContext()

        UIGraphicsEndImageContext()

        UIImageWriteToSavedPhotosAlbum(image!, nil, nil, nil)

        

        return UIImageView(image: image)

    }

    

    func addAnnotation() {

        if let uLocation = userLocation {

            let annotation = PizzaAnnotation(coordinate: uLocation.coordinate, title: "Pizaa", subtitle: "Cheese")

            self.map.addAnnotation(annotation)

        }

    }

    

    

    func mapView(_ mapView: MKMapView, didUpdate userLocation: MKUserLocation) {

        let region = MKCoordinateRegionMakeWithDistance(userLocation.coordinate, 600, 500)

        self.map.setRegion(region, animated: true)

        self.userLocation = userLocation

    }

}

Note: Must on Maps: Project -- > capabilities --> Maps