 import UIKit
 import Mapbox
 
-class ViewController: UIViewController {
+class ViewController: UIViewController, MGLMapViewDelegate {
     
     var mapView: MGLMapView!
     

        
        // Add annotation `point` to the map
        mapView.addAnnotation(point)
        
        view.addSubview(mapView)
    }

    override func didReceiveMemoryWarning() {

        
        // Set the map's center coordinate -26.4537736,-49.1179425
        mapView.setCenterCoordinate(CLLocationCoordinate2D(latitude: lat, longitude: lon), zoomLevel: 15, animated: false)
        view.addSubview(mapView)
        
        // Set the delegate property of our map view to self after instantiating it.
        mapView.delegate = self
        
        // Declare the annotation `point` and set its coordinates, title, and subtitle
        let point = MGLPointAnnotation()
