first swift ArcGIS mapping app... boom!

gistfile1.txt

class ViewController: UIViewController {
                            
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
        
        let map = AGSMapView(frame:self.view.bounds)
        let osm = AGSOpenStreetMapLayer()
        map.addMapLayer(osm)
        self.view.addSubview(map);
    }
}