Fixed example project

Example/MapKitGoogleStyler/ViewController.swift

@@ -11,28 +11,42 @@ import MapKit
 import MapKitGoogleStyler
 
 class ViewController: UIViewController {
-
+    
     @IBOutlet weak var mapView: MKMapView!
 
     override func viewDidLoad() {
         super.viewDidLoad()
 
-        guard let jsonURL = Bundle.main.url(forResource: "MapStyle", withExtension: "json") else {
-            print("Invalid json url")
+        mapView.delegate = self
+        configureTileOverlay()
+    }
+
+    func configureTileOverlay() {
+        // We first need to have the path of the overlay configuration JSON
+        guard let overlayFileURLString = Bundle.main.path(forResource: "MapStyle", ofType: "json") else {
             return
         }
+        let overlayFileURL = URL(fileURLWithPath: overlayFileURLString)
 
-        do {
-            try mapView.customize(withJSONFileURL: jsonURL)
-        } catch let error {
-            print("Error! \(error)")
+        // After that, you can create the tile overlay using MapKitGoogleStyler
+        guard let tileOverlay = try? MapKitGoogleStyler.buildOverlay(with: overlayFileURL) else {
+            return
         }
+
+        // And finally add it to your MKMapView
+        mapView.add(tileOverlay)
     }
+}
 
-    override func didReceiveMemoryWarning() {
-        super.didReceiveMemoryWarning()
-        // Dispose of any resources that can be recreated.
+extension ViewController: MKMapViewDelegate {
+    func mapView(_ mapView: MKMapView, rendererFor overlay: MKOverlay) -> MKOverlayRenderer {
+        // This is the final step. This code can be copied and pasted into your project
+        // without thinking on it so much. It simply instantiates a MKTileOverlayRenderer
+        // for displaying the tile overlay.
+        if let tileOverlay = overlay as? MKTileOverlay {
+            return MKTileOverlayRenderer(tileOverlay: tileOverlay)
+        } else {
+            return MKOverlayRenderer(overlay: overlay)
+        }
     }
-
 }
-