protected override void OnCreate(Android.OS.Bundle savedInstanceState) { base.OnCreate(savedInstanceState); ContentView = new OfflineRoutingView(this); SetContentView(ContentView); Initialize(ContentView.MapView); RoutingPackageManager = Routing.PackageManager; // Routing packages are as compact as possible, // so we create a second package manager to download region packages that contain names // This is only necessary for displaying them in a list. Download is by id MapPackageManager = new CartoPackageManager("nutiteq.osm", Routing.CreateFolder("regionpackages")); // Create offline routing service connected to package manager Routing.Service = new PackageManagerRoutingService(RoutingPackageManager); Alert("This sample uses an online map, but downloads routing packages"); Alert("Click on the menu to see a list of countries that can be downloaded"); }