private void Initialize()
{
// Create a new ArcGISVectorTiledLayer with the navigation serice Url
_vectorTiledLayer = new ArcGISVectorTiledLayer(new Uri(_navigationUrl));
// Create new Map with basemap
Map myMap = new Map(new Basemap(_vectorTiledLayer));
// Provide used Map to the MapView
_myMapView.Map = myMap;
}