private async void Initialize()
{
// Create a new Map instance with the basemap.
Map map = new Map(SpatialReferences.Wgs84)
{
Basemap = Basemap.CreateTopographic()
};
// Create a new ArcGISMapImageLayer instance and pass a URL to the service.
_mapImageLayer = new ArcGISMapImageLayer(new Uri("https://sampleserver6.arcgisonline.com/arcgis/rest/services/SampleWorldCities/MapServer"));
// Assign the Map to the MapView.
_myMapView.Map = map;
// Create a new instance of the Sublayers Table View Controller. This View Controller
// displays a table of sublayers with a switch for setting the layer visibility.
_sublayersTableView = new SublayersTable();
try
{
// Await the load call for the layer.
await _mapImageLayer.LoadAsync();
// Add the map image layer to the map's operational layers.
map.OperationalLayers.Add(_mapImageLayer);
}
catch (Exception e)
{
new UIAlertView("Error", e.ToString(), (IUIAlertViewDelegate)null, "OK", null).Show();
}
}
private async void Initialize()
{
// Create a new ArcGISMapImageLayer instance and pass a URL to the service.
var mapImageLayer = new ArcGISMapImageLayer(new Uri("https://sampleserver6.arcgisonline.com/arcgis/rest/services/SampleWorldCities/MapServer"));
// Await the load call for the layer..
await mapImageLayer.LoadAsync();
// Create a new Map instance with the basemap..
Map map = new Map(SpatialReferences.Wgs84)
{
Basemap = Basemap.CreateTopographic()
};
// Add the map image layer to the map's operational layers.
map.OperationalLayers.Add(mapImageLayer);
// Assign the Map to the MapView.
_myMapView.Map = map;
// Create a new instance of the Sublayers Table View Controller. This View Controller
// displays a table of sublayers with a switch for setting the layer visibility.
SublayersTable sublayersTableView = new SublayersTable();
// When the sublayers button is clicked, load the Sublayer Table View Controller.
_sublayersButton.TouchUpInside += (s, e) =>
{
if (mapImageLayer.Sublayers.Count > 0)
{
sublayersTableView.MapImageLayer = mapImageLayer;
NavigationController.PushViewController(sublayersTableView, true);
}
};
}
public override async void ViewDidLoad()
{
base.ViewDidLoad();
// Create a new ArcGISMapImageLayer instance and pass a Url to the service
var mapImageLayer = new ArcGISMapImageLayer(
new Uri("https://sampleserver6.arcgisonline.com/arcgis/rest/services/SampleWorldCities/MapServer"));
// Await the load call for the layer.
await mapImageLayer.LoadAsync();
// Create a new Map instance with the basemap
Map myMap = new Map(SpatialReferences.Wgs84);
myMap.Basemap = Basemap.CreateTopographic();
// Add the map image layer to the map's operational layers
myMap.OperationalLayers.Add(mapImageLayer);
// Assign the Map to the MapView
myMapView.Map = myMap;
sublayersButton.BackgroundColor = UIColor.White;
sublayersButton.SetTitle("Sublayers", UIControlState.Normal);
sublayersButton.SetTitleColor(UIColor.Blue, UIControlState.Normal);
// Create a new instance of the Sublayers Table View Controller. This View Controller
// displays a table of sublayers with a switch for setting the layer visibility.
SublayersTable sublayersTableView = new SublayersTable();
// When the sublayers button is clicked, load the Sublayers Table View Controller
sublayersButton.TouchUpInside += (s, e) =>
{
if (mapImageLayer.Sublayers.Count > 0)
{
sublayersTableView.mapImageLayer = mapImageLayer;
NavigationController.PushViewController(sublayersTableView, true);
}
};
// Add the MapView and Sublayers button to the View
View.AddSubviews(myMapView, sublayersButton);
}