private async void Initialize()
{
// Create and add the map.
_mapView.Map = new Map(Basemap.CreateImagery());
// Configure location display.
_mapView.LocationDisplay.AutoPanMode = LocationDisplayAutoPanMode.Recenter;
await _mapView.LocationDisplay.DataSource.StartAsync();
_mapView.LocationDisplay.IsEnabled = true;
// Add a graphics overlay for the drawn pipes.
_mapView.GraphicsOverlays.Add(_pipesOverlay);
_pipesOverlay.Renderer = new SimpleRenderer(new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.Red, 2));
// Set the SketchEditor for the map.
_mapView.SketchEditor = _sketchEditor;
// Create an elevation source and Surface.
_elevationSource = new ArcGISTiledElevationSource(new Uri("https://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer"));
await _elevationSource.LoadAsync();
_elevationSurface = new Surface();
_elevationSurface.ElevationSources.Add(_elevationSource);
await _elevationSurface.LoadAsync();
// Enable the add button.
_addButton.Enabled = true;
}
private async void Initialize()
{
// Create and add the map.
MyMapView.Map = new Map(BasemapStyle.ArcGISImageryStandard);
MyMapView.PropertyChanged += async(o, e) =>
{
if (e.PropertyName == nameof(MyMapView.LocationDisplay) && MyMapView.LocationDisplay != null)
{
// Start the location display on the mapview.
try
{
// Permission request only needed on Android.
#if XAMARIN_ANDROID
// See implementation in MainActivity.cs in the Android platform project.
bool permissionGranted = await MainActivity.Instance.AskForLocationPermission();
if (!permissionGranted)
{
throw new Exception("Location permission not granted.");
}
#endif
MyMapView.LocationDisplay.AutoPanMode = LocationDisplayAutoPanMode.Recenter;
await MyMapView.LocationDisplay.DataSource.StartAsync();
MyMapView.LocationDisplay.IsEnabled = true;
}
catch (Exception ex)
{
Debug.WriteLine(ex);
await Application.Current.MainPage.DisplayAlert("Couldn't start location", ex.Message, "OK");
}
}
};
// Add a graphics overlay for the drawn pipes.
MyMapView.GraphicsOverlays.Add(_pipesOverlay);
_pipesOverlay.Renderer = new SimpleRenderer(new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.Red, 2));
// Set the SketchEditor for the map.
MyMapView.SketchEditor = _sketchEditor;
try
{
// Create an elevation source and Surface.
_elevationSource = new ArcGISTiledElevationSource(new Uri("https://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer"));
await _elevationSource.LoadAsync();
_elevationSurface = new Surface();
_elevationSurface.ElevationSources.Add(_elevationSource);
await _elevationSurface.LoadAsync();
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
await Application.Current.MainPage.DisplayAlert("Error", "Failed to load elevation.", "OK");
}
// Enable the add button.
AddButton.IsEnabled = true;
}
