// Calculate the route
private async void MyMapView_MapViewDoubleTapped(object sender, Esri.ArcGISRuntime.Controls.MapViewInputEventArgs e)
{
if (_stopsOverlay.Graphics.Count() < 2)
{
return;
}
try
{
e.Handled = true;
panelResults.Visibility = Visibility.Collapsed;
progress.Visibility = Visibility.Visible;
RouteParameters routeParams = await _routeTask.GetDefaultParametersAsync();
routeParams.OutSpatialReference = MyMapView.SpatialReference;
routeParams.ReturnDirections = true;
routeParams.DirectionsLengthUnit = LinearUnits.Miles;
routeParams.DirectionsLanguage = new CultureInfo("en-Us"); // CultureInfo.CurrentCulture;
routeParams.SetStops(_stopsOverlay.Graphics);
var routeResult = await _routeTask.SolveAsync(routeParams);
if (routeResult == null || routeResult.Routes == null || routeResult.Routes.Count() == 0)
{
throw new Exception("No route could be calculated");
}
var route = routeResult.Routes.First();
_routesOverlay.Graphics.Add(new Graphic(route.RouteFeature.Geometry));
_directionsOverlay.GraphicsSource = route.RouteDirections.Select(rd => GraphicFromRouteDirection(rd));
var totalTime = route.RouteDirections.Select(rd => rd.Time).Aggregate(TimeSpan.Zero, (p, v) => p.Add(v));
var totalLength = route.RouteDirections.Select(rd => rd.GetLength(LinearUnits.Miles)).Sum();
txtRouteTotals.Text = string.Format("Time: {0:h':'mm':'ss} / Length: {1:0.00} mi", totalTime, totalLength);
await MyMapView.SetViewAsync(route.RouteFeature.Geometry.Extent.Expand(1.25));
}
catch (AggregateException ex)
{
var message = ex.Message;
var innermostExceptions = ex.Flatten().InnerExceptions;
if (innermostExceptions != null && innermostExceptions.Count > 0)
{
message = innermostExceptions[0].Message;
}
var _x = new MessageDialog(message, "Sample Error").ShowAsync();
}
catch (Exception ex)
{
var _x = new MessageDialog(ex.Message, "Sample Error").ShowAsync();
}
finally
{
progress.Visibility = Visibility.Collapsed;
if (_directionsOverlay.Graphics.Count() > 0)
{
panelResults.Visibility = Visibility.Visible;
}
}
}
// Geocode input address and add result graphics to the map
private async void FindButton_Click(object sender, RoutedEventArgs e)
{
try
{
progress.Visibility = Visibility.Visible;
listResults.Visibility = Visibility.Collapsed;
_graphicsOverlay.GraphicsSource = null;
// Street, City, State, ZIP
Dictionary <string, string> address = new Dictionary <string, string>();
if (!string.IsNullOrEmpty(InputAddress.Text))
{
address.Add("Street", InputAddress.Text);
}
if (!string.IsNullOrEmpty(City.Text))
{
address.Add("City", City.Text);
}
if (!string.IsNullOrEmpty(State.Text))
{
address.Add("State", State.Text);
}
if (!string.IsNullOrEmpty(Zip.Text))
{
address.Add("ZIP", Zip.Text);
}
if (_locatorTask == null)
{
var path = System.IO.Path.Combine(ApplicationData.Current.LocalFolder.Path, LOCATOR_PATH);
_locatorTask = await Task.Run <LocalLocatorTask>(() => new LocalLocatorTask(path));
}
var candidateResults = await _locatorTask.GeocodeAsync(
address, new List <string> {
"Match_addr"
}, MyMapView.SpatialReference, CancellationToken.None);
_graphicsOverlay.GraphicsSource = candidateResults
.Select(result => new Graphic(result.Location, new Dictionary <string, object> {
{ "Locator", result }
}));
await MyMapView.SetViewAsync(ExtentFromGraphics().Expand(2));
}
catch (AggregateException ex)
{
var innermostExceptions = ex.Flatten().InnerExceptions;
if (innermostExceptions != null && innermostExceptions.Count > 0)
{
var _x = new MessageDialog(string.Join(" > ", innermostExceptions.Select(i => i.Message).ToArray())).ShowAsync();
}
else
{
var _x = new MessageDialog(ex.Message, "Sample Error").ShowAsync();
}
}
catch (System.Exception ex)
{
var _x = new MessageDialog(ex.Message, "Sample Error").ShowAsync();
}
finally
{
progress.Visibility = Visibility.Collapsed;
if (_graphicsOverlay.GraphicsSource != null)
{
listResults.Visibility = Visibility.Visible;
}
}
}