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RouteTaskInfo Class

A class that describes the transportation network that a route task is bound to.
Inheritance Hierarchy
SystemObject
  Esri.ArcGISRuntime.Tasks.NetworkAnalysisRouteTaskInfo

Namespace:  Esri.ArcGISRuntime.Tasks.NetworkAnalysis
Assembly:  Esri.ArcGISRuntime (in Esri.ArcGISRuntime.dll) Version: 100.7.0.0
Syntax
C#
public sealed class RouteTaskInfo

The RouteTaskInfo type exposes the following members.

Properties
  NameDescription
Public propertyAccumulateAttributeNames
Gets accumulate attribute names.
Public propertyCostAttributes
Gets cost attributes.
Public propertyDefaultTravelModeName
Gets default travel mode's name.
Public propertyDirectionsDistanceUnits
Gets directions distance text units.
Public propertyDirectionsLanguage
Gets directions language.
Public propertyDirectionsStyle
Gets directions style.
Public propertyDirectionsSupport
Gets a value indicating whether the underlying network dataset supports the returning of directions.
Public propertyFindBestSequence
Gets find best sequence.
Public propertyMaxLocatingDistance
Gets the maximum distance that Network Analyst searches when locating or relocating a point onto the network.
Public propertyNetworkName
Gets network name.
Public propertyOutputSpatialReference
Gets output spatial reference.
Public propertyPreserveFirstStop
Gets preserve first stop.
Public propertyPreserveLastStop
Gets preserve last stop.
Public propertyRestrictionAttributes
Gets restriction attributes.
Public propertyRouteShapeType
Gets route shape type.
Public propertyStartTime
Gets start time in UTC.
Public propertySupportedLanguages
Gets array of supported languages.
Public propertySupportedRestrictionUsageParameterValues
Gets array of supported restriction usage parameter values.
Public propertyCode exampleSupportsRerouting
Gets a boolean value indicating whether or not rerouting is supported.
Public propertyCode exampleTravelModes
Gets array of travel modes.
Top
Examples

Android

Example Name: OfflineRouting

Solve a route on-the-fly using offline data.

Code example screen shot.

C#
// Copyright 2019 Esri.
// 
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
// You may obtain a copy of the License at: http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an 
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific 
// language governing permissions and limitations under the License.

using Android.App;
using Android.OS;
using Android.Widget;
using ArcGISRuntime;
using ArcGISRuntime.Samples.Managers;
using Esri.ArcGISRuntime.Geometry;
using Esri.ArcGISRuntime.Mapping;
using Esri.ArcGISRuntime.Symbology;
using Esri.ArcGISRuntime.Tasks.NetworkAnalysis;
using Esri.ArcGISRuntime.UI;
using Esri.ArcGISRuntime.UI.Controls;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;

namespace ArcGISRuntimeXamarin.Samples.OfflineRouting
{
    [Activity(ConfigurationChanges = Android.Content.PM.ConfigChanges.Orientation | Android.Content.PM.ConfigChanges.ScreenSize)]
    [ArcGISRuntime.Samples.Shared.Attributes.Sample(
        "Offline routing",
        "Network Analysis",
        "Solve a route on-the-fly using offline data.",
        "")]
    [ArcGISRuntime.Samples.Shared.Attributes.OfflineData("567e14f3420d40c5a206e5c0284cf8fc")]
    [ArcGISRuntime.Samples.Shared.Attributes.AndroidLayout("OfflineRouting.axml")]
    public class OfflineRouting : Activity
    {
        // Hold references to the UI controls.
        private MapView _myMapView;
        private TextView _instructionLabel;
        private Spinner _travelModeSpinner;
        private Button _resetButton;

        // Graphics overlays for holding graphics.
        private GraphicsOverlay _stopsOverlay;
        private GraphicsOverlay _routeOverlay;

        // Route task and parameters.
        private RouteTask _offlineRouteTask;
        private RouteParameters _offlineRouteParameters;

        // List of travel modes, like 'Fastest' and 'Shortest'.
        private List<TravelMode> _availableTravelModes;

        // The area covered by the geodatabase used for offline routing.
        private readonly Envelope _routableArea = new Envelope(new MapPoint(-13045352.223196, 3864910.900750, 0, SpatialReferences.WebMercator),
            new MapPoint(-13024588.857198, 3838880.505604, 0, SpatialReferences.WebMercator));

        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);

            Title = "Offline routing";

            CreateLayout();
            Initialize();
        }

        private async void Initialize()
        {
            try
            {
                // Get the paths to resources used by the sample.
                string basemapTilePath = DataManager.GetDataFolder("567e14f3420d40c5a206e5c0284cf8fc", "streetmap_SD.tpk");
                string networkGeodatabasePath = DataManager.GetDataFolder("567e14f3420d40c5a206e5c0284cf8fc", "sandiego.geodatabase");

                // Create the tile cache representing the offline basemap.
                TileCache tiledBasemapCache = new TileCache(basemapTilePath);

                // Create a tiled layer to display the offline tiles.
                ArcGISTiledLayer offlineTiledLayer = new ArcGISTiledLayer(tiledBasemapCache);

                // Create a basemap based on the tile layer.
                Basemap offlineBasemap = new Basemap(offlineTiledLayer);

                // Create a new map with the offline basemap.
                Map theMap = new Map(offlineBasemap);

                // Set the initial viewpoint to show the routable area.
                theMap.InitialViewpoint = new Viewpoint(_routableArea);

                // Show the map in the map view.
                _myMapView.Map = theMap;

                // Create overlays for displaying the stops and the calculated route.
                _stopsOverlay = new GraphicsOverlay();
                _routeOverlay = new GraphicsOverlay();

                // Create a symbol and renderer for symbolizing the calculated route.
                SimpleLineSymbol routeSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, Color.Blue, 2);
                _routeOverlay.Renderer = new SimpleRenderer(routeSymbol);

                // Add the stops and route overlays to the map.
                _myMapView.GraphicsOverlays.Add(_stopsOverlay);
                _myMapView.GraphicsOverlays.Add(_routeOverlay);

                // Create the route task, referring to the offline geodatabase with the street network.
                _offlineRouteTask = await RouteTask.CreateAsync(networkGeodatabasePath, "Streets_ND");

                // Get the list of available travel modes.
                _availableTravelModes = _offlineRouteTask.RouteTaskInfo.TravelModes.ToList();

                // Update the UI with the travel modes list.
                ArrayAdapter<string> spinnerListAdapter = new ArrayAdapter<string>(this,
                    Android.Resource.Layout.SimpleSpinnerItem, _availableTravelModes.Select(travelMode => travelMode.Name).ToArray());
                _travelModeSpinner.Adapter = spinnerListAdapter;
                _travelModeSpinner.SetSelection(0);

                // Create the default parameters.
                _offlineRouteParameters = await _offlineRouteTask.CreateDefaultParametersAsync();

                // Display the extent of the road network on the map.
                DisplayBoundaryMarker();

                // Now that the sample is ready, hook up the tapped and hover events.
                _myMapView.GeoViewTapped += MapView_Tapped;
                _travelModeSpinner.ItemSelected += TravelMode_SelectionChanged;
            }
            catch (Exception e)
            {
                System.Diagnostics.Debug.WriteLine(e);
                ShowMessage("Couldn't start sample", "There was a problem starting the sample. See debug output for details.");
            }
        }

        private void DisplayBoundaryMarker()
        {
            // Displaying the boundary marker helps avoid choosing a non-routable destination.
            SimpleLineSymbol boundarySymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Dash, Color.LawnGreen, 5);
            Graphic boundary = new Graphic(_routableArea, boundarySymbol);
            GraphicsOverlay boundaryOverlay = new GraphicsOverlay();
            boundaryOverlay.Graphics.Add(boundary);
            _myMapView.GraphicsOverlays.Add(boundaryOverlay);
        }

        private void ResetRoute()
        {
            _routeOverlay.Graphics.Clear();
            _stopsOverlay.Graphics.Clear();
        }

        private async void UpdateRoute(TravelMode selectedTravelMode)
        {
            try
            {
                // Create a list of stops.
                List<Stop> stops = new List<Stop>();

                // Add a stop to the list for each graphic in the stops overlay.
                foreach (Graphic stopGraphic in _stopsOverlay.Graphics)
                {
                    Stop stop = new Stop((MapPoint) stopGraphic.Geometry);
                    stops.Add(stop);
                }

                if (stops.Count < 2)
                {
                    // Don't route, there's no where to go (and the route task would throw an exception).
                    return;
                }

                // Configure the route parameters with the list of stops.
                _offlineRouteParameters.SetStops(stops);

                // Configure the travel mode.
                _offlineRouteParameters.TravelMode = selectedTravelMode;

                // Solve the route.
                RouteResult offlineRouteResult = await _offlineRouteTask.SolveRouteAsync(_offlineRouteParameters);

                // Clear the old route result.
                _routeOverlay.Graphics.Clear();

                // Get the geometry from the route result.
                Polyline routeGeometry = offlineRouteResult.Routes.First().RouteGeometry;

                // Note: symbology left out here because the symbology was set once on the graphics overlay.
                Graphic routeGraphic = new Graphic(routeGeometry);

                // Display the route.
                _routeOverlay.Graphics.Add(routeGraphic);
            }
            catch (Exception e)
            {
                System.Diagnostics.Debug.WriteLine(e);
                ShowMessage("Couldn't update route", "There was an error updating the route. See debug output for details. Stop selection has been reset.");
            }
        }

        private async void AddStop(Android.Graphics.PointF tappedPosition)
        {
            try
            {
                // Get the location on the map.
                MapPoint tappedLocation = _myMapView.ScreenToLocation(tappedPosition);

                // Name the stop by its number.
                string stopName = $"{_stopsOverlay.Graphics.Count + 1}";

                // Create a pushpin marker for the stop.
                PictureMarkerSymbol pushpinMarker = await GetPictureMarker();

                // Create the text symbol for labeling the stop.
                TextSymbol stopSymbol = new TextSymbol(stopName, Color.White, 15,
                    HorizontalAlignment.Center, VerticalAlignment.Middle);
                stopSymbol.OffsetY = 15;

                // Create a combined symbol with the pushpin and the label.
                CompositeSymbol combinedSymbol = new CompositeSymbol(new MarkerSymbol[] {pushpinMarker, stopSymbol});

                // Create the graphic from the geometry and the symbology.
                Graphic newStopGraphic = new Graphic(tappedLocation, combinedSymbol);

                // Add the stop to the overlay.
                _stopsOverlay.Graphics.Add(newStopGraphic);
            }
            catch (Exception e)
            {
                System.Diagnostics.Debug.WriteLine(e);
                ShowMessage("Couldn't select or add stop", "Couldn't select or add stop. See debug output for details.");
            }
        }

        private async Task<PictureMarkerSymbol> GetPictureMarker()
        {
            // Get current assembly that contains the image.
            Assembly currentAssembly = Assembly.GetExecutingAssembly();

            // Get image as a stream from the resources.
            // Picture is defined as EmbeddedResource and DoNotCopy.
            Stream resourceStream = currentAssembly.GetManifestResourceStream(
                "ArcGISRuntime.Resources.PictureMarkerSymbols.pin_blue.png");

            // Create new symbol using asynchronous factory method from stream.
            PictureMarkerSymbol pinSymbol = await PictureMarkerSymbol.CreateAsync(resourceStream);
            pinSymbol.Width = 50;
            pinSymbol.Height = 50;
            pinSymbol.LeaderOffsetX = 30;
            pinSymbol.OffsetY = 14;

            return pinSymbol;
        }

        private void ResetButton_Click(object sender, EventArgs e) => ResetRoute();

        private void MapView_Tapped(object sender, GeoViewInputEventArgs e)
        {
            // Make sure the user isn't adding too many stops.
            if (_stopsOverlay.Graphics.Count >= 5)
            {
                ShowMessage("Can't add stop.", "Sample limits to 5 stops per route.");
                return;
            }

            // Make sure the stop is valid before proceeding.
            if (!GeometryEngine.Contains(_routableArea, e.Location))
            {
                ShowMessage("Can't add stop.", "That location is outside of the area where offline routing data is available.");
                return;
            }

            // Add the stop.
            AddStop(e.Position);

            // Update the route with the final list of stops.
            TravelMode selectedTravelMode = _availableTravelModes[_travelModeSpinner.SelectedItemPosition];
            UpdateRoute(selectedTravelMode);
        }


        private void TravelMode_SelectionChanged(object sender, EventArgs e)
        {
            try
            {
                // Get the selected travel mode.
                TravelMode selectedTravelMode = _availableTravelModes[_travelModeSpinner.SelectedItemPosition];

                // Update the route.
                UpdateRoute(selectedTravelMode);
            }
            catch (Exception ex)
            {
                System.Diagnostics.Debug.WriteLine(ex);
                ShowMessage("Couldn't change travel mode", "Couldn't change travel mode. See debug output for details.");
            }
        }

        private void ShowMessage(string title, string detail) => new AlertDialog.Builder(this).SetTitle(title).SetMessage(detail).Show();

        private void CreateLayout()
        {
            // Load the layout for the sample from the .axml file.
            SetContentView(Resource.Layout.OfflineRouting);

            // Hook up references to controls.
            _myMapView = FindViewById<MapView>(Resource.Id.OfflineRouting_MyMapView);
            _resetButton = FindViewById<Button>(Resource.Id.OfflineRouting_ResetButton);
            _instructionLabel = FindViewById<TextView>(Resource.Id.OfflineRouting_InstructionLabel);
            _travelModeSpinner = FindViewById<Spinner>(Resource.Id.OfflineRouting_TravelModeSpinner);

            // Set up reset button event.
            _resetButton.Click += ResetButton_Click;

            // Update the label text.
            _instructionLabel.Text = "Tap to add up to 5 stops. The route will display automatically.";
        }
    }
}
Examples

Xamarin Forms Android

Example Name: OfflineRouting

Solve a route on-the-fly using offline data.

Code example screen shot.

C#
// Copyright 2019 Esri.
// 
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
// You may obtain a copy of the License at: http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an 
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific 
// language governing permissions and limitations under the License.

using ArcGISRuntime.Samples.Managers;
using Esri.ArcGISRuntime.Geometry;
using Esri.ArcGISRuntime.Mapping;
using Esri.ArcGISRuntime.Symbology;
using Esri.ArcGISRuntime.Tasks.NetworkAnalysis;
using Esri.ArcGISRuntime.UI;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;
using Xamarin.Forms;

namespace ArcGISRuntimeXamarin.Samples.OfflineRouting
{
    [ArcGISRuntime.Samples.Shared.Attributes.Sample(
        "Offline routing",
        "Network Analysis",
        "Solve a route on-the-fly using offline data.",
        "")]
    [ArcGISRuntime.Samples.Shared.Attributes.OfflineData("567e14f3420d40c5a206e5c0284cf8fc")]
    public partial class OfflineRouting : ContentPage
    {
        // Graphics overlays for holding graphics.
        private GraphicsOverlay _stopsOverlay;
        private GraphicsOverlay _routeOverlay;

        // Route task and parameters.
        private RouteTask _offlineRouteTask;
        private RouteParameters _offlineRouteParameters;

        // List of travel modes, like 'Fastest' and 'Shortest'.
        private List<TravelMode> _availableTravelModes;

        // The area covered by the geodatabase used for offline routing.
        private readonly Envelope _routableArea = new Envelope(new MapPoint(-13045352.223196, 3864910.900750, 0, SpatialReferences.WebMercator),
            new MapPoint(-13024588.857198, 3838880.505604, 0, SpatialReferences.WebMercator));

        public OfflineRouting()
        {
            InitializeComponent();
            Initialize();
        }

        private async void Initialize()
        {
            try
            {
                // Get the paths to resources used by the sample.
                string basemapTilePath = DataManager.GetDataFolder("567e14f3420d40c5a206e5c0284cf8fc", "streetmap_SD.tpk");
                string networkGeodatabasePath = DataManager.GetDataFolder("567e14f3420d40c5a206e5c0284cf8fc", "sandiego.geodatabase");

                // Create the tile cache representing the offline basemap.
                TileCache tiledBasemapCache = new TileCache(basemapTilePath);

                // Create a tiled layer to display the offline tiles.
                ArcGISTiledLayer offlineTiledLayer = new ArcGISTiledLayer(tiledBasemapCache);

                // Create a basemap based on the tile layer.
                Basemap offlineBasemap = new Basemap(offlineTiledLayer);

                // Create a new map with the offline basemap.
                Map theMap = new Map(offlineBasemap);

                // Set the initial viewpoint to show the routable area.
                theMap.InitialViewpoint = new Viewpoint(_routableArea);

                // Show the map in the map view.
                MyMapView.Map = theMap;

                // Create overlays for displaying the stops and the calculated route.
                _stopsOverlay = new GraphicsOverlay();
                _routeOverlay = new GraphicsOverlay();

                // Create a symbol and renderer for symbolizing the calculated route.
                SimpleLineSymbol routeSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, Color.Blue, 2);
                _routeOverlay.Renderer = new SimpleRenderer(routeSymbol);

                // Add the stops and route overlays to the map.
                MyMapView.GraphicsOverlays.Add(_stopsOverlay);
                MyMapView.GraphicsOverlays.Add(_routeOverlay);

                // Create the route task, referring to the offline geodatabase with the street network.
                _offlineRouteTask = await RouteTask.CreateAsync(networkGeodatabasePath, "Streets_ND");

                // Get the list of available travel modes.
                _availableTravelModes = _offlineRouteTask.RouteTaskInfo.TravelModes.ToList();

                // Update the UI with the travel modes list.
                TravelModesCombo.ItemsSource = _availableTravelModes.ToList();
                TravelModesCombo.SelectedIndex = 0;

                // Create the default parameters.
                _offlineRouteParameters = await _offlineRouteTask.CreateDefaultParametersAsync();

                // Display the extent of the road network on the map.
                DisplayBoundaryMarker();

                // Now that the sample is ready, hook up the tap event.
                MyMapView.GeoViewTapped += MapView_Tapped;
                TravelModesCombo.SelectedIndexChanged += TravelMode_SelectionChanged;
            }
            catch (Exception e)
            {
                System.Diagnostics.Debug.WriteLine(e);
                ShowMessage("Couldn't start sample", "There was a problem starting the sample. See debug output for details.");
            }
        }

        private void DisplayBoundaryMarker()
        {
            // Displaying the boundary marker helps avoid choosing a non-routable destination.
            SimpleLineSymbol boundarySymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Dash, Color.LawnGreen, 5);
            Graphic boundary = new Graphic(_routableArea, boundarySymbol);
            GraphicsOverlay boundaryOverlay = new GraphicsOverlay();
            boundaryOverlay.Graphics.Add(boundary);
            MyMapView.GraphicsOverlays.Add(boundaryOverlay);
        }

        private void ResetRoute()
        {
            _routeOverlay.Graphics.Clear();
            _stopsOverlay.Graphics.Clear();
        }

        private async void UpdateRoute(TravelMode selectedTravelMode)
        {
            try
            {
                // Create a list of stops.
                List<Stop> stops = new List<Stop>();

                // Add a stop to the list for each graphic in the stops overlay.
                foreach (Graphic stopGraphic in _stopsOverlay.Graphics)
                {
                    Stop stop = new Stop((MapPoint) stopGraphic.Geometry);
                    stops.Add(stop);
                }

                if (stops.Count < 2)
                {
                    // Don't route, there's no where to go (and the route task would throw an exception).
                    return;
                }

                // Configure the route parameters with the list of stops.
                _offlineRouteParameters.SetStops(stops);

                // Configure the travel mode.
                _offlineRouteParameters.TravelMode = selectedTravelMode;

                // Solve the route.
                RouteResult offlineRouteResult = await _offlineRouteTask.SolveRouteAsync(_offlineRouteParameters);

                // Clear the old route result.
                _routeOverlay.Graphics.Clear();

                // Get the geometry from the route result.
                Polyline routeGeometry = offlineRouteResult.Routes.First().RouteGeometry;

                // Note: symbology left out here because the symbology was set once on the graphics overlay.
                Graphic routeGraphic = new Graphic(routeGeometry);

                // Display the route.
                _routeOverlay.Graphics.Add(routeGraphic);
            }
            catch (Exception e)
            {
                System.Diagnostics.Debug.WriteLine(e);
                ShowMessage("Couldn't update route", "There was an error updating the route. See debug output for details.");
            }
        }

        private async void AddStop(Point tappedPosition)
        {
            try
            {
                // Get the location on the map.
                MapPoint tappedLocation = MyMapView.ScreenToLocation(tappedPosition);

                // Name the stop by its number.
                string stopName = $"{_stopsOverlay.Graphics.Count + 1}";

                // Create a pushpin marker for the stop.
                PictureMarkerSymbol pushpinMarker = await GetPictureMarker();

                // Create the text symbol for labeling the stop.
                TextSymbol stopSymbol = new TextSymbol(stopName, Color.White, 15,
                    HorizontalAlignment.Center, VerticalAlignment.Middle);
                stopSymbol.OffsetY = 15;

                // Create a combined symbol with the pushpin and the label.
                CompositeSymbol combinedSymbol = new CompositeSymbol(new MarkerSymbol[] {pushpinMarker, stopSymbol});

                // Create the graphic from the geometry and the symbology.
                Graphic newStopGraphic = new Graphic(tappedLocation, combinedSymbol);

                // Add the stop to the overlay.
                _stopsOverlay.Graphics.Add(newStopGraphic);
            }
            catch (Exception e)
            {
                System.Diagnostics.Debug.WriteLine(e);
                ShowMessage("Couldn't add stop", "Couldn't add stop. See debug output for details.");
            }
        }

        private async Task<PictureMarkerSymbol> GetPictureMarker()
        {
            // Get current assembly that contains the image.
            Assembly currentAssembly = Assembly.GetExecutingAssembly();

            // Get image as a stream from the resources.
            // Picture is defined as EmbeddedResource and DoNotCopy.
            Stream resourceStream = currentAssembly.GetManifestResourceStream(
                "ArcGISRuntime.Resources.PictureMarkerSymbols.pin_blue.png");

            // Create new symbol using asynchronous factory method from stream.
            PictureMarkerSymbol pinSymbol = await PictureMarkerSymbol.CreateAsync(resourceStream);
            pinSymbol.Width = 50;
            pinSymbol.Height = 50;
            pinSymbol.LeaderOffsetX = 30;
            pinSymbol.OffsetY = 14;

            return pinSymbol;
        }

        private void ResetButton_Click(object sender, EventArgs e) => ResetRoute();

        private void MapView_Tapped(object sender, Esri.ArcGISRuntime.Xamarin.Forms.GeoViewInputEventArgs e)
        {
            // Make sure the user isn't adding too many stops.
            if (_stopsOverlay.Graphics.Count >= 5)
            {
                ShowMessage("Can't add stop.", "Sample limits to 5 stops per route.");
                return;
            }

            // Make sure the stop is valid before proceeding.
            if (!GeometryEngine.Contains(_routableArea, e.Location))
            {
                ShowMessage("Can't add stop.", "That location is outside of the area where offline routing data is available.");
                return;
            }

            // Add the stop for the tapped position.
            AddStop(e.Position);

            // Update the route with the final list of stops.
            UpdateRoute((TravelMode) TravelModesCombo.SelectedItem);
        }

        private void TravelMode_SelectionChanged(object sender, EventArgs e)
        {
            try
            {
                // Enforce selection to prevent errors.
                if (TravelModesCombo.SelectedItem == null)
                {
                    TravelModesCombo.SelectedItem = _availableTravelModes.First();
                }

                // Update the route.
                UpdateRoute((TravelMode) TravelModesCombo.SelectedItem);
            }
            catch (Exception ex)
            {
                System.Diagnostics.Debug.WriteLine(ex);
                ShowMessage("Couldn't change travel mode", "Couldn't change travel mode. See debug output for details.");
            }
        }

        private async void ShowMessage(string title, string detail)
        {
            await Application.Current.MainPage.DisplayAlert(title, detail, "OK");
        }
    }
}
XAML
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             xmlns:esriUI="clr-namespace:Esri.ArcGISRuntime.Xamarin.Forms;assembly=Esri.ArcGISRuntime.Xamarin.Forms"
             xmlns:resources="clr-namespace:Forms.Resources;assembly=ArcGISRuntime"
             x:Class="ArcGISRuntimeXamarin.Samples.OfflineRouting.OfflineRouting">
    <RelativeLayout>
        <esriUI:MapView x:Name="MyMapView" Style="{StaticResource MapWithFormStyle}"
                        BindingContext="{x:Reference Name=ResponsiveFormContainer}"
                        ViewInsets="0,250,0,0" />
        <resources:ResponsiveFormContainer x:Name="ResponsiveFormContainer">
            <Grid>
                <Grid.RowDefinitions>
                    <RowDefinition>
                        <RowDefinition.Height>
                            <OnPlatform x:TypeArguments="GridLength">
                                <On Platform="UWP" Value="45" />
                                <On Platform="Android, iOS" Value="Auto" />
                            </OnPlatform>
                        </RowDefinition.Height>
                    </RowDefinition>
                    <RowDefinition>
                        <RowDefinition.Height>
                            <OnPlatform x:TypeArguments="GridLength">
                                <On Platform="UWP" Value="45" />
                                <On Platform="Android, iOS" Value="Auto" />
                            </OnPlatform>
                        </RowDefinition.Height>
                    </RowDefinition>
                    <RowDefinition>
                        <RowDefinition.Height>
                            <OnPlatform x:TypeArguments="GridLength">
                                <On Platform="UWP" Value="30" />
                                <On Platform="Android, iOS" Value="Auto" />
                            </OnPlatform>
                        </RowDefinition.Height>
                    </RowDefinition>
                </Grid.RowDefinitions>
                <Label
                    Text="Click the map to add up to 5 stops. Route lines will be displayed automatically."
                    Grid.Row="0" />
                <Picker x:Name="TravelModesCombo"
                        Grid.Row="1"
                        Margin="0,5,0,5" TextColor="Black"
                        ItemDisplayBinding="{Binding Name}" />
                <Button Text="Reset"
                        Grid.Row="2"
                        Clicked="ResetButton_Click" />
            </Grid>
        </resources:ResponsiveFormContainer>
    </RelativeLayout>
</ContentPage>
See Also
Additional Examples
Hyperlink to ExampleDescription
NavigateRouteReroutingNavigate between two points and dynamically recalculate an alternate route when the original route is unavailable.
OfflineRoutingSolve a route on-the-fly using offline data.