protected override void OnCreate(Android.OS.Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Remove default baselayer
MapView.Layers.Clear();
var decoder = CartoVectorTileLayer.CreateTileDecoder(CartoBaseMapStyle.CartoBasemapStyleVoyager);
// Do the actual copying and source creation on another thread so it wouldn't block the main thread
System.Threading.Tasks.Task.Run(delegate
{
TileDataSource source = FileUtils.CreateTileDataSource(this, "rome_carto-streets.mbtiles");
var layer = new VectorTileLayer(source, decoder);
RunOnUiThread(delegate
{
// However, actual layer insertion should be done on the main thread
MapView.Layers.Insert(0, layer);
});
});
// Zoom to the correct location
MapPos rome = BaseProjection.FromWgs84(new MapPos(12.4807, 41.8962));
MapView.SetFocusPos(rome, 0);
MapView.SetZoom(13, 0);
}
protected override void OnCreate(Android.OS.Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
AddBaseLayer(CartoBaseMapStyle.CartoBasemapStyleDefault);
TileDataSource source = CreateTileDataSource();
// Get decoder from current layer,
// so we wouldn't need a style asset to create a decoder from scratch
MBVectorTileDecoder decoder = (MBVectorTileDecoder)(MapView.Layers[0] as VectorTileLayer).TileDecoder;
// Remove default baselayer
MapView.Layers.Clear();
// Add our new layer
var layer = new VectorTileLayer(source, decoder);
MapView.Layers.Insert(0, layer);
// Zoom to the correct location
MapPos rome = BaseProjection.FromWgs84(new MapPos(12.4807, 41.8962));
MapView.SetFocusPos(rome, 0);
MapView.SetZoom(13, 0);
}
protected override void OnCreate(Android.OS.Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
AddOnlineBaseLayer(CartoBaseMapStyle.CartoBasemapStyleDefault);
// Get decoder from current layer,
// so we wouldn't need a style asset to create a decoder from scratch
MBVectorTileDecoder decoder = (MBVectorTileDecoder)(MapView.Layers[0] as VectorTileLayer).TileDecoder;
// Remove default baselayer
MapView.Layers.Clear();
// Do the actual copying and source creation on another thread so it wouldn't block the main thread
System.Threading.Tasks.Task.Run(delegate
{
TileDataSource source = CreateTileDataSource();
var layer = new VectorTileLayer(source, decoder);
RunOnUiThread(delegate
{
// However, actual layer insertion should be done on the main thread
MapView.Layers.Insert(0, layer);
});
});
// Zoom to the correct location
MapPos rome = BaseProjection.FromWgs84(new MapPos(12.4807, 41.8962));
MapView.SetFocusPos(rome, 0);
MapView.SetZoom(13, 0);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
Menu = new BaseMapSectionMenu();
Menu.Items = Sections.List;
MenuButton = new MenuButton("icons/icon_more.png", new CGRect(0, 10, 20, 30));
NavigationItem.RightBarButtonItem = MenuButton;
// Set initial style
Menu.SetInitialItem(Sections.Nutiteq);
Menu.SetInitialItem(Sections.Language);
UpdateBaseLayer(Sections.Nutiteq, Sections.BaseStyleValue);
UpdateLanguage(Sections.BaseLanguageCode);
// Zoom to Central Europe so some texts would be visible
MapPos europe = BaseProjection.FromWgs84(new MapPos(15.2551, 54.5260));
MapView.SetFocusPos(europe, 0);
MapView.Zoom = 5;
recognizer = new ForceTouchRecognizer();
MapView.AddGestureRecognizer(recognizer);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// Add default base layer
AddOnlineBaseLayer(CartoBaseMapStyle.CartoBasemapStyleVoyager);
// Load ground overlay bitmap
//Bitmap androidMarkerBitmap = BitmapFactory.decodeResource(getResources(), R.drawable.jefferson);
//com.carto.graphics.Bitmap overlayBitmap = BitmapUtils.createBitmapFromAndroidBitmap(androidMarkerBitmap);
Bitmap overlayBitmap = BitmapUtils.LoadBitmapFromFile("jefferson-building-ground-floor.jpg");
// Create two vectors containing geographical positions and corresponding raster image pixel coordinates.
// 2, 3 or 4 points may be specified. Usually 2 points are enough (for conformal mapping).
MapPos pos = BaseProjection.FromWgs84(new MapPos(-77.004590, 38.888702));
double sizeNS = 110;
double sizeWE = 100;
MapPosVector mapPoses = new MapPosVector();
mapPoses.Add(new MapPos(pos.X - sizeWE, pos.Y + sizeNS));
mapPoses.Add(new MapPos(pos.X + sizeWE, pos.Y + sizeNS));
mapPoses.Add(new MapPos(pos.X + sizeWE, pos.Y - sizeNS));
mapPoses.Add(new MapPos(pos.X - sizeWE, pos.Y - sizeNS));
ScreenPosVector bitmapPoses = new ScreenPosVector();
bitmapPoses.Add(new ScreenPos(0, 0));
bitmapPoses.Add(new ScreenPos(0, overlayBitmap.Height));
bitmapPoses.Add(new ScreenPos(overlayBitmap.Width, overlayBitmap.Height));
bitmapPoses.Add(new ScreenPos(overlayBitmap.Width, 0));
// Create bitmap overlay raster tile data source
BitmapOverlayRasterTileDataSource rasterDataSource = new BitmapOverlayRasterTileDataSource(
0, 20, overlayBitmap, BaseProjection, mapPoses, bitmapPoses
);
RasterTileLayer rasterLayer = new RasterTileLayer(rasterDataSource);
MapView.Layers.Add(rasterLayer);
// Apply zoom level bias to the raster layer.
// By default, bitmaps are upsampled on high-DPI screens.
// We will correct this by applying appropriate bias
float zoomLevelBias = (float)(Math.Log(MapView.Options.DPI / 160.0f) / Math.Log(2));
rasterLayer.ZoomLevelBias = zoomLevelBias * 0.75f;
rasterLayer.TileSubstitutionPolicy = TileSubstitutionPolicy.TileSubstitutionPolicyVisible;
MapView.SetFocusPos(pos, 0);
MapView.SetZoom(15.5f, 0);
}
protected override void OnCreate(Bundle savedInstanceState)
{
// MapSampleBaseActivity creates and configures mapView
base.OnCreate(savedInstanceState);
// Define style for vector objects. Note that all objects must have same style here, which can be big limitation
PointStyleBuilder pointStyleBuilder = new PointStyleBuilder();
pointStyleBuilder.Color = new Color(0, 0, 255, 255);
pointStyleBuilder.Size = 10;
// Initialize a local vector data source
string query =
"SELECT cartodb_id,the_geom_webmercator AS the_geom,name,address,bikes,slot," +
"field_8,field_9,field_16,field_17,field_18 FROM stations_1 WHERE !bbox!";
CartoDBSQLDataSource vectorDataSource1 = new CartoDBSQLDataSource(
BaseProjection,
BaseUrl,
query,
pointStyleBuilder.BuildStyle()
);
// Initialize a vector layer with the previous data source
VectorLayer vectorLayer1 = new VectorLayer(vectorDataSource1);
// Add the previous vector layer to the map
MapView.Layers.Add(vectorLayer1);
// Set visible zoom range for the vector layer
vectorLayer1.VisibleZoomRange = new MapRange(14, 23);
// Set listener to get point click popups
// Initialize a local vector data source and layer for click Balloons
LocalVectorDataSource vectorDataSource = new LocalVectorDataSource(BaseProjection);
// Initialize a vector layer with the previous data source
VectorLayer vectorLayer = new VectorLayer(vectorDataSource);
// Add the previous vector layer to the map
MapView.Layers.Add(vectorLayer);
MapView.MapEventListener = new MyMapEventListener(MapView, vectorDataSource);
// Animate map to the marker
MapView.SetFocusPos(BaseProjection.FromWgs84(new MapPos(-74.0059, 40.7127)), 1);
MapView.SetZoom(15, 1);
}
protected override void OnCreate(Android.OS.Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
AddBaseLayer(CartoBaseMapStyle.CartoBasemapStyleGray);
// You need to change these according to your DB
string sql = "select * from table_46g";
string cartoCSS = "#table_46g {raster-opacity: 0.5;}";
string config = JsonUtils.GetRasterLayerConfigJson(sql, cartoCSS).ToString();
// Use the Maps service to configure layers. Note that this must be done
// in a separate thread on Android, as Maps API requires connecting to server
// which is not allowed in main thread.
CartoMapsService mapsService = new CartoMapsService();
mapsService.Username = "******";
// Use raster layers, not vector layers
mapsService.DefaultVectorLayerMode = false;
System.Threading.Tasks.Task.Run(delegate
{
try
{
LayerVector layers = mapsService.BuildMap(Variant.FromString(config));
for (int i = 0; i < layers.Count; i++)
{
MapView.Layers.Add(layers[i]);
}
}
catch (IOException e)
{
Carto.Utils.Log.Debug("EXCEPTION: Exception: " + e);
}
});
// Zoom map to the content area
MapPos hiiumaa = BaseProjection.FromWgs84(new MapPos(22.7478235498916, 58.8330577553785));
MapView.SetFocusPos(hiiumaa, 0);
MapView.SetZoom(11, 0);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// Initialize hillshading raster data source, better visible in mountain ranges
HTTPTileDataSource source1 = new HTTPTileDataSource(0, 24, TiledRasterUrl);
HTTPTileDataSource source2 = new HTTPTileDataSource(0, 24, HillsideRasterUrl);
MergedRasterTileDataSource mergedSource = new MergedRasterTileDataSource(source1, source2);
var layer = new RasterTileLayer(mergedSource);
MapView.Layers.Add(layer);
// Animate map to a nice place
MapView.SetFocusPos(BaseProjection.FromWgs84(new MapPos(-122.4323, 37.7582)), 1);
MapView.SetZoom(13, 1);
}
protected override void OnCreate(Android.OS.Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Initialize hillshading raster data source, better visible in mountain ranges
HTTPTileDataSource source1 = new HTTPTileDataSource(0, 24, TiledRasterUrl);
HTTPTileDataSource source2 = new HTTPTileDataSource(0, 24, HillsideRasterUrl);
MergedRasterTileDataSource mergedSource = new MergedRasterTileDataSource(source1, source2);
var layer = new RasterTileLayer(mergedSource);
MapView.Layers.Add(layer);
// Animate map to a nice place
MapView.SetFocusPos(BaseProjection.FromWgs84(new MapPos(-122.4323, 37.7582)), 1);
MapView.SetZoom(13, 1);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
AddOnlineBaseLayer(CartoBaseMapStyle.CartoBasemapStyleGray);
// You need to change these according to your DB
string sql = "select * from table_46g";
string cartoCSS = "#table_46g { raster-opacity: 0.5; }";
string config = JsonUtils.GetRasterLayerConfigJson(sql, cartoCSS).ToString();
CartoMapsService mapsService = new CartoMapsService();
mapsService.Username = "******";
// Use raster layers, not vector layers
mapsService.DefaultVectorLayerMode = false;
// Use the Maps service to configure layers.
// Note that Maps API requires connecting to server,
// which shouldn't be done on the main thread
InvokeInBackground(delegate
{
try
{
LayerVector layers = mapsService.BuildMap(Variant.FromString(config));
for (int i = 0; i < layers.Count; i++)
{
MapView.Layers.Add(layers[i]);
}
}
catch (IOException e)
{
Carto.Utils.Log.Debug("EXCEPTION: Exception: " + e);
}
});
// Zoom map to the content area
MapPos hiiumaa = BaseProjection.FromWgs84(new MapPos(22.7478235498916, 58.8330577553785));
MapView.SetFocusPos(hiiumaa, 0);
MapView.SetZoom(10, 0);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// Define style for vector objects.
// Note that all objects must have same style here, which can be big limitation
PointStyleBuilder builder = new PointStyleBuilder();
builder.Color = new Color(0, 0, 255, 255);
builder.Size = 10;
PointStyle style = builder.BuildStyle();
// Initialize a local vector data source
CartoDBSQLDataSource dataSource = new CartoDBSQLDataSource(BaseProjection, BaseUrl, Query, style);
// Initialize a vector layer with the previous data source
VectorLayer vectorLayer1 = new VectorLayer(dataSource);
// Add the previous vector layer to the map
MapView.Layers.Add(vectorLayer1);
// Set visible zoom range for the vector layer
vectorLayer1.VisibleZoomRange = new MapRange(14, 23);
// Initialize a local vector data source and layer for click Balloons
LocalVectorDataSource vectorDataSource = new LocalVectorDataSource(BaseProjection);
// Initialize a vector layer with the previous data source
VectorLayer vectorLayer = new VectorLayer(vectorDataSource);
// Add the previous vector layer to the map
MapView.Layers.Add(vectorLayer);
// Set listener to get point click popups
MapView.MapEventListener = new MyMapEventListener(MapView, vectorDataSource);
// Animate map to the marker
MapPos newYork = BaseProjection.FromWgs84(new MapPos(-74.0059, 40.7127));
MapView.SetFocusPos(newYork, 1);
MapView.SetZoom(15, 1);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// Add default base layer
AddOnlineBaseLayer(CartoBaseMapStyle.CartoBasemapStyleDefault);
// Initialize a local vector data source
LocalVectorDataSource source = new LocalVectorDataSource(BaseProjection);
// Initialize a vector layer with the previous data source
VectorLayer layer = new VectorLayer(source);
// Add the previous vector layer to the map
MapView.Layers.Add(layer);
// Set visible zoom range for the vector layer
layer.VisibleZoomRange = new MapRange(0, 18);
// Create marker style
UIImage image = UIImage.FromFile("icons/marker.png");
Bitmap markerBitmap = BitmapUtils.CreateBitmapFromUIImage(image);
MarkerStyleBuilder builder = new MarkerStyleBuilder();
builder.Bitmap = markerBitmap;
builder.Size = 30;
MarkerStyle style = builder.BuildStyle();
// Add marker
MapPos washington = BaseProjection.FromWgs84(new MapPos(-77.0369, 38.9072));
Marker marker = new Marker(washington, style);
source.Add(marker);
// Animate map to the marker
MapView.SetFocusPos(washington, 1);
MapView.SetZoom(12, 1);
listener = new RenderListener(this, MapView);
MapView.MapRenderer.CaptureRendering(listener, true);
}
protected override void OnCreate(Android.OS.Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Initialize hillshading raster data source, better visible in mountain ranges
HTTPTileDataSource hillsRasterTileDataSource = new HTTPTileDataSource(0, 24, HillsideRasterUrl);
// Add persistent caching datasource, tiles will be stored locally on persistent storage
PersistentCacheTileDataSource cachedDataSource =
new PersistentCacheTileDataSource(hillsRasterTileDataSource, GetExternalFilesDir(null) + "/mapcache_hills.db");
// Initialize a raster layer with the previous data source
RasterTileLayer hillshadeLayer = new RasterTileLayer(cachedDataSource);
// Add the previous raster layer to the map
MapView.Layers.Add(hillshadeLayer);
// Animate map to a nice place
MapView.SetFocusPos(BaseProjection.FromWgs84(new MapPos(-122.4323, 37.7582)), 1);
MapView.SetZoom(13, 1);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// Initialize hillshading raster data source, better visible in mountain ranges
HTTPTileDataSource tileSource = new HTTPTileDataSource(0, 24, HillsideRasterUrl);
// Add persistent caching datasource, tiles will be stored locally on persistent storage
PersistentCacheTileDataSource cachedSource =
new PersistentCacheTileDataSource(tileSource, Utils.GetDocumentDirectory() + "mapcache_hills.db");
// Initialize a raster layer with the previous data source
RasterTileLayer hillshadeLayer = new RasterTileLayer(cachedSource);
// Add the previous raster layer to the map
MapView.Layers.Add(hillshadeLayer);
// Animate map to a nice place
MapView.SetFocusPos(BaseProjection.FromWgs84(new MapPos(-122.4323, 37.7582)), 1);
MapView.SetZoom(13, 1);
}
protected override void OnCreate(Android.OS.Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
AddBaseLayer(CartoBaseMapStyle.CartoBasemapStyleDefault);
// Initialize a local vector data source
LocalVectorDataSource source = new LocalVectorDataSource(BaseProjection);
// Initialize a vector layer with the previous data source
VectorLayer layer = new VectorLayer(source);
// Add the previous vector layer to the map
MapView.Layers.Add(layer);
// Set visible zoom range for the vector layer
layer.VisibleZoomRange = new MapRange(0, 18);
// Create marker style
Android.Graphics.Bitmap image = Android.Graphics.BitmapFactory.DecodeResource(Resources, Resource.Drawable.marker);
Carto.Graphics.Bitmap markerBitmap = BitmapUtils.CreateBitmapFromAndroidBitmap(image);
MarkerStyleBuilder builder = new MarkerStyleBuilder();
builder.Bitmap = markerBitmap;
builder.Size = 30;
MarkerStyle style = builder.BuildStyle();
// Add marker
MapPos berlin = BaseProjection.FromWgs84(new MapPos(13.38933, 52.51704));
Marker marker = new Marker(berlin, style);
source.Add(marker);
// Animate map to the marker
MapView.SetFocusPos(berlin, 1);
MapView.SetZoom(12, 1);
listener = new RenderListener(this, MapView);
MapView.MapRenderer.CaptureRendering(listener, true);
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// USGS Base map: http://basemap.nationalmap.gov/arcgis/rest/services/USGSTopo/MapServer
string url = "http://basemap.nationalmap.gov/arcgis/services/USGSTopo/MapServer/WmsServer?";
string layers = "0";
HttpWmsTileDataSource wms = new HttpWmsTileDataSource(0, 14, BaseProjection, false, url, "", layers, "image/png8");
RasterTileLayer wmsLayer = new RasterTileLayer(wms);
// Calculate zoom bias, basically this is needed to 'undo' automatic DPI scaling,
// we will display original raster with close to 1:1 pixel density
double zoomLevelBias = Math.Log(MapView.Options.DPI / 160) / Math.Log(2);
wmsLayer.ZoomLevelBias = (float)zoomLevelBias;
MapView.Layers.Add(wmsLayer);
// Animate map to map coverage
MapView.SetFocusPos(BaseProjection.FromWgs84(new MapPos(-100, 40)), 1);
MapView.SetZoom(5, 1);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// Add default base layer
AddBaseLayer(CartoBaseMapStyle.CartoBasemapStyleDefault);
LocalVectorDataSource source = new LocalVectorDataSource(BaseProjection);
VectorLayer layer = new VectorLayer(source);
MapView.Layers.Add(layer);
MarkerStyleBuilder builder = new MarkerStyleBuilder();
builder.Bitmap = Bitmap;
builder.Size = 20;
// Add marker
MapPos position = BaseProjection.FromWgs84(new MapPos(24.646469, 59.426939));
Marker marker = new Marker(position, builder.BuildStyle());
source.Add(marker);
// Custom popup
PopupStyleBuilder popupBuilder = new PopupStyleBuilder();
popupBuilder.SetAttachAnchorPoint(0.5f, 0);
// Initialize our custom handler, cf. class below
MyCustomPopupHandler handler = new MyCustomPopupHandler();
CustomPopup popup = new CustomPopup(marker, popupBuilder.BuildStyle(), handler);
popup.SetAnchorPoint(-1.0f, 0.0f);
source.Add(popup);
}
void ZoomTo(MapPos position)
{
MapView.FocusPos = BaseProjection.FromWgs84(position);
MapView.SetZoom(12, 2);
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
AddBaseLayer(CartoBaseMapStyle.CartoBasemapStyleDefault);
// Create PackageManager instance for dealing with offline packages
var packageFolder = new File(GetExternalFilesDir(null), "routingpackages");
if (!(packageFolder.Mkdirs() || packageFolder.IsDirectory))
{
Log.Fatal("Could not create package folder!");
}
packageManager = new CartoPackageManager(ManagerSource, packageFolder.AbsolutePath);
PackageListener = new RoutingPackageListener(packageManager, downloadablePackages);
packageManager.PackageManagerListener = PackageListener;
packageManager.Start();
// Fetch list of available packages from server.
// Note that this is asynchronous operation
// and listener will be notified via onPackageListUpdated when this succeeds.
packageManager.StartPackageListDownload();
// create offline routing service connected to package manager
offlineRoutingService = new PackageManagerRoutingService(packageManager);
// Create additional online routing service that will be used
// when offline package is not yet downloaded or offline routing fails
onlineRoutingService = new CartoOnlineRoutingService(ServiceSource);
// Define layer and datasource for route line and instructions
routeDataSource = new LocalVectorDataSource(BaseProjection);
VectorLayer routeLayer = new VectorLayer(routeDataSource);
MapView.Layers.Add(routeLayer);
// Define layer and datasource for route start and stop markers
routeStartStopDataSource = new LocalVectorDataSource(BaseProjection);
// Initialize a vector layer with the previous data source
VectorLayer vectorLayer = new VectorLayer(routeStartStopDataSource);
// Add the previous vector layer to the map
MapView.Layers.Add(vectorLayer);
// Set visible zoom range for the vector layer
vectorLayer.VisibleZoomRange = new MapRange(0, 22);
// Set route listener
MapListener = new RouteMapEventListener();
MapView.MapEventListener = MapListener;
// Create markers for start & end and a layer for them
MarkerStyleBuilder markerBuilder = new MarkerStyleBuilder();
markerBuilder.Bitmap = CreateBitmap(Resource.Drawable.olmarker);
markerBuilder.HideIfOverlapped = false;
markerBuilder.Size = 30;
markerBuilder.Color = new Carto.Graphics.Color(Android.Graphics.Color.Green);
startMarker = new Marker(new MapPos(0, 0), markerBuilder.BuildStyle());
startMarker.Visible = false;
markerBuilder.Color = new Carto.Graphics.Color(Android.Graphics.Color.Red);
stopMarker = new Marker(new MapPos(0, 0), markerBuilder.BuildStyle());
stopMarker.Visible = false;
routeStartStopDataSource.Add(startMarker);
routeStartStopDataSource.Add(stopMarker);
markerBuilder.Color = new Carto.Graphics.Color(Android.Graphics.Color.White);
markerBuilder.Bitmap = CreateBitmap(Resource.Drawable.direction_up);
instructionUp = markerBuilder.BuildStyle();
markerBuilder.Bitmap = CreateBitmap(Resource.Drawable.direction_upthenleft);
instructionLeft = markerBuilder.BuildStyle();
markerBuilder.Bitmap = CreateBitmap(Resource.Drawable.direction_upthenright);
instructionRight = markerBuilder.BuildStyle();
// Style for instruction balloons
balloonBuilder = new BalloonPopupStyleBuilder();
balloonBuilder.TitleMargins = new BalloonPopupMargins(4, 4, 4, 4);
// Finally animate map to Estonia
MapView.FocusPos = BaseProjection.FromWgs84(new MapPos(25.662893, 58.919365));
MapView.Zoom = 7;
Alert("Long-press on map to set route start and finish");
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
AddBaseLayer(CartoBaseMapStyle.CartoBasemapStyleDefault);
// Create PackageManager instance for dealing with offline packages
string folder = Utils.GetDocumentDirectory("routingpackages");
if (!Directory.Exists(folder))
{
Directory.CreateDirectory(folder);
Console.WriteLine("Directory: Does not exist... Creating");
}
else
{
Console.WriteLine("Directory: Exists");
}
packageManager = new CartoPackageManager(ROUTING_PACKAGEMANAGER_SOURCE, folder);
PackageListener = new RoutingPackageListener(packageManager, downloadablePackages);
packageManager.PackageManagerListener = PackageListener;
// Fetch list of available packages from server.
// Note that this is asynchronous operation
// and listener will be notified via onPackageListUpdated when this succeeds.
packageManager.StartPackageListDownload();
// Create offline routing service connected to package manager
offlineRoutingService = new PackageManagerRoutingService(packageManager);
// Create additional online routing service that will be used
// when offline package is not yet downloaded or offline routing fails
onlineRoutingService = new CartoOnlineRoutingService(ROUTING_SERVICE_SOURCE);
// Define layer and datasource for route line and instructions
routeDataSource = new LocalVectorDataSource(BaseProjection);
VectorLayer routeLayer = new VectorLayer(routeDataSource);
MapView.Layers.Add(routeLayer);
// Define layer and datasource for route start and stop markers
routeStartStopDataSource = new LocalVectorDataSource(BaseProjection);
// Initialize a vector layer with the previous data source
VectorLayer vectorLayer = new VectorLayer(routeStartStopDataSource);
// Add the previous vector layer to the map
MapView.Layers.Add(vectorLayer);
// Set visible zoom range for the vector layer
vectorLayer.VisibleZoomRange = new MapRange(0, 22);
MapListener = new RouteMapEventListener();
MapView.MapEventListener = MapListener;
// Create markers for start & end, and a layer for them
MarkerStyleBuilder markerStyleBuilder = new MarkerStyleBuilder();
markerStyleBuilder.Bitmap = BitmapUtils.CreateBitmapFromUIImage(UIImage.FromFile("icons/olmarker.png"));
markerStyleBuilder.HideIfOverlapped = false;
markerStyleBuilder.Size = 30;
markerStyleBuilder.Color = new Carto.Graphics.Color(0, 255, 0, 255);
startMarker = new Marker(new MapPos(0, 0), markerStyleBuilder.BuildStyle());
startMarker.Visible = false;
markerStyleBuilder.Color = new Carto.Graphics.Color(255, 0, 0, 255);
stopMarker = new Marker(new MapPos(0, 0), markerStyleBuilder.BuildStyle());
stopMarker.Visible = false;
routeStartStopDataSource.Add(startMarker);
routeStartStopDataSource.Add(stopMarker);
markerStyleBuilder.Color = new Carto.Graphics.Color(255, 255, 255, 255);
markerStyleBuilder.Bitmap = BitmapUtils.CreateBitmapFromUIImage(UIImage.FromFile("icons/direction_up.png"));
instructionUp = markerStyleBuilder.BuildStyle();
markerStyleBuilder.Bitmap = BitmapUtils.CreateBitmapFromUIImage(UIImage.FromFile("icons/direction_upthenleft.png"));
instructionLeft = markerStyleBuilder.BuildStyle();
markerStyleBuilder.Bitmap = BitmapUtils.CreateBitmapFromUIImage(UIImage.FromFile("icons/direction_upthenright.png"));
instructionRight = markerStyleBuilder.BuildStyle();
// Style for instruction balloons
balloonPopupStyleBuilder = new BalloonPopupStyleBuilder();
balloonPopupStyleBuilder.TitleMargins = new BalloonPopupMargins(4, 4, 4, 4);
// Finally animate map to Estonia
MapView.FocusPos = BaseProjection.FromWgs84(new MapPos(25.662893, 58.919365));
MapView.Zoom = 7;
Alert("Long-press on map to set route start and finish");
}