C# MapView.AddMarker方法代码示例

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

            SetContentView (Resource.Layout.Main);

            mapView = FindViewById<MapView> (Resource.Id.mapview);
            mapView.StyleUrl = Mapbox.Constants.Style.Emerald;
            mapView.CenterCoordinate = new LatLng (41.885, -87.679);
            mapView.ZoomLevel = 11;

            mapView.OnCreate (bundle);

            mapView.AddMarker (new MarkerOptions ()
                .SetTitle ("Test Marker")
                .SetPosition (new LatLng(41.885, -87.679)));         
        }

        /// <summary>
        /// Initializes the View property.
        /// </summary>
        public override void LoadView()
        {
            base.LoadView ();

            // initialize OsmSharp native hooks.
            Native.Initialize();

            // enable the loggging.
            OsmSharp.Logging.Log.Enable();
            OsmSharp.Logging.Log.RegisterListener(new OsmSharp.iOS.UI.Log.ConsoleTraceListener());

            // initialize map.
            var map = new Map();
            // add a tile layer.
            map.AddLayer(new LayerTile(@"http://192.168.43.155:1234/default/{0}/{1}/{2}.png"));
            //            map.AddLayer(new LayerMBTile(SQLiteConnection.CreateFrom(
            //                Assembly.GetExecutingAssembly().GetManifestResourceStream(@"OsmSharp.iOS.UI.Sample.kempen.mbtiles"), "map")));

            // add an online osm-data->mapCSS translation layer.
            //map.AddLayer(new OsmLayer(dataSource, mapCSSInterpreter));
            // add a pre-processed vector data file.
            //			var sceneStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(
            //				"OsmSharp.iOS.UI.Sample.default.map");
            //			map.AddLayer(new LayerScene(Scene2D.Deserialize(sceneStream, true)));

            //            var primitivesLayer = new LayerPrimitives(map.Projection);
            //            primitivesLayer.AddPoint(new GeoCoordinate(51.26371, 4.78601), 10,
            //                SimpleColor.FromKnownColor(KnownColor.Blue).Value);
            //            map.AddLayer(primitivesLayer);

            //			// define dummy from and to points.
            var from = new GeoCoordinate(51.261203, 4.780760);
            var to = new GeoCoordinate(51.267797, 4.801362);
            //
            //			// deserialize the pre-processed graph.
            //			var routingSerializer = new CHEdgeDataDataSourceSerializer(false);
            //			TagsCollectionBase metaData = null;
            //			var graphStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(
            //				"OsmSharp.iOS.UI.Sample.kempen-big.osm.pbf.routing");
            //			var graphDeserialized = routingSerializer.Deserialize(graphStream, out metaData, true);
            //
            //			// initialize router.
            //			_router = Router.CreateCHFrom(graphDeserialized, new CHRouter(), new OsmRoutingInterpreter());
            //
            //			// resolve points.
            //			RouterPoint routerPoint1 = _router.Resolve(Vehicle.Car, from);
            //			RouterPoint routerPoint2 = _router.Resolve(Vehicle.Car, to);
            //
            //			// calculate route.
            //			Route route = _router.Calculate(Vehicle.Car, routerPoint1, routerPoint2);
            //			RouteTracker routeTracker = new RouteTracker(route, new OsmRoutingInterpreter());
            //			_enumerator = route.GetRouteEnumerable(10).GetEnumerator();
            //
            //			// add a router layer.
            //			_routeLayer = new LayerRoute(map.Projection);
            //			_routeLayer.AddRoute (route, SimpleColor.FromKnownColor(KnownColor.Blue, 125).Value, 12);
            //			map.AddLayer(_routeLayer);

            // define the mapview.
            _mapView = new MapView();
            //_mapView.MapTapEvent += new MapViewEvents.MapTapEventDelegate(_mapView_MapTapEvent);
            _mapView.MapAllowTilt = false;
            _mapView.Map = map;
            _mapView.MapMaxZoomLevel = 19;
            _mapView.MapMinZoomLevel = 0;
            _mapView.MapTilt = 0;
            _mapView.MapCenter = new GeoCoordinate(51.2633, 4.7853);
            _mapView.MapZoom = 18;
            _mapView.MapInitialized += _mapView_MapInitialized;

            // add markers.
            var marker = _mapView.AddMarker (from);
            var popupTextView = new UITextView();
            popupTextView.Text = "Hey, this is popup text!";
            popupTextView.BackgroundColor = UIColor.FromWhiteAlpha(0.5f, 0.5f);
            marker.AddPopup(popupTextView, 100, 100);
            marker = _mapView.AddMarker (to);
            popupTextView = new UITextView();
            popupTextView.Text = "Hey, this is another popup text!";
            popupTextView.BackgroundColor = UIColor.FromWhiteAlpha(0.5f, 0.5f);
            marker.AddPopup(popupTextView, 100, 100);

            this.AddMarkers();

            // add center marker.
            _centerMarker = _mapView.AddMarker(_mapView.MapCenter);

            // create the route tracker animator.
            // _routeTrackerAnimator = new RouteTrackerAnimator(_mapView, routeTracker, 5, 17);

            //			// simulate a number of gps-location update along the calculated route.
            //			Timer timer = new Timer(250);
            //			timer.Elapsed += new ElapsedEventHandler(TimerHandler);
            //			timer.Start();

            View = _mapView;
        }

        public override void LoadView()
        {
            OsmSharp.Logging.Log.Enable ();
            //            OsmSharp.Logging.Log.RegisterListener(
            //                new OsmSharp.Android.UI.Log.LogTraceListener());
            base.LoadView ();

            // initialize a test-map.
            var map = new Map ();
            map.AddLayer (new LayerScene (Scene2D.Deserialize (
                Assembly.GetExecutingAssembly ().GetManifestResourceStream (
                    "OsmSharp.iOS.UI.Sample.kempen-big.osm.pbf.scene.layered"),
                        true)));

            // Perform any additional setup after loading the view, typically from a nib.
            MapView mapView = new MapView ();
            _mapView = mapView;
            //mapViewAnimator = new MapViewAnimator (mapView);
            mapView.Map = map;
            mapView.MapCenter = new GeoCoordinate(51.26371, 4.78601); // wechel
            //			mapView.MapTapEvent+= delegate(GeoCoordinate geoCoordinate) {
            //				mapView.AddMarker(geoCoordinate).TouchDown  += MapMarkerClicked;
            //			};

            mapView.MapMaxZoomLevel = 18;
            mapView.MapMinZoomLevel = 12;
            mapView.MapZoom = 16;
            mapView.MapTilt = 30;

            TagsCollectionBase metaData;
            var routingSerializer = new OsmSharp.Routing.CH.Serialization.Sorted.v2.CHEdgeDataDataSourceSerializer(false);
            var graphDeserialized = routingSerializer.Deserialize(
                Assembly.GetExecutingAssembly().GetManifestResourceStream(
                    "OsmSharp.iOS.UI.Sample.kempen-big.osm.pbf.routing"), out metaData, true);

            _router = Router.CreateCHFrom(
                graphDeserialized, new CHRouter(),
                new OsmRoutingInterpreter());

            var from = new GeoCoordinate(51.261203, 4.780760);
            var to = new GeoCoordinate(51.267797, 4.801362);

            RouterPoint routerPoint1 = _router.Resolve(Vehicle.Car, from);
            RouterPoint routerPoint2 = _router.Resolve(Vehicle.Car, to);
            Route route1 = _router.Calculate(Vehicle.Car, routerPoint1, routerPoint2);
            _enumerator = route1.GetRouteEnumerable(10).GetEnumerator();

            _routeLayer = new LayerRoute(map.Projection);
            _routeLayer.AddRoute (route1);
            map.AddLayer(_routeLayer);

            View = mapView;

            mapView.AddMarker(from);
            mapView.AddMarker(to);

            RouteTracker routeTracker = new RouteTracker(route1, new OsmRoutingInterpreter());
            _routeTrackerAnimator = new RouteTrackerAnimator(mapView, routeTracker, 5);

            //            Timer timer = new Timer (250);
            //            timer.Elapsed += new ElapsedEventHandler (TimerHandler);
            //            timer.Start ();
        }

        /// <summary>
        /// Initializes the View property.
        /// </summary>
        public override void LoadView()
        {
            base.LoadView ();

            // enable the logggin.
            OsmSharp.Logging.Log.Enable();
            OsmSharp.Logging.Log.RegisterListener(new OsmSharp.iOS.UI.Log.ConsoleTraceListener());

            // initialize map.
            var map = new Map();
            // add a tile layer.
            //map.AddLayer(new LayerTile(@"http://otile1.mqcdn.com/tiles/1.0.0/osm/{0}/{1}/{2}.png"));
            // add an online osm-data->mapCSS translation layer.
            //map.AddLayer(new OsmLayer(dataSource, mapCSSInterpreter));
            // add a pre-processed vector data file.
            var sceneStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(
                "OsmSharp.iOS.UI.Sample.kempen-big.osm.pbf.scene.layered");
            map.AddLayer(new LayerScene(Scene2D.Deserialize(sceneStream, true)));

            // define dummy from and to points.
            var from = new GeoCoordinate(51.261203, 4.780760);
            var to = new GeoCoordinate(51.267797, 4.801362);

            // deserialize the pre-processed graph.
            var routingSerializer = new CHEdgeDataDataSourceSerializer(false);
            TagsCollectionBase metaData = null;
            var graphStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(
                "OsmSharp.iOS.UI.Sample.kempen-big.osm.pbf.routing");
            var graphDeserialized = routingSerializer.Deserialize(graphStream, out metaData, true);

            // initialize router.
            _router = Router.CreateCHFrom(graphDeserialized, new CHRouter(), new OsmRoutingInterpreter());

            // resolve points.
            RouterPoint routerPoint1 = _router.Resolve(Vehicle.Car, from);
            RouterPoint routerPoint2 = _router.Resolve(Vehicle.Car, to);

            // calculate route.
            Route route = _router.Calculate(Vehicle.Car, routerPoint1, routerPoint2);
            RouteTracker routeTracker = new RouteTracker(route, new OsmRoutingInterpreter());
            _enumerator = route.GetRouteEnumerable(10).GetEnumerator();

            // add a router layer.
            _routeLayer = new LayerRoute(map.Projection);
            _routeLayer.AddRoute (route, SimpleColor.FromKnownColor(KnownColor.Blue, 125).Value, 12);
            map.AddLayer(_routeLayer);

            // define the mapview.
            _mapView = new MapView();
            //_mapView.MapTapEvent += new MapViewEvents.MapTapEventDelegate(_mapView_MapTapEvent);
            _mapView.Map = map;
            _mapView.MapMaxZoomLevel = 20;
            _mapView.MapMinZoomLevel = 10;
            _mapView.MapTilt = 0;
            _mapView.MapCenter = new GeoCoordinate(51.26371, 4.78601);
            _mapView.MapZoom = 18;

            // add markers.
            _mapView.AddMarker (from);
            _mapView.AddMarker (to);

            // create the route tracker animator.
            _routeTrackerAnimator = new RouteTrackerAnimator(_mapView, routeTracker, 5, 17);

            // simulate a number of gps-location update along the calculated route.
            Timer timer = new Timer(250);
            timer.Elapsed += new ElapsedEventHandler(TimerHandler);
            timer.Start();

            View = _mapView;
        }

//.........这里部分代码省略.........
            map.AddLayer(
                new LayerScene(
                Scene2DLayered.Deserialize(
                    Assembly.GetExecutingAssembly().GetManifestResourceStream(@"OsmSharp.Android.UI.Sample.wvl.map"), true)));

            //			var routingSerializer = new V2RoutingDataSourceLiveEdgeSerializer(true);
            //			var graphSerialized = routingSerializer.Deserialize(
            //				//Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Android.UI.Sample.test.osm.pbf.routing.3"));
            //				Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Android.UI.Sample.wvl.pbf.routing.4"));
            ////
            ////			var graphLayer = new LayerDynamicGraphLiveEdge(graphSerialized, mapCSSInterpreter);
            ////			map.AddLayer(graphLayer);
            //
            //			// calculate route.
            //			Router router = Router.CreateLiveFrom(
            //				graphSerialized,
            //				new OsmRoutingInterpreter());

            var routingSerializer = new OsmSharp.Routing.CH.Serialization.Sorted.CHEdgeDataDataSourceSerializer(false);
            var graphDeserialized = routingSerializer.Deserialize(
                Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Android.UI.Sample.wvl.routing"), true);

            _router = Router.CreateCHFrom(
                graphDeserialized, new CHRouter(),
                new OsmRoutingInterpreter());
            GeoCoordinate point1 = new GeoCoordinate(51.158075, 2.961545);
            GeoCoordinate point2 = new GeoCoordinate(51.190503, 3.004793);
            RouterPoint routerPoint1 = _router.Resolve(Vehicle.Car, point1);
            RouterPoint routerPoint2 = _router.Resolve(Vehicle.Car, point2);
            Route route1 = _router.Calculate(Vehicle.Car, routerPoint1, routerPoint2);
            RouteTracker routeTracker = new RouteTracker(route1, new OsmRoutingInterpreter());
            _enumerator = route1.GetRouteEnumerable(20).GetEnumerator();

            _routeLayer = new LayerRoute(map.Projection);
            _routeLayer.AddRoute (route1, SimpleColor.FromKnownColor(KnownColor.Blue).Value);
            map.AddLayer(_routeLayer);

            //			// create gpx layer.
            //			LayerGpx gpxLayer = new LayerGpx(map.Projection);
            //			gpxLayer.AddGpx(
            //				Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Android.UI.Sample.test.gpx"));
            //			map.AddLayer(gpxLayer);

            //			// set control properties.
            //			var mapView = new MapView(this);
            //			mapView.MapMaxZoomLevel = 20;
            //			mapView.MapMinZoomLevel = 12;
            //			//var mapView = new MapGLView (this);
            //			mapView.Map = map;
            //			//mapView.Center = new GeoCoordinate(51.158075, 2.961545); // gistel
            //			//mapView.MapCenter = new GeoCoordinate (50.88672, 3.23899);
            //			mapView.MapCenter = new GeoCoordinate(51.26337, 4.78739);
            //			//mapView.Center = new GeoCoordinate(51.156803, 2.958887);
            //			mapView.MapZoomLevel = 15;

            //			var mapView = new OpenGLRenderer2D(
            //				this, null);

            //            _mapView = new MapView<MapGLView>(this, new MapGLView(this));

            _mapView = new MapView(this, new MapViewSurface(this));
            //_mapView = new MapView(this, new MapViewGLSurface(this));
            _mapView.Map = map;

            (_mapView as IMapView).AutoInvalidate = true;
            _mapView.MapMaxZoomLevel = 20;
            _mapView.MapMinZoomLevel = 12;
            _mapView.MapTilt = 0;
            //var mapView = new MapGLView (this);
            _mapView.MapCenter = new GeoCoordinate(51.158075, 2.961545); // gistel
            //mapView.MapCenter = new GeoCoordinate (50.88672, 3.23899);
            //mapLayout.MapCenter = new GeoCoordinate(51.26337, 4.78739);
            //mapView.Center = new GeoCoordinate(51.156803, 2.958887);
            _mapView.MapZoom = 17;
            //MapViewAnimator mapViewAnimator = new MapViewAnimator(mapLayout);
            //_mapView.MapTapEvent += delegate(GeoCoordinate geoCoordinate)
            //{
            //    _mapView.ZoomToMarkers();
            //    //_mapView.AddMarker(geoCoordinate).Click += new EventHandler(MainActivity_Click);
            //    //mapViewAnimator.Stop();
            //    //mapViewAnimator.Start(geoCoordinate, 15, new TimeSpan(0, 0, 2));
            //};

            //Create the user interface in code
            var layout = new RelativeLayout (this);
            layout.AddView(_mapView);

            _mapView.AddMarker(new GeoCoordinate(51.1612, 2.9795));
            _mapView.AddMarker(new GeoCoordinate(51.1447, 2.9483));

            //_mapView.ZoomToMarkers();

            _routeTrackerAnimator = new RouteTrackerAnimator(_mapView, routeTracker, 5);

            Timer timer = new Timer(250);
            timer.Elapsed += new ElapsedEventHandler(TimerHandler);
            timer.Start();

            SetContentView (layout);
        }

        /// <summary>
        /// Raises the create event.
        /// </summary>
        /// <param name="bundle">Bundle.</param>
        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate (bundle);

            // enable the logggin.
            OsmSharp.Logging.Log.Enable();
            OsmSharp.Logging.Log.RegisterListener(new OsmSharp.Android.UI.Log.LogTraceListener());

            // initialize map.
            var map = new Map();
            // add a tile layer.
            //map.AddLayer(new LayerTile(@"http://otile1.mqcdn.com/tiles/1.0.0/osm/{0}/{1}/{2}.png"));
            // add an online osm-data->mapCSS translation layer.
            //map.AddLayer(new OsmLayer(dataSource, mapCSSInterpreter));
            // add a pre-processed vector data file.
            var sceneStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(@"OsmSharp.Android.UI.Sample.kempen-big.osm.pbf.scene.layered");
            map.AddLayer(new LayerScene(Scene2D.Deserialize(sceneStream, true)));

            // define dummy from and to points.
            var from = new GeoCoordinate(51.261203, 4.780760);
            var to = new GeoCoordinate(51.267797, 4.801362);

            // deserialize the pre-processed graph.
            var routingSerializer = new CHEdgeDataDataSourceSerializer(false);
            TagsCollectionBase metaData = null;
            var graphStream = Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Android.UI.Sample.kempen-big.osm.pbf.routing");
            var graphDeserialized = routingSerializer.Deserialize(graphStream, out metaData, true);

            // initialize router.
            _router = Router.CreateCHFrom(graphDeserialized, new CHRouter(), new OsmRoutingInterpreter());

            // resolve points.
            RouterPoint routerPoint1 = _router.Resolve(Vehicle.Car, from);
            RouterPoint routerPoint2 = _router.Resolve(Vehicle.Car, to);

            // calculate route.
            Route route = _router.Calculate(Vehicle.Car, routerPoint1, routerPoint2);
            RouteTracker routeTracker = new RouteTracker(route, new OsmRoutingInterpreter());
            _enumerator = route.GetRouteEnumerable(10).GetEnumerator();

            // add a router layer.
            _routeLayer = new LayerRoute(map.Projection);
            _routeLayer.AddRoute (route, SimpleColor.FromKnownColor(KnownColor.Blue, 125).Value, 12);
            map.AddLayer(_routeLayer);

            // define the mapview.
            _mapView = new MapView(this, new MapViewSurface(this));
            //_mapView = new MapView(this, new MapViewGLSurface(this));
            //_mapView.MapTapEvent += new MapViewEvents.MapTapEventDelegate(_mapView_MapTapEvent);
            (_mapView as IMapView).AutoInvalidate = true;
            _mapView.Map = map;
            _mapView.MapMaxZoomLevel = 20;
            _mapView.MapMinZoomLevel = 10;
            _mapView.MapTilt = 0;
            _mapView.MapCenter = new GeoCoordinate(51.26371, 4.78601);
            _mapView.MapZoom = 18;

            // add markers.
            _mapView.AddMarker (from);
            _mapView.AddMarker (to);

            // initialize a text view to display routing instructions.
            _textView = new TextView(this);
            _textView.SetBackgroundColor(global::Android.Graphics.Color.White);
            _textView.SetTextColor(global::Android.Graphics.Color.Black);

            // add the mapview to the linear layout.
            var layout = new LinearLayout(this);
            layout.Orientation = Orientation.Vertical;
            layout.AddView(_textView);
            layout.AddView(_mapView);

            // create the route tracker animator.
            _routeTrackerAnimator = new RouteTrackerAnimator(_mapView, routeTracker, 5, 18);

            // simulate a number of gps-location update along the calculated route.
            Timer timer = new Timer(500);
            timer.Elapsed += new ElapsedEventHandler(TimerHandler);
            timer.Start();

            SetContentView (layout);
        }

        public override void LoadView()
        {
            OsmSharp.Logging.Log.Enable ();

            base.LoadView ();

            // initialize a test-map.
            var map = new Map ();
            map.AddLayer (new LayerScene (Scene2DLayered.Deserialize (
                Assembly.GetExecutingAssembly ().GetManifestResourceStream ("OsmSharp.iOS.UI.Sample.wvl.map"),
                    true)));

            // Perform any additional setup after loading the view, typically from a nib.
            MapView mapView = new MapView ();
            _mapView = mapView;
            //mapViewAnimator = new MapViewAnimator (mapView);
            mapView.Map = map;
            mapView.MapCenter = new GeoCoordinate(51.158075, 2.961545); // gistel
            //			mapView.MapTapEvent+= delegate(GeoCoordinate geoCoordinate) {
            //				mapView.AddMarker(geoCoordinate).TouchDown  += MapMarkerClicked;
            //			};

            mapView.MapMaxZoomLevel = 18;
            mapView.MapMinZoomLevel = 12;
            mapView.MapZoom = 16;
            mapView.MapTilt = 30;

            var routingSerializer = new OsmSharp.Routing.CH.Serialization.Sorted.CHEdgeDataDataSourceSerializer(false);
            var graphDeserialized = routingSerializer.Deserialize(
                Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.iOS.UI.Sample.wvl.routing"), true);

            _router = Router.CreateCHFrom(
                graphDeserialized, new CHRouter(graphDeserialized),
                new OsmRoutingInterpreter());

            //			long before = DateTime.Now.Ticks;
            //
            //			var routeLocations = new GeoCoordinate[] {
            //				new GeoCoordinate (50.8247730, 2.7524706),
            //				new GeoCoordinate (50.8496394, 2.7301512),
            //				new GeoCoordinate (50.8927741, 2.6138545),
            //				new GeoCoordinate (50.8296363, 2.8869437)
            //			};
            //
            //			var routerPoints = new RouterPoint[routeLocations.Length];
            //			for (int idx = 0; idx < routeLocations.Length; idx++) {
            //				routerPoints [idx] = router.Resolve (Vehicle.Car, routeLocations [idx]);
            //
            //				mapView.AddMarker (routeLocations [idx]);
            //			}
            //			OsmSharp.Routing.TSP.RouterTSPWrapper<RouterTSPAEXGenetic> tspRouter = new OsmSharp.Routing.TSP.RouterTSPWrapper<RouterTSPAEXGenetic> (
            //				new RouterTSPAEXGenetic (10, 20), router);
            //
            //			Route route = tspRouter.CalculateTSP (Vehicle.Car, routerPoints);
            //
            //			long after = DateTime.Now.Ticks;
            //
            //			OsmSharp.Logging.Log.TraceEvent("OsmSharp.Android.UI.MapView", System.Diagnostics.TraceEventType.Information,"Routing & TSP in {0}ms",
            //			                                new TimeSpan (after - before).TotalMilliseconds);
            // 51.160477" lon="2.961497
            GeoCoordinate point1 = new GeoCoordinate(51.158075, 2.961545);
            GeoCoordinate point2 = new GeoCoordinate(51.190503, 3.004793);

            //GeoCoordinate point1 = new GeoCoordinate(51.159132, 2.958755);
            //GeoCoordinate point2 = new GeoCoordinate(51.160477, 2.961497);
            RouterPoint routerPoint1 = _router.Resolve(Vehicle.Car, point1);
            RouterPoint routerPoint2 = _router.Resolve(Vehicle.Car, point2);
            Route route1 = _router.Calculate(Vehicle.Car, routerPoint1, routerPoint2);
            _enumerator = route1.GetRouteEnumerable(10).GetEnumerator();

            //List<Instruction> instructions = InstructionGenerator.Generate(route1, new OsmRoutingInterpreter());
            //
            _routeLayer = new LayerRoute(map.Projection);
            _routeLayer.AddRoute (route1);
            map.AddLayer(_routeLayer);

            View = mapView;

            mapView.AddMarker(new GeoCoordinate(51.1612, 2.9795));
            mapView.AddMarker(new GeoCoordinate(51.1447, 2.9483));
            mapView.AddMarker(point1);
            mapView.AddMarker(point2);
            mapView.AddMarker(new GeoCoordinate(51.1612, 2.9795));
            mapView.AddMarker(new GeoCoordinate(51.1447, 2.9483));
            mapView.AddMarker(new GeoCoordinate(51.1612, 2.9795));
            mapView.AddMarker(new GeoCoordinate(51.1447, 2.9483));
            //
            //			//mapView.ZoomToMarkers();

            //GeoCoordinateBox box = new GeoCoordinateBox (new GeoCoordinate[] { point1, point2 });
            //
            mapView.MapTapEvent += delegate(GeoCoordinate geoCoordinate)
            {
                //_routeTrackerAnimator.Track(box.GenerateRandomIn());

                //_mapView.AddMarker(geoCoordinate).Click += new EventHandler(MainActivity_Click);
                //mapViewAnimator.Stop();
                //mapViewAnimator.Start(geoCoordinate, 15, new TimeSpan(0, 0, 2));
            };

//.........这里部分代码省略.........

        /// <summary>
        /// Raises the create event.
        /// </summary>
        /// <param name="bundle">Bundle.</param>
        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);

            // hide title bar.
            this.RequestWindowFeature(global::Android.Views.WindowFeatures.NoTitle);

            // initialize map.
            var map = new Map();
            map.AddLayer(new LayerMBTile(OsmSharp.Android.UI.Data.SQLite.SQLiteConnection.CreateFrom(
                Assembly.GetExecutingAssembly().GetManifestResourceStream(@"OsmSharp.Android.UI.Sample.kempen.mbtiles"), "map")));
            // add a tile layer.

            //var layer = new LayerTile(@"http://a.tiles.mapbox.com/v3/osmsharp.i8ckml0l/{0}/{1}/{2}.png");
            //map.AddLayer(layer);
            //layer.IsVisible = false;
            //map.AddLayer(new LayerTile(@"http://a.tiles.mapbox.com/v3/osmsharp.i8ckml0l/{0}/{1}/{2}.png"));
            //map.AddLayerGpx(Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Android.UI.Sample.regression1.gpx"));
            //
            // add an on-line osm-data->mapCSS translation layer.
            //map.AddLayer(new OsmLayer(dataSource, mapCSSInterpreter));
            // add a preprocessed vector data file.
            //var sceneStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(@"OsmSharp.Android.UI.Sample.default.map");
            //map.AddLayer(new LayerScene(Scene2D.Deserialize(sceneStream, true)));

            //// define dummy from and to points.
            //var from = new GeoCoordinate(51.261203, 4.780760);
            //var to = new GeoCoordinate(51.267797, 4.801362);

            //// deserialize the preprocessed graph.
            //var routingSerializer = new CHEdgeDataDataSourceSerializer();
            //var graphStream = Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Android.UI.Sample.kempen-big.osm.pbf.routing");
            //var graphDeserialized = routingSerializer.Deserialize(graphStream, true);

            //// initialize router.
            //_router = Router.CreateCHFrom(graphDeserialized, new CHRouter(), new OsmRoutingInterpreter());

            //// resolve points.
            //var routerPoint1 = _router.Resolve(Vehicle.Car, from);
            //var routerPoint2 = _router.Resolve(Vehicle.Car, to);

            //// calculate route.
            //var route = _router.Calculate(Vehicle.Car, routerPoint1, routerPoint2);

            //// add a router layer.
            //_routeLayer = new LayerRoute(map.Projection);
            //_routeLayer.AddRoute(route, SimpleColor.FromKnownColor(KnownColor.Blue, 125).Value, 12);
            //map.AddLayer(_routeLayer);

            // define the mapview.
            _mapView = new MapView(this, new MapViewSurface(this));
            //_mapView = new MapView(this, new MapViewGLSurface(this));
            //_mapView.MapTapEvent += new MapViewEvents.MapTapEventDelegate(_mapView_MapTapEvent);
            _mapView.MapTapEvent += _mapView_MapTapEvent;
            _mapView.Map = map;
            //_mapView.MapMaxZoomLevel = 20;
            //_mapView.MapMinZoomLevel = 10;
            _mapView.MapTilt = 0;
            _mapView.MapCenter = new GeoCoordinate(51.261203, 4.780760);
            _mapView.MapZoom = 16;
            _mapView.MapAllowTilt = false;

            _mapView.MapTouchedUp += _mapView_MapTouchedUp;
            _mapView.MapTouched += _mapView_MapTouched;
            _mapView.MapTouchedDown += _mapView_MapTouchedDown;

            // AddMarkers();
            // AddControls();

            // initialize a text view to display routing instructions.
            _textView = new TextView(this);
            _textView.SetBackgroundColor(global::Android.Graphics.Color.White);
            _textView.SetTextColor(global::Android.Graphics.Color.Black);

            // add the mapview to the linear layout.
            var layout = new RelativeLayout(this);
            //layout.Orientation = Orientation.Vertical;
            //layout.AddView(_textView);
            layout.AddView(_mapView);

            // create the route tracker animator.
            //_routeTrackerAnimator = new RouteTrackerAnimator(_mapView, routeTracker, 5, 17);

            // simulate a mapzoom change every 5 seconds.
            //Timer timer = new Timer(5000);
            //timer.Elapsed += new ElapsedEventHandler(TimerHandler);
            //timer.Start();

            _centerMarker = _mapView.AddMarker(_mapView.MapCenter);

            _mapView.MapInitialized += _mapView_MapInitialized;

            SetContentView(layout);
        }