C# MarkerOptions.Draggable方法代码示例

        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);
            SetContentView(Resource.Layout.SecondView);

            var viewModel = (SecondViewModel) ViewModel;

            var mapFragment = (SupportMapFragment)SupportFragmentManager.FindFragmentById(Resource.Id.map);

            var options = new MarkerOptions();
            options.SetPosition(new LatLng(viewModel.Han.Location.Lat, viewModel.Han.Location.Lng));
            options.SetTitle("Han");
            options.Draggable(true);
            var hanMarker = mapFragment.Map.AddMarker(options);

            _han = new MarkerWrapper(hanMarker);

            mapFragment.Map.MarkerDragEnd += (sender, args) =>
                {
                    _han.FirePositionChangedFromMap();
                };

            var set = this.CreateBindingSet<SecondView, SecondViewModel>();
            set.Bind(_han)
               .For(m => m.Position)
               .To(vm => vm.Han.Location)
               .WithConversion(new LocationToLatLngValueConverter(), null);
            set.Apply();

        }

        public MapRoute(GoogleMap map, List<Station> stations)
        {
            _map = map;
            _mapRoutes = new List<Polyline>();
            _mapStations = new List<Marker>();

            // Choose color;
            Color color = Color.DodgerBlue;

            // Create polyline.
            var polyline = new PolylineOptions();
            polyline.InvokeWidth(4f);
            polyline.InvokeColor(color);

            for (var i = 0; i < stations.Count; i++)
            {
                // Add points to polyline.
                var station = stations[i];
                if (station != null && station.latitude != 0f && station.longitude != 0f)
                {
                    var latlng = new Android.Gms.Maps.Model.LatLng(station.latitude, station.longitude);
                    polyline.Add(latlng);
                    // Create marker.
                    var marker = new MarkerOptions();
                    marker.SetPosition(latlng);
                    marker.SetTitle((i + 1) + ". " + station.postName);
                    marker.Draggable(false);
                    marker.SetSnippet("ul. " + station.street);
                    _mapStations.Add(_map.AddMarker(marker));
                }
            }

            // Add polyline to map.
            _mapRoutes.Add(_map.AddPolyline(polyline));
        }

        private void OnMyLocationButtonClick(object sender, GoogleMap.MyLocationButtonClickEventArgs e)
        {
            var myLocation = GetMyLocation();
            if (myLocation == null)
            {
                Logger.Log("Brak sygna³u GPS.");
                MessagingCenter.Send(_myMap, "DisplayAlert", new AlertMessage("B³¹d", "Brak sygna³u GPS."));
                return;
            }
            var myLatLng = new Android.Gms.Maps.Model.LatLng(myLocation.Latitude, myLocation.Longitude);

            // Create new starting marker.
            if (_startMarker == null)
            {
                var marker = new MarkerOptions();
                marker.SetPosition(myLatLng);
                marker.SetTitle("Od");
                marker.Draggable(true);
                // TODO: Custom start icon.

                _startMarker = _map.AddMarker(marker);
                _startMarker.ShowInfoWindow();
            }
            // Move existing marker.
            else
            {
                _startMarker.Position = myLatLng;
                _startMarker.ShowInfoWindow();
            }
            _map.AnimateCamera(CameraUpdateFactory.NewLatLngZoom(myLatLng, DefaultZoom));
        }

        private void OnMapClick(object sender, GoogleMap.MapClickEventArgs e)
        {
            var latlng = e.Point;
            // Create new destination marker.
            if (_destinationMarker == null)
            {
                var marker = new MarkerOptions();
                marker.SetPosition(latlng);
                marker.SetTitle("Do");
                marker.Draggable(true);
                marker.SetSnippet("Punkt docelowy");
                // TODO: Custom destination icon.

                _destinationMarker = _map.AddMarker(marker);
                _destinationMarker.ShowInfoWindow();
            }
            // Move existing marker.
            else
            {
                _destinationMarker.Position = latlng;
                _destinationMarker.ShowInfoWindow();
            }
        }

        private void OnBtnLocalizeClicked(MapPage mapPage)
        {
            var myLocation = GetMyLocation();
            if (myLocation == null)
            {
                Logger.Log("Brak sygna³u GPS.");
                MessagingCenter.Send(_myMap, "DisplayAlert", new AlertMessage("B³¹d", "Brak sygna³u GPS."));
                return;
            }
            var myLatLng = new Android.Gms.Maps.Model.LatLng(myLocation.Latitude, myLocation.Longitude);

            // Create new starting marker.
            if (_startMarker == null)
            {
                var marker = new MarkerOptions();
                marker.SetPosition(myLatLng);
                marker.SetTitle("Od");
                marker.Draggable(false);
                // TODO: Custom start icon.

                _startMarker = _map.AddMarker(marker);
                _startMarker.ShowInfoWindow();
            }
            // Move existing marker.
            else
            {
                _startMarker.Position = myLatLng;
            }
            _map.AnimateCamera(CameraUpdateFactory.NewLatLngZoom(myLatLng, DefaultZoom));

            // TODO: Display nearest stations.
            var nearestStations = App.Database.GetNearestStations(myLatLng.Latitude, myLatLng.Longitude, 5);
            for (var i = 0; i < nearestStations.Length; i++)
            {
                var station = nearestStations[i];
                var marker = new MarkerOptions();
                var latLng = new Android.Gms.Maps.Model.LatLng(station.latitude, station.longitude);
                marker.SetPosition(latLng);
                marker.SetTitle(string.Format("{0}. {1} - {2}", station.postId, station.postName, station.street));
                marker.Draggable(false);
                marker.SetSnippet("Wiêcej...");
                // TODO: Custom stations's icon.

                var mapMarker = _map.AddMarker(marker);
                var stationMarker = new StationMarker(station, mapMarker);
                _nearestMarkers.Add(stationMarker);
            }
        }

        private void updatePins()
        {
            var androidMapView = (MapView)Control;
            var formsMap = (Xam.Plugin.MapExtend.Abstractions.MapExtend)Element;

            androidMapView.Map.Clear();


            androidMapView.Map.MyLocationEnabled = formsMap.IsShowingUser;


            var items = formsMap.Pins;

            foreach (var item in items)
            {
                var markerWithIcon = new MarkerOptions();
                markerWithIcon.SetPosition(new LatLng(item.Position.Latitude, item.Position.Longitude));
                markerWithIcon.SetTitle(string.IsNullOrWhiteSpace(item.Label) ? "-" : item.Label);

                markerWithIcon.Draggable(true);

                androidMapView.Map.AddMarker(markerWithIcon);
            }
        }

        /// <summary>
        /// Adds a marker to the map
        /// </summary>
        /// <param name="pin">The Forms Pin</param>
        private async void AddPin(TKCustomMapPin pin)
        {
            var markerWithIcon = new MarkerOptions();
            markerWithIcon.SetPosition(new LatLng(pin.Position.Latitude, pin.Position.Longitude));

            if (!string.IsNullOrWhiteSpace(pin.Title))
                markerWithIcon.SetTitle(pin.Title);
            if (!string.IsNullOrWhiteSpace(pin.Subtitle))
                markerWithIcon.SetSnippet(pin.Subtitle);

            await this.UpdateImage(pin, markerWithIcon);
            markerWithIcon.Draggable(pin.IsDraggable);
            markerWithIcon.Visible(pin.IsVisible);

            this._markers.Add(pin, this._googleMap.AddMarker(markerWithIcon));
        }

		public void OnLocationChanged (Android.Locations.Location location)
		{
			string tag= "OnLocationChanged";
			Log.Debug (tag, "Location changed");
			if (imhere.Enabled == false) {
				imhere.Enabled = true;
				imhere.Text="Estoy Aquí";
			}

			esperadatos.Visibility = ViewStates.Gone;

			if (FragmentMap.Visibility == ViewStates.Gone) {
				FragmentMap.Visibility = ViewStates.Visible;
			}

			lat = location.Latitude.ToString ();
			lng = location.Longitude.ToString ();

			LatLng location2 = new LatLng(Convert.ToDouble(lat), Convert.ToDouble(lng));
			CameraPosition.Builder builder = CameraPosition.InvokeBuilder();
			builder.Target(location2);
			builder.Zoom(16);
			//builder.Bearing(155);
			//builder.Tilt(65);
			CameraPosition cameraPosition = builder.Build();
			CameraUpdate cameraUpdate = CameraUpdateFactory.NewCameraPosition(cameraPosition);


			if (map != null)
			{
				map.MapType = GoogleMap.MapTypeNormal;
				MarkerOptions markerOpt1 = new MarkerOptions();
				markerOpt1.SetPosition(new LatLng(Convert.ToDouble(lat), Convert.ToDouble(lng)));
				markerOpt1.SetTitle("Aquí estoy!");
				markerOpt1.SetIcon(BitmapDescriptorFactory.FromResource(Resource.Drawable.pliflocation3));
				markerOpt1.Draggable(true);
				if (currentm != null) {
					currentm.Remove ();
				}
				currentm = null;
				currentm=map.AddMarker(markerOpt1);
				map.MoveCamera(cameraUpdate);

			}

			Log.Debug (tag, "LATITUD: "+lat+" LONGITUD: "+lng);
		}

//.........这里部分代码省略.........
					subcategoria.Text="";
					guioncat.Text="";
				}else{
					subcategoria.Text=objeto["subcategoria"];
				}

				//likes
				likes.Text=objeto["likes"]+" Personas";

				//mapa?
				try{
					mapFrag = (MapFragment)FragmentManager.FindFragmentById(Resource.Id.map);
					map = mapFrag.Map;

					LatLng location = new LatLng(objeto["geo_lat"], objeto["geo_long"]);
					CameraPosition.Builder builder = CameraPosition.InvokeBuilder();
					builder.Target(location);
					builder.Zoom(16);
					//builder.Bearing(155);
					//builder.Tilt(65);
					CameraPosition cameraPosition = builder.Build();
					CameraUpdate cameraUpdate = CameraUpdateFactory.NewCameraPosition(cameraPosition);



					if (map != null)
					{
						map.MapType = GoogleMap.MapTypeNormal;

						MarkerOptions markerOpt1 = new MarkerOptions();
						markerOpt1.SetPosition(new LatLng(objeto["geo_lat"], objeto["geo_long"]));
						markerOpt1.SetTitle(objeto["titulo"]);
						markerOpt1.SetIcon(BitmapDescriptorFactory.FromResource(Resource.Drawable.pliflocation3));
						markerOpt1.Draggable(true);
						map.AddMarker(markerOpt1);
						map.MoveCamera(cameraUpdate);




					}
				}catch(Exception ex){
					Log.Debug (tag, "GMAPS ERROR:"+ex);
				}


				//direccion
				TextView callenum = FindViewById<TextView> (Resource.Id.callenum);
				callenum.Text=objeto["geo_calle"]+" "+objeto["geo_numero"];
				TextView colonia = FindViewById<TextView> (Resource.Id.colonia);
				colonia.Text=objeto["geo_colonia"];
				TextView regpais = FindViewById<TextView> (Resource.Id.regpais);
				regpais.Text=objeto["geo_estado"]+", "+objeto["geo_pais"];

				//acerca de este negocio
				TextView mapmarker1 = FindViewById<TextView> (Resource.Id.sobreeste);
				mapmarker1.SetTypeface(font, TypefaceStyle.Normal);

				TextView descripcion = FindViewById<TextView> (Resource.Id.descripcion);
				string desc=objeto["descripcion"];

				descripcion.Text=System.Net.WebUtility.HtmlDecode(desc);
				descripcion.Visibility=ViewStates.Gone;

				WebView descweb = FindViewById<WebView> (Resource.Id.descweb);
				descweb.Settings.JavaScriptEnabled=true;