Show location history

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 /*  * Copyright 2020 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.  *  */  package com.esri.samples.show_location_history;  import java.nio.charset.StandardCharsets; import java.util.Arrays; import java.util.Calendar;  import javafx.application.Application; import javafx.geometry.Insets; import javafx.geometry.Pos; import javafx.scene.Scene; import javafx.scene.control.Alert; import javafx.scene.control.Label; import javafx.scene.control.ToggleButton; import javafx.scene.layout.Background; import javafx.scene.layout.BackgroundFill; import javafx.scene.layout.CornerRadii; import javafx.scene.layout.HBox; import javafx.scene.layout.StackPane; import javafx.scene.paint.Color; import javafx.scene.paint.Paint; import javafx.stage.Stage;  import com.esri.arcgisruntime.ArcGISRuntimeEnvironment; import com.esri.arcgisruntime.geometry.Geometry; import com.esri.arcgisruntime.geometry.Point; import com.esri.arcgisruntime.geometry.Polyline; import com.esri.arcgisruntime.geometry.PolylineBuilder; import com.esri.arcgisruntime.geometry.SpatialReferences; import com.esri.arcgisruntime.loadable.LoadStatus; import com.esri.arcgisruntime.location.LocationDataSource; import com.esri.arcgisruntime.location.LocationDataSource.LocationChangedListener; import com.esri.arcgisruntime.location.SimulatedLocationDataSource; import com.esri.arcgisruntime.location.SimulationParameters; import com.esri.arcgisruntime.mapping.ArcGISMap; import com.esri.arcgisruntime.mapping.BasemapStyle; import com.esri.arcgisruntime.mapping.Viewpoint; import com.esri.arcgisruntime.mapping.view.Graphic; import com.esri.arcgisruntime.mapping.view.GraphicsOverlay; import com.esri.arcgisruntime.mapping.view.LocationDisplay; import com.esri.arcgisruntime.mapping.view.MapView; import com.esri.arcgisruntime.symbology.SimpleLineSymbol; import com.esri.arcgisruntime.symbology.SimpleMarkerSymbol; import com.esri.arcgisruntime.symbology.SimpleRenderer;  import org.apache.commons.io.IOUtils;  public class ShowLocationHistorySample extends Application {   private MapView mapView;  private Point position;   @Override  public void start(Stage stage) {   try {   // create stack pane and application scene  StackPane stackPane = new StackPane();  Scene scene = new Scene(stackPane);   // set title, size, and add scene to stage  stage.setTitle("Show Location History Sample");  stage.setWidth(800);  stage.setHeight(700);  stage.setScene(scene);  stage.show();  scene.getStylesheets().add(getClass().getResource("/show_location_history/style.css").toExternalForm());   // authentication with an API key or named user is required to access basemaps and other location services  String yourAPIKey = System.getProperty("apiKey");  ArcGISRuntimeEnvironment.setApiKey(yourAPIKey);   // create a map with the dark gray basemap style  ArcGISMap map = new ArcGISMap(BasemapStyle.ARCGIS_DARK_GRAY);   // create a map view and set the map to it  mapView = new MapView();  mapView.setMap(map);   // set a viewpoint on the map view centered on Los Angeles, California  mapView.setViewpoint(new Viewpoint(new Point(-13185535.98, 4037766.28, SpatialReferences.getWebMercator()), 7000));   // create a label  Label trackingLabel = new Label("Tracking Status: ");   // create a button that toggles the location tracking  ToggleButton trackingButton = new ToggleButton("Start");  trackingButton.maxWidth(Double.MAX_VALUE);  trackingButton.setDisable(true);   // create a graphics overlay for the points and use a red circle for the symbols  GraphicsOverlay locationHistoryOverlay = new GraphicsOverlay();  SimpleMarkerSymbol locationSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbol.Style.CIRCLE, Color.RED, 10f);  SimpleRenderer locationHistoryRenderer = new SimpleRenderer(locationSymbol);  locationHistoryOverlay.setRenderer(locationHistoryRenderer);   // create a graphics overlay for the lines connecting the points and use a green line for the symbol  GraphicsOverlay locationHistoryLineOverlay = new GraphicsOverlay();  SimpleLineSymbol locationLineSymbol = new SimpleLineSymbol(SimpleLineSymbol.Style.SOLID, Color.LIME, 2.0f);  SimpleRenderer locationHistoryLineRenderer = new SimpleRenderer(locationLineSymbol);  locationHistoryLineOverlay.setRenderer(locationHistoryLineRenderer);   // add the graphics overlays to the map view  mapView.getGraphicsOverlays().addAll(Arrays.asList(locationHistoryOverlay, locationHistoryLineOverlay));   // create a polyline builder to connect the location points  PolylineBuilder polylineBuilder = new PolylineBuilder(SpatialReferences.getWebMercator());   // access the json of the location points  String polylineData = IOUtils.toString(getClass().getResourceAsStream("/show_location_history/polyline_data.json"), StandardCharsets.UTF_8);  // create a polyline from the location points  Polyline routePolyline = (Polyline) Geometry.fromJson(polylineData, SpatialReferences.getWebMercator());   // create a simulated location data source  SimulatedLocationDataSource simulatedLocationDataSource = new SimulatedLocationDataSource();  // set the location of the simulated location data source with simulation parameters to set a consistent velocity  simulatedLocationDataSource.setLocations(  routePolyline, new SimulationParameters(Calendar.getInstance(), 30.0, 0.0, 0.0));   // configure the map view's location display to follow the simulated location data source  LocationDisplay locationDisplay = mapView.getLocationDisplay();  locationDisplay.setLocationDataSource(simulatedLocationDataSource);  locationDisplay.setAutoPanMode(LocationDisplay.AutoPanMode.RECENTER);  locationDisplay.setInitialZoomScale(7000);   // create a listener to track the previous location, to draw a route line behind the location display symbol  LocationChangedListener locationChangedListener =  (LocationDataSource.LocationChangedEvent locationChangedEvent) -> {   // reset the old polyline connecting the points  locationHistoryLineOverlay.getGraphics().clear();   // add any previous position to the history  if (position != null) {  // add the new point to the polyline  polylineBuilder.addPoint(position);  // add the new point to the graphics overlay  locationHistoryOverlay.getGraphics().add(new Graphic(position));  }  // store the current position  position = locationChangedEvent.getLocation().getPosition();   // add the updated polyline to the graphics overlay  locationHistoryLineOverlay.getGraphics().add(new Graphic(polylineBuilder.toGeometry()));  };   trackingButton.setOnAction(event -> {  // if the user has panned away from the location display, turn it on again  if (locationDisplay.getAutoPanMode() == LocationDisplay.AutoPanMode.OFF) {  locationDisplay.setAutoPanMode(LocationDisplay.AutoPanMode.RECENTER);  }  // toggle the location tracking when the button is clicked  if (trackingButton.isSelected()) {  simulatedLocationDataSource.addLocationChangedListener(locationChangedListener);  trackingButton.setText("Active");  trackingButton.setStyle("-fx-focus-color: #00ff00;");  } else {  simulatedLocationDataSource.removeLocationChangedListener(locationChangedListener);  trackingButton.setText("Stopped");  trackingButton.setStyle("-fx-focus-color: #f16345;");  }  });   // enable the button interactions when the map is loaded  map.addDoneLoadingListener(() -> {   if (map.getLoadStatus() == LoadStatus.LOADED) {  trackingButton.setDisable(false);   // start the simulated location data source  simulatedLocationDataSource.startAsync();   } else {  new Alert(Alert.AlertType.ERROR, "Map failed to load: " + map.getLoadError().getCause().getMessage()).show();  }  });   // create a control panel and add the label and button UI components  HBox controlsHBox = new HBox();  controlsHBox.setBackground(new Background(new BackgroundFill(Paint.valueOf("rgba(0,0,0,0.3)"), CornerRadii.EMPTY, Insets.EMPTY)));  controlsHBox.setPadding(new Insets(10.0));  controlsHBox.setAlignment(Pos.CENTER);  controlsHBox.setMaxSize(210, 50);  controlsHBox.getStyleClass().add("panel-region");  controlsHBox.getChildren().addAll(trackingLabel, trackingButton);   // add the map view and control panel to the stack pane  stackPane.getChildren().addAll(mapView, controlsHBox);  StackPane.setAlignment(controlsHBox, Pos.TOP_LEFT);  StackPane.setMargin(controlsHBox, new Insets(10, 0, 0, 10));   } catch (Exception e) {  // on any error, display the stack trace.  e.printStackTrace();  }  }   /**  * Stops and releases all resources used in application.  */  @Override  public void stop() {   if (mapView != null) {  mapView.dispose();  }  }   /**  * Opens and runs application.  *  * @param args arguments passed to this application  */  public static void main(String[] args) {   Application.launch(args);  } }