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Open map (URL)

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Display a web map.

Image of open map URL

Use case

For displaying web maps stored on ArcGIS Online.

How to use the sample

A web map can be selected from the drop-down list. On selection the web map displays in the map view.

How it works

  1. Create a Portal.
  2. Create a PortalItem using the Portal and the web map ID: new PortalItem(portal, ID).
  3. Create a ArcGISMap using the portal item.
  4. Set the map to the MapView.

Relevant API

  • ArcGISMap
  • MapView
  • Portal
  • PortalItem

About the data

The web maps accessed by this sample show Recent Hurricanes, Cyclones and Typhoons and Geology for United States.

Tags

portal item, web map

Sample Code

OpenMapURLSample.java
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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 /*  * Copyright 2017 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.open_map_url;  import java.util.List; import java.util.stream.Collectors; import java.util.stream.Stream;  import javafx.application.Application; import javafx.geometry.Insets; import javafx.geometry.Pos; import javafx.scene.Scene; import javafx.scene.control.ComboBox; import javafx.scene.control.ListCell; import javafx.scene.layout.StackPane; import javafx.stage.Stage; import javafx.util.StringConverter;  import com.esri.arcgisruntime.mapping.ArcGISMap; import com.esri.arcgisruntime.mapping.view.MapView; import com.esri.arcgisruntime.portal.Portal; import com.esri.arcgisruntime.portal.PortalItem;  public class OpenMapURLSample extends Application {   private MapView mapView;  private List<ArcGISMap> webMaps; // keep loadable in scope to avoid garbage collection   private static final String[] portalItemIDs = new String[] {  "92ad152b9da94dee89b9e387dfe21acd", "064f2e898b094a17b84e4a4cd5e5f549"  };   @Override  public void start(Stage stage) {   // 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("Open Map URL Sample");  stage.setWidth(800);  stage.setHeight(700);  stage.setScene(scene);  stage.show();   // create a map view  mapView = new MapView();   // create a combo box to list maps  ComboBox<ArcGISMap> webMapComboBox = new ComboBox<>();   // create maps using portal item IDs  Portal portal = new Portal("http://www.arcgis.com/");  webMaps = Stream.of(portalItemIDs)  .map(id -> new PortalItem(portal, id))  .map(ArcGISMap::new)  .collect(Collectors.toList());   // load maps and add to combo box  webMaps.forEach(map -> {  map.getItem().loadAsync();  map.getItem().addDoneLoadingListener(() -> webMapComboBox.getItems().add(map));  });   // listener to switch the map when the selected map changes  webMapComboBox.getSelectionModel().selectedItemProperty().addListener(e -> {  ArcGISMap webMap = webMapComboBox.getSelectionModel().getSelectedItem();  mapView.setMap(webMap);  });   // show the name of the map in the combo box  webMapComboBox.setConverter(new StringConverter<>() {   @Override  public String toString(ArcGISMap map) {  return map != null ? map.getItem().getTitle() : "";  }   @Override  public ArcGISMap fromString(String string) {  return null; //not needed  }  });   webMapComboBox.setCellFactory(comboBox -> new ListCell<>() {   @Override  protected void updateItem(ArcGISMap map, boolean empty) {  super.updateItem(map, empty);  setText(empty ? "" : map.getItem().getTitle());  }  });   // select the web map loaded first  webMaps.get(0).getItem().addDoneLoadingListener(() -> webMapComboBox.getSelectionModel().select(0));   // add the map view and flow panel to stack pane  stackPane.getChildren().addAll(mapView, webMapComboBox);  StackPane.setAlignment(webMapComboBox, Pos.TOP_LEFT);  StackPane.setMargin(webMapComboBox, new Insets(10, 0, 0, 10));  }   /**  * 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);  }  }

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