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Feature Layer GeoPackage


 * 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
 * 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.featurelayers.feature_layer_geopackage;

import java.util.List;

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.Alert;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;

import com.esri.arcgisruntime.layers.FeatureLayer;
import com.esri.arcgisruntime.loadable.LoadStatus;
import com.esri.arcgisruntime.mapping.ArcGISMap;
import com.esri.arcgisruntime.mapping.Basemap;
import com.esri.arcgisruntime.mapping.Viewpoint;
import com.esri.arcgisruntime.mapping.view.MapView;

public class FeatureLayerGeoPackageSample extends Application {

  private MapView mapView;

  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("Feature Layer GeoPackage Sample");

      // create a map with the streets vector basemap
      ArcGISMap map = new ArcGISMap(Basemap.createStreetsVector());

      // create a GeoPackage from a local gpkg file
      File geoPackageFile = new File("./samples-data/auroraCO/AuroraCO.gpkg");
      GeoPackage geoPackage = new GeoPackage(geoPackageFile.getAbsolutePath());

      // create a feature layer from the first feature table in the gpkg
      geoPackage.addDoneLoadingListener(() -> {
        if (geoPackage.getLoadStatus() == LoadStatus.LOADED) {
          List<GeoPackageFeatureTable> featureTables = geoPackage.getGeoPackageFeatureTables();
          if (featureTables.size() > 0) {
            FeatureLayer featureLayer = new FeatureLayer(featureTables.get(0));
            // zoom to the layer
            featureLayer.addDoneLoadingListener(() ->
              mapView.setViewpointAsync(new Viewpoint(featureLayer.getFullExtent()))
        } else {
          Alert alert = new Alert(Alert.AlertType.ERROR, geoPackage.getLoadError().getMessage());

      // set the map to be displayed in this view
      mapView = new MapView();

      // add the map view to stack pane

    } catch (Exception e) {
      // on any error, display the stack trace.

   * Stops and releases all resources used in application.
  public void stop() {

    if (mapView != null) {

   * Opens and runs application.
   * @param args arguments passed to this application
  public static void main(String[] args) {



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