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/* Copyright 2018 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.arcgisruntime.sample.featurecollectionlayer;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import android.os.Bundle;
import androidx.appcompat.app.AppCompatActivity;
import com.esri.arcgisruntime.ArcGISRuntimeEnvironment;
import com.esri.arcgisruntime.data.Feature;
import com.esri.arcgisruntime.data.FeatureCollection;
import com.esri.arcgisruntime.data.FeatureCollectionTable;
import com.esri.arcgisruntime.data.Field;
import com.esri.arcgisruntime.geometry.GeometryType;
import com.esri.arcgisruntime.geometry.Point;
import com.esri.arcgisruntime.geometry.PolygonBuilder;
import com.esri.arcgisruntime.geometry.PolylineBuilder;
import com.esri.arcgisruntime.geometry.SpatialReferences;
import com.esri.arcgisruntime.layers.FeatureCollectionLayer;
import com.esri.arcgisruntime.mapping.ArcGISMap;
import com.esri.arcgisruntime.mapping.BasemapStyle;
import com.esri.arcgisruntime.mapping.Viewpoint;
import com.esri.arcgisruntime.mapping.view.MapView;
import com.esri.arcgisruntime.symbology.SimpleFillSymbol;
import com.esri.arcgisruntime.symbology.SimpleLineSymbol;
import com.esri.arcgisruntime.symbology.SimpleMarkerSymbol;
import com.esri.arcgisruntime.symbology.SimpleRenderer;
public class MainActivity extends AppCompatActivity {
private MapView mMapView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// authentication with an API key or named user is required to access basemaps and other
// location services
ArcGISRuntimeEnvironment.setApiKey(BuildConfig.API_KEY);
// inflate MapView from layout
mMapView = findViewById(R.id.mapView);
// initialize map with basemap
ArcGISMap map = new ArcGISMap(BasemapStyle.ARCGIS_OCEANS);
// assign map to the map view
mMapView.setMap(map);
mMapView.setViewpoint(new Viewpoint( 8.5844, -79.6597, 2000000));
// create feature collection and add to the map as a layer
FeatureCollection featureCollection = new FeatureCollection();
FeatureCollectionLayer featureCollectionLayer = new FeatureCollectionLayer(featureCollection);
map.getOperationalLayers().add(featureCollectionLayer);
// add point, line, and polygon geometry to feature collection
createPointTable(featureCollection);
createPolylineTable(featureCollection);
createPolygonTables(featureCollection);
}
/**
* Creates a Point Feature Collection Table with one Point and adds it to the Feature collection that was passed.
*
* @param featureCollection that the point Feature Collection Table will be added to
*/
private void createPointTable(FeatureCollection featureCollection) {
// defines the schema for the geometry's attribute
List<Field> pointFields = new ArrayList<>();
pointFields.add(Field.createString("Place", "Place Name", 50));
// a feature collection table that creates point geometry
FeatureCollectionTable pointsTable = new FeatureCollectionTable(pointFields, GeometryType.POINT, SpatialReferences.getWgs84());
// set a default symbol for features in the collection table
SimpleMarkerSymbol markerSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbol.Style.TRIANGLE, 0xFFFF0000, 18);
SimpleRenderer renderer = new SimpleRenderer(markerSymbol);
pointsTable.setRenderer(renderer);
// add feature collection table to feature collection
featureCollection.getTables().add(pointsTable);
// create feature using the collection table by passing an attribute and geometry
Map<String, Object> attributes = new HashMap<>();
attributes.put(pointFields.get(0).getName(), "Current Location");
Point point = new Point(-79.497238, 8.849289, SpatialReferences.getWgs84());
Feature addedFeature = pointsTable.createFeature(attributes, point);
// add feature to collection table
pointsTable.addFeatureAsync(addedFeature);
}
/**
* Creates a PolyLine Feature Collection Table with one PolyLine and adds it to the Feature collection that was passed.
*
* @param featureCollection that the polyline Feature Collection Table will be added to
*/
private void createPolylineTable(FeatureCollection featureCollection) {
// defines the schema for the geometry's attribute
List<Field> polylineFields = new ArrayList<>();
polylineFields.add(Field.createString("Boundary", "Boundary Name", 50));
// a feature collection table that creates polyline geometry
FeatureCollectionTable polylineTable = new FeatureCollectionTable(polylineFields, GeometryType.POLYLINE, SpatialReferences.getWgs84());
// set a default symbol for features in the collection table
SimpleLineSymbol lineSymbol = new SimpleLineSymbol(SimpleLineSymbol.Style.DASH, 0xFF00FF00, 3);
SimpleRenderer renderer = new SimpleRenderer(lineSymbol);
polylineTable.setRenderer(renderer);
// add feature collection table to feature collection
featureCollection.getTables().add(polylineTable);
// create feature using the collection table by passing an attribute and geometry
Map<String, Object> attributes = new HashMap<>();
attributes.put(polylineFields.get(0).getName(), "AManAPlanACanalPanama");
PolylineBuilder builder = new PolylineBuilder(SpatialReferences.getWgs84());
builder.addPoint(new Point(-79.497238, 8.849289));
builder.addPoint(new Point(-80.035568, 9.432302));
Feature addedFeature = polylineTable.createFeature(attributes, builder.toGeometry());
// add feature to collection table
polylineTable.addFeatureAsync(addedFeature);
}
/**
* Creates a Polygon Feature Collection Table with one Polygon and adds it to the Feature collection that was passed.
*
* @param featureCollection that the polygon Feature Collection Table will be added to
*/
private void createPolygonTables(FeatureCollection featureCollection) {
// defines the schema for the geometry's attribute
List<Field> polygonFields = new ArrayList<>();
polygonFields.add(Field.createString("Area", "Area Name", 50));
// a feature collection table that creates polygon geometry
FeatureCollectionTable polygonTable = new FeatureCollectionTable(polygonFields, GeometryType.POLYGON, SpatialReferences.getWgs84());
// set a default symbol for features in the collection table
SimpleLineSymbol lineSymbol = new SimpleLineSymbol(SimpleLineSymbol.Style.SOLID, 0xFF0000FF, 2);
SimpleFillSymbol fillSymbol = new SimpleFillSymbol(SimpleFillSymbol.Style.DIAGONAL_CROSS, 0xFF00FFFF, lineSymbol);
SimpleRenderer renderer = new SimpleRenderer(fillSymbol);
polygonTable.setRenderer(renderer);
// add feature collection table to feature collection
featureCollection.getTables().add(polygonTable);
// create feature using the collection table by passing an attribute and geometry
Map<String, Object> attributes = new HashMap<>();
attributes.put(polygonFields.get(0).getName(), "Restricted area");
PolygonBuilder builder = new PolygonBuilder(SpatialReferences.getWgs84());
builder.addPoint(new Point(-79.497238, 8.849289));
builder.addPoint(new Point(-79.337936, 8.638903));
builder.addPoint(new Point(-79.11409, 8.895422));
Feature addedFeature = polygonTable.createFeature(attributes, builder.toGeometry());
// add feature to collection table
polygonTable.addFeatureAsync(addedFeature);
}
@Override
protected void onPause() {
mMapView.pause();
super.onPause();
}
@Override
protected void onResume() {
super.onResume();
mMapView.resume();
}
@Override
protected void onDestroy() {
mMapView.dispose();
super.onDestroy();
}
}