/* Copyright 2016 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.uniquevaluerenderer;
import java.util.ArrayList;
import java.util.List;
import android.graphics.Color;
import android.os.Bundle;
import androidx.appcompat.app.AppCompatActivity;
import com.esri.arcgisruntime.ArcGISRuntimeEnvironment;
import com.esri.arcgisruntime.data.ServiceFeatureTable;
import com.esri.arcgisruntime.geometry.Envelope;
import com.esri.arcgisruntime.geometry.SpatialReferences;
import com.esri.arcgisruntime.layers.FeatureLayer;
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.UniqueValueRenderer;
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);
// create a map with the topographic basemap
ArcGISMap map = new ArcGISMap(BasemapStyle.ARCGIS_TOPOGRAPHIC);
//[DocRef: Name=Unique Value Renderer, Topic=Symbols and Renderers, Category=Fundamentals]
// Create service feature table
ServiceFeatureTable serviceFeatureTable = new ServiceFeatureTable(
getResources().getString(R.string.sample_service_url));
// Create the feature layer using the service feature table
FeatureLayer featureLayer = new FeatureLayer(serviceFeatureTable);
// Override the renderer of the feature layer with a new unique value renderer
UniqueValueRenderer uniqueValueRenderer = new UniqueValueRenderer();
// Set the field to use for the unique values
uniqueValueRenderer.getFieldNames().add(
"STATE_ABBR"); //You can add multiple fields to be used for the renderer in the form of a list, in this case
// we are only adding a single field
// Create the symbols to be used in the renderer
SimpleFillSymbol defaultFillSymbol = new SimpleFillSymbol(SimpleFillSymbol.Style.NULL, Color.BLACK,
new SimpleLineSymbol(SimpleLineSymbol.Style.SOLID, Color.GRAY, 2));
SimpleFillSymbol californiaFillSymbol = new SimpleFillSymbol(SimpleFillSymbol.Style.SOLID, Color.RED,
new SimpleLineSymbol(SimpleLineSymbol.Style.SOLID, Color.RED, 2));
SimpleFillSymbol arizonaFillSymbol = new SimpleFillSymbol(SimpleFillSymbol.Style.SOLID, Color.GREEN,
new SimpleLineSymbol(SimpleLineSymbol.Style.SOLID, Color.GREEN, 2));
SimpleFillSymbol nevadaFillSymbol = new SimpleFillSymbol(SimpleFillSymbol.Style.SOLID, Color.BLUE,
new SimpleLineSymbol(SimpleLineSymbol.Style.SOLID, Color.BLUE, 2));
// Set default symbol
uniqueValueRenderer.setDefaultSymbol(defaultFillSymbol);
uniqueValueRenderer.setDefaultLabel("Other");
// Set value for california
List<Object> californiaValue = new ArrayList<>();
// You add values associated with fields set on the unique value renderer.
// If there are multiple values, they should be set in the same order as the fields are set
californiaValue.add("CA");
uniqueValueRenderer.getUniqueValues().add(
new UniqueValueRenderer.UniqueValue("California", "State of California", californiaFillSymbol,
californiaValue));
// Set value for arizona
List<Object> arizonaValue = new ArrayList<>();
// You add values associated with fields set on the unique value renderer.
// If there are multiple values, they should be set in the same order as the fields are set
arizonaValue.add("AZ");
uniqueValueRenderer.getUniqueValues()
.add(new UniqueValueRenderer.UniqueValue("Arizona", "State of Arizona", arizonaFillSymbol, arizonaValue));
// Set value for nevada
List<Object> nevadaValue = new ArrayList<>();
// You add values associated with fields set on the unique value renderer.
// If there are multiple values, they should be set in the same order as the fields are set
nevadaValue.add("NV");
uniqueValueRenderer.getUniqueValues()
.add(new UniqueValueRenderer.UniqueValue("Nevada", "State of Nevada", nevadaFillSymbol, nevadaValue));
// Set the renderer on the feature layer
featureLayer.setRenderer(uniqueValueRenderer);
//[DocRef: END]
// add the layer to the map
map.getOperationalLayers().add(featureLayer);
// set the map to be displayed in the map view
mMapView.setMap(map);
mMapView.setViewpoint(new Viewpoint(
new Envelope(-13893029.0, 3573174.0, -12038972.0, 5309823.0, SpatialReferences.getWebMercator())));
}
@Override
protected void onPause() {
super.onPause();
// pause MapView
mMapView.pause();
}
@Override
protected void onResume() {
super.onResume();
// resume MapView
mMapView.resume();
}
@Override
protected void onDestroy() {
super.onDestroy();
// dispose MapView
mMapView.dispose();
}
}