/*
* 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.changesublayerrenderer;
import java.util.Arrays;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.widget.Button;
import androidx.appcompat.app.AppCompatActivity;
import com.esri.arcgisruntime.ArcGISRuntimeEnvironment;
import com.esri.arcgisruntime.layers.ArcGISMapImageLayer;
import com.esri.arcgisruntime.layers.ArcGISMapImageSublayer;
import com.esri.arcgisruntime.layers.SublayerList;
import com.esri.arcgisruntime.loadable.LoadStatus;
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.ClassBreaksRenderer;
import com.esri.arcgisruntime.symbology.ClassBreaksRenderer.ClassBreak;
import com.esri.arcgisruntime.symbology.SimpleFillSymbol;
import com.esri.arcgisruntime.symbology.SimpleLineSymbol;
public class MainActivity extends AppCompatActivity {
private static final String TAG = MainActivity.class.getSimpleName();
private MapView mMapView;
private ArcGISMapImageSublayer countiesSublayer;
@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 a BasemapType STREETS
ArcGISMap map = new ArcGISMap(BasemapStyle.ARCGIS_STREETS);
// set the map to be displayed in this view
mMapView.setMap(map);
mMapView.setViewpoint(new Viewpoint(48.354406, -99.998267, 7500.0));
// create button to apply the render
Button renderButton = findViewById(R.id.applyRenderer);
// create map image layer from a service URL
final ArcGISMapImageLayer imageLayer = new ArcGISMapImageLayer(getString(R.string.census_map_server));
// load the layer and find one of its sublayers
imageLayer.addDoneLoadingListener(() -> {
if(imageLayer.getLoadStatus() == LoadStatus.LOADED){
// zoom to the image layers extent
mMapView.setViewpointGeometryAsync(imageLayer.getFullExtent());
// get the sublayers from the map image layer
SublayerList sublayers = imageLayer.getSublayers();
countiesSublayer = (ArcGISMapImageSublayer) sublayers.get(2);
} else {
Log.e(TAG,imageLayer.getLoadError().getMessage());
}
});
// add the layer to the map
map.getOperationalLayers().add(imageLayer);
// create a class breaks renderer to switch to
final ClassBreaksRenderer classBreaksRenderer = createPopulationClassBreaksRenderer();
// set the renderer on the counties sublayer when the button is pressed
renderButton.setOnClickListener(v -> countiesSublayer.setRenderer(classBreaksRenderer));
}
/**
* Creates a class breaks renderer for 5 ranges of populations.
*
* @return class breaks renderer
*/
private static ClassBreaksRenderer createPopulationClassBreaksRenderer() {
// create colors
final int gray = Color.rgb(153, 153, 153);
final int blue1 = Color.rgb(226, 234, 206);
final int blue2 = Color.rgb(150, 193, 191);
final int blue3 = Color.rgb(96 , 165, 181);
final int blue4 = Color.rgb(68 , 124, 150);
final int blue5 = Color.rgb(40 , 84 , 119);
// create 5 fill symbols with different shades of blue and a gray outline
SimpleLineSymbol outline = new SimpleLineSymbol(SimpleLineSymbol.Style.SOLID, gray, 1);
SimpleFillSymbol classSymbol1 = new SimpleFillSymbol(SimpleFillSymbol.Style.SOLID, blue1, outline);
SimpleFillSymbol classSymbol2 = new SimpleFillSymbol(SimpleFillSymbol.Style.SOLID, blue2, outline);
SimpleFillSymbol classSymbol3 = new SimpleFillSymbol(SimpleFillSymbol.Style.SOLID, blue3, outline);
SimpleFillSymbol classSymbol4 = new SimpleFillSymbol(SimpleFillSymbol.Style.SOLID, blue4, outline);
SimpleFillSymbol classSymbol5 = new SimpleFillSymbol(SimpleFillSymbol.Style.SOLID, blue5, outline);
// create 5 classes for different population ranges
ClassBreak classBreak1 = new ClassBreak("-99 to 8560", "-99 to 8560", -99,
8560, classSymbol1);
ClassBreak classBreak2 = new ClassBreak("> 8,560 to 18,109", "> 8,560 to 18,109", 8560,
18109, classSymbol2);
ClassBreak classBreak3 = new ClassBreak("> 18,109 to 35,501", "> 18,109 to 35,501", 18109,
35501, classSymbol3);
ClassBreak classBreak4 = new ClassBreak("> 35,501 to 86,100", "> 35,501 to 86,100", 35501,
86100, classSymbol4);
ClassBreak classBreak5 = new ClassBreak("> 86,100 to 10,110,975", "> 86,100 to 10,110,975", 86100,
10110975, classSymbol5);
// create the renderer for the POP2007 field
return new ClassBreaksRenderer("POP2007", Arrays.asList(classBreak1, classBreak2, classBreak3, classBreak4,
classBreak5));
}
}