/* 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.statisticalquerygroupandsort; import java.util.LinkedHashMap; import java.util.List; import android.os.Bundle; import androidx.annotation.Nullable; import androidx.appcompat.app.AppCompatActivity; import android.widget.ExpandableListAdapter; import android.widget.ExpandableListView; import com.google.gson.Gson; import com.google.gson.reflect.TypeToken; /** * Gets results from the main activity through an Intent extra, converts the results to a LinkedHashMap, and creates an * ExpandableListView to display the results. */ public class ResultsActivity extends AppCompatActivity { public static String results = ""; @Override protected void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.results_expandablelistview); Gson gson = new Gson(); LinkedHashMap<String, List<String>> groupedStatistics = gson .fromJson(results, new ResultsActivity.LinkedHashMapTypeToken().getType()); // create expandable list view ExpandableListView expandableListView = findViewById(R.id.expandableListView); ExpandableListAdapter expandableListAdapter = new ExpandableListViewAdapter(this, groupedStatistics); expandableListView.setAdapter(expandableListAdapter); // expand the first group by default expandableListView.expandGroup(0); } private static class LinkedHashMapTypeToken extends TypeToken<LinkedHashMap<String, List<String>>> { } }