| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * 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.example.android.apis.view; |
| |
| import android.app.ExpandableListActivity; |
| import android.os.Bundle; |
| import android.widget.ExpandableListAdapter; |
| import android.widget.SimpleExpandableListAdapter; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| |
| /** |
| * Demonstrates expandable lists backed by a Simple Map-based adapter |
| */ |
| public class ExpandableList3 extends ExpandableListActivity { |
| private static final String NAME = "NAME"; |
| private static final String IS_EVEN = "IS_EVEN"; |
| |
| private ExpandableListAdapter mAdapter; |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| List<Map<String, String>> groupData = new ArrayList<Map<String, String>>(); |
| List<List<Map<String, String>>> childData = new ArrayList<List<Map<String, String>>>(); |
| for (int i = 0; i < 20; i++) { |
| Map<String, String> curGroupMap = new HashMap<String, String>(); |
| groupData.add(curGroupMap); |
| curGroupMap.put(NAME, "Group " + i); |
| curGroupMap.put(IS_EVEN, (i % 2 == 0) ? "This group is even" : "This group is odd"); |
| |
| List<Map<String, String>> children = new ArrayList<Map<String, String>>(); |
| for (int j = 0; j < 15; j++) { |
| Map<String, String> curChildMap = new HashMap<String, String>(); |
| children.add(curChildMap); |
| curChildMap.put(NAME, "Child " + j); |
| curChildMap.put(IS_EVEN, (j % 2 == 0) ? "This child is even" : "This child is odd"); |
| } |
| childData.add(children); |
| } |
| |
| // Set up our adapter |
| mAdapter = new SimpleExpandableListAdapter( |
| this, |
| groupData, |
| android.R.layout.simple_expandable_list_item_1, |
| new String[] { NAME, IS_EVEN }, |
| new int[] { android.R.id.text1, android.R.id.text2 }, |
| childData, |
| android.R.layout.simple_expandable_list_item_2, |
| new String[] { NAME, IS_EVEN }, |
| new int[] { android.R.id.text1, android.R.id.text2 } |
| ); |
| setListAdapter(mAdapter); |
| } |
| |
| } |