1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.widget.cts; 18 19 import android.view.Menu; 20 import android.view.MenuItem; 21 import android.widget.BaseExpandableListAdapter; 22 import android.widget.cts.util.ExpandableListScenario; 23 24 public class ExpandableListBasic extends ExpandableListScenario { 25 private static final int[] CHILD_COUNT = {4, 3, 2, 1, 0}; 26 27 @Override init(ExpandableParams params)28 protected void init(ExpandableParams params) { 29 params.setNumChildren(CHILD_COUNT).setItemScreenSizeFactor(0.14); 30 } 31 32 @Override onCreateOptionsMenu(Menu menu)33 public boolean onCreateOptionsMenu(Menu menu) { 34 menu.add("Add item").setOnMenuItemClickListener((MenuItem item) -> { 35 mGroups.add(0, new MyGroup(2)); 36 if (mAdapter != null) { 37 ((BaseExpandableListAdapter) mAdapter).notifyDataSetChanged(); 38 } 39 return true; 40 }); 41 42 return true; 43 } 44 } 45