1/* 2 * Copyright (C) 2015 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 17package com.android.setupwizardlib.items; 18 19import android.content.Context; 20 21/** 22 * Inflate {@link Item} hierarchies from XML files. 23 */ 24public class ItemInflater extends ReflectionInflater<ItemHierarchy> { 25 26 public interface ItemParent { 27 void addChild(ItemHierarchy child); 28 } 29 30 public ItemInflater(Context context) { 31 super(context); 32 setDefaultPackage(Item.class.getPackage().getName() + "."); 33 } 34 35 @Override 36 protected void onAddChildItem(ItemHierarchy parent, ItemHierarchy child) { 37 if (parent instanceof ItemParent) { 38 ((ItemParent) parent).addChild(child); 39 } else { 40 throw new IllegalArgumentException("Cannot add child item to " + parent); 41 } 42 } 43} 44