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