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/*
* Copyright (C) 2015 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.android.setupwizardlib.items;
import android.content.Context;
/**
* Inflate {@link Item} hierarchies from XML files.
*
* Modified from android.support.v7.preference.PreferenceInflater
*/
public class ItemInflater extends GenericInflater<ItemHierarchy> {
private static final String TAG = "ItemInflater";
public interface ItemParent {
void addChild(ItemHierarchy child);
}
private final Context mContext;
public ItemInflater(Context context) {
super(context);
mContext = context;
setDefaultPackage(Item.class.getPackage().getName() + ".");
}
@Override
public ItemInflater cloneInContext(Context newContext) {
return new ItemInflater(newContext);
}
/**
* Return the context we are running in, for access to resources, class
* loader, etc.
*/
@Override
public Context getContext() {
return mContext;
}
@Override
protected void onAddChildItem(ItemHierarchy parent, ItemHierarchy child) {
if (parent instanceof ItemParent) {
((ItemParent) parent).addChild(child);
} else {
throw new IllegalArgumentException("Cannot add child item to " + parent);
}
}
}
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