1 /*
2  * Copyright (C) 2014 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.tv.settings.widget;
18 
19 import android.view.View;
20 import android.view.ViewGroup;
21 import android.widget.Adapter;
22 
23 /**
24  * The adapter for ScrollAdapterView which supports expanding.
25  */
26 public interface ScrollAdapter extends ScrollAdapterBase {
27 
28     /**
29      * Optional method to be implemented by {@link ScrollAdapter}. Returns the
30      * {@link ScrollAdapterBase} that {@link ScrollAdapterView} will invoke
31      * {@link Adapter#getView(int,View,ViewGroup)} to create an expanded view. Returns null if the
32      * adapter does not want to support expanding.
33      */
getExpandAdapter()34     public ScrollAdapterBase getExpandAdapter();
35 
36 }
37