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