1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5 * in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License 10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11 * or implied. See the License for the specific language governing permissions and limitations under 12 * the License. 13 */ 14 package androidx.leanback.widget; 15 16 /** 17 * A PresenterSelector is used to obtain a {@link Presenter} for a given Object. 18 * Similar to {@link Presenter}, PresenterSelector is stateless. 19 */ 20 public abstract class PresenterSelector { 21 /** 22 * Returns a presenter for the given item. 23 */ 24 public abstract Presenter getPresenter(Object item); 25 26 /** 27 * Returns an array of all possible presenters. The returned array should 28 * not be modified. 29 */ 30 public Presenter[] getPresenters() { 31 return null; 32 } 33 } 34
