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 */ 14package androidx.leanback.widget; 15 16/** 17 * A {@link PresenterSelector} that always returns the same {@link Presenter}. 18 * Useful for rows of items of the same type that are all rendered the same way. 19 */ 20public final class SinglePresenterSelector extends PresenterSelector { 21 22 private final Presenter mPresenter; 23 24 /** 25 * @param presenter The Presenter to return for every item. 26 */ 27 public SinglePresenterSelector(Presenter presenter) { 28 mPresenter = presenter; 29 } 30 31 @Override 32 public Presenter getPresenter(Object item) { 33 return mPresenter; 34 } 35 36 @Override 37 public Presenter[] getPresenters() { 38 return new Presenter[]{mPresenter}; 39 } 40} 41