ParallelExecutorCompat.java revision 3ac77bf186f87ecad4bf0063b2f6c4384efbd56a
1/* 2 * Copyright (C) 2015 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 17package android.support.v4.content; 18 19import android.os.Build; 20 21import java.util.concurrent.Executor; 22 23/** 24 * Helper for accessing a shared parallel Executor instance 25 * introduced after API level 4 in a backwards compatible fashion. 26 */ 27public final class ParallelExecutorCompat { 28 public static Executor getParallelExecutor() { 29 if (Build.VERSION.SDK_INT >= 11) { 30 // From API 11 onwards, return AsyncTask.THREAD_POOL_EXECUTOR 31 return ExecutorCompatHoneycomb.getParallelExecutor(); 32 } else { 33 return ModernAsyncTask.THREAD_POOL_EXECUTOR; 34 } 35 } 36 37 private ParallelExecutorCompat() {} 38} 39