Java tutorial
//package com.java2s; /* * Copyright (C) 2012 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.os.AsyncTask; import android.os.Build; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.util.concurrent.Executor; public class Main { private static Method sMethodExecuteOnExecutor; private static Executor sExecutor; public static <Param> void executeInParallel(AsyncTask<Param, ?, ?> task, Param... params) { if (Build.VERSION.SDK_INT < 11) { task.execute(params); } else { try { sMethodExecuteOnExecutor.invoke(task, sExecutor, params); } catch (IllegalAccessException e) { throw new RuntimeException(e); } catch (InvocationTargetException e) { throw new RuntimeException(e); } } } }