Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2012 Andrew Neal 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.annotation.SuppressLint;

import android.os.AsyncTask;
import android.os.Build;

import java.lang.ref.WeakReference;

public class Main {
    /**
     * Execute an {@link AsyncTask} on a thread pool
     * 
     * @param forceSerial True to force the task to run in serial order
     * @param task Task to execute
     * @param args Optional arguments to pass to
     *            {@link AsyncTask#execute(Object[])}
     * @param <T> Task argument type
     */
    @SuppressLint("NewApi")
    public static <T> void execute(final boolean forceSerial, final AsyncTask<T, ?, ?> task, final T... args) {
        final WeakReference<AsyncTask<T, ?, ?>> taskReference = new WeakReference<AsyncTask<T, ?, ?>>(task);
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.DONUT) {
            throw new UnsupportedOperationException("This class can only be used on API 4 and newer.");
        }
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB || forceSerial) {
            taskReference.get().execute(args);
        } else {
            taskReference.get().executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, args);
        }
    }
}