Android單例線程池

標籤：

package com.jredu.schooltong.manager;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class ExecutorManager {
// 1.私人建構函式，提供靜態變數用以儲存，提供靜態方法
private ExecutorManager() {
init();

}

// 靜態變數
private static ExecutorManager instance;

// 靜態方法
public static ExecutorManager getInstance() {

if (instance == null) {
//加鎖
synchronized (ExecutorManager.class) {
if (instance == null) {
instance = new ExecutorManager();
}
}
}
return instance;
}

// 運用單例模式，保證只能夠被執行個體化一次
// 這個類就能應用到其他APP中了
private ExecutorService executorService;

// 初始化線程池
private void init() {
int threadCount = Runtime.getRuntime().availableProcessors() * 2 + 1;
executorService = Executors
.newFixedThreadPool(Math.min(threadCount, 8));

}
public ExecutorService getExecutor(){
return this.executorService;
}
public void execute(Runnable runnable){
this.executorService.execute(runnable);
}

}

Android單例線程池