new Thread(new Runnable(){public void run(){ Thread.sleep(XXXX); handler.sendMessage(); //告诉主线程执行任务} }).start二、利用定时器imerTask task = new TimerTask(){public void run(){//execute the task } }; Timer timer = new Timer();timer.schedule(task, delay); 三、消息处理方式实new Handler().postDelayed(new Runnable(){public void run() {//execute the task}}, delay); 四、利用AlarmManager,特点时刻广播指定意图 实现。