1、使用TimerTask定时开始周期性执行某个动作
scheduleAtFixedRate(TimerTask
task, long delay, long period)
Schedule a task for repeated fixed-rate execution after a specific delay has passed.
Parameters
| task | the task to schedule. |
|---|---|
| delay | amount of time in milliseconds before first execution. |
| period | amount of time in milliseconds between subsequent executions. |
java代码：
//周期性的上传速度
Timer timer = new Timer();
TimerTask timerTask=new TimerTask() {
@Override
public void run() {
// TODO Auto-generated method stub
Log.i(TAG, "平均速度为");
}
};
timer.scheduleAtFixedRate(timerTask, 0, 5000);
}
2、使用Handler
//初始化为了全局使用 Handler handler=null; Runnable update=null; ------------------------------------- try{ handler=new Handler(); update=new Runnable() { @Override public void run() { // TODO Auto-generated method stub // do sth handler.postDelayed(update, 1000); //1秒后将再次调用 } }; handler.post(update); //真正开始的指令； handler.removeCallbacks(update);//停止指令
Done！