【自用】Android中一个简单的计时器,用Handler加Runnable线程实现


private Handler handler = new Handler( );
private Runnable runnable = new Runnable( ) {
    @Override
    public void run ( ) {
        update( );
        handler.postDelayed(this,1000); //每秒执行一次(1000单位为毫秒)
    }
};

//PS:如下
handler.postDelayed(runnable,1000); // 开始Timer
handler.removeCallbacks(runnable);  //停止Timer

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