Timer === ```java= new Handler().postDelayed( new Runnable() { @Override public void run() { // do something } }, 500 ); ``` ## Ref. [TimeTask計時器使用](https://kk665403.pixnet.net/blog/post/403772696) [在 Android 使用 Timer](https://ascii-iicsa.blogspot.com/2010/10/androidtimer.html) [Android:定时器Timer的停止和重启实现](https://blog.csdn.net/ningzhimeng/article/details/76471532) ###### tags: `實作相關`