0822

1.平分佈局
https://stackoverflow.com/questions/4961355/percentage-width-in-a-relativelayout

2.
Timer 的 schedule()方法
https://blog.csdn.net/tiancizhenai/article/details/7050302

3.Android 定時任務的多種實現方式
https://blog.csdn.net/u014492609/article/details/51475254

Android計時器，實現隔幾秒執行一次需求
https://blog.csdn.net/qq_31450487/article/details/73614251

4.Android 控件顯示在最上層的方法
https://blog.csdn.net/qq_36773157/article/details/73565018

崩潰：
08-23 03:28:40.462 27785 27785 D AndroidRuntime: Shutting down VM
--------- beginning of crash
08-23 03:28:40.465 27785 27785 E AndroidRuntime: FATAL EXCEPTION: main
08-23 03:28:40.465 27785 27785 E AndroidRuntime: Process: com.example.fake_hago_2, PID: 27785
08-23 03:28:40.465 27785 27785 E AndroidRuntime: java.lang.IllegalStateException: Timer already cancelled.
08-23 03:28:40.465 27785 27785 E AndroidRuntime: at java.util.Timer.sched(Timer.java:397)
08-23 03:28:40.465 27785 27785 E AndroidRuntime: at java.util.Timer.scheduleAtFixedRate(Timer.java:328)
08-23 03:28:40.465 27785 27785 E AndroidRuntime: at com.example.fake_hago_2.view.FlashAvaterView$2.onClick(FlashAvaterView.java:81)
08-23 03:28:40.465 27785 27785 E AndroidRuntime: at android.view.View.performClick(View.java:6256)
08-23 03:28:40.465 27785 27785 E AndroidRuntime: at android.view.View$PerformClick.run(View.java:24697)
08-23 03:28:40.465 27785 27785 E AndroidRuntime: at android.os.Handler.handleCallback(Handler.java:789)
08-23 03:28:40.465 27785 27785 E AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:98)
08-23 03:28:40.465 27785 27785 E AndroidRuntime: at android.os.Looper.loop(Looper.java:164)
08-23 03:28:40.465 27785 27785 E AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:6541)

 

Timer類中的"Timer already cancelled."
說一個能夠排查的點，就是timer在執行任務的過程當中若是拋出了RuntimeException，而且接着又去執行另外一個新任務時，會認定定時器已經取消，產生這個異常，因此能夠在定時任務之間排查是否有異常拋出。

 

一篇博客理解Recyclerview的使用 - CSDN博客
https://blog.csdn.net/u012124438/article/details/53495951

防止錯亂！！！！
https://www.2cto.com/kf/201607/522038.html

使用recyclerview實現倒計時

使用recyclerview錯亂

 

https://blog.csdn.net/lichongya/article/details/51484863

https://www.2cto.com/kf/201607/522038.html

https://www.zhihu.com/question/38161013