java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()
程式跑出了
java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()
這是因為先使用了一個Thread 執行，進入非主線程之後
又在非主線程的Thread產生 new Handler().postDelayed 則就產生這樣的錯誤問題。
