Android 通訊

android 進程間通訊方式:  

    Activity  intent

    Content Provider

    廣播（Broadcast） 

    Service

Android實現異步的幾種方法

    1.繼承Thread類

    2.實現Runnable接口

    3.AsyncTask

    4.Handler

    5.Activity.runOnUIThread(Runnable)

    6.View.Post(Runnable)

    7.View.PostDelayed(Runnabe,long)