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一款自已写的MP3播放器，通过他你可以学到android 媒体播放、多线程方面的知识(A from already write MP3 player, through him you can learn android media player, multithreading aspects of knowledge)

集成化的android页面特效。 包括九宫解锁，翻页特效，水波特效，旗帜特效，多种页面切换特效，等等。 非常值得收藏借鉴学习

gps 接收程序框架。。含有tcp。udp的封装 AbstractGPRSReceiver.java GprsStreamParserAdapter.java IGprsReceiver.java IGprsStreamParser.java PerceptionMessageCreator.java ReceiverController.java TcpConnection.java TCPGPRSReceiver.java UDPGPRSReceiver.java

Rules::The AsyncTask instance must be created in UI thread. .execute must be invoked on the UI thread.Never call  objMyTask.onPreExecute(), objMyTask.doInBackground(), objMyTask.onProgressUpdate(),  objMyTask.onPostExecute manually.The AsyncTask can be executed only once (an exception will be thrown if a second execution is attempted.)AsyncTask have Four Main Method... onPreExecute()  doInBackground() onProgressUpdate() onPostExecute()  onPreExecute-This method is called first when you start AsyncTask using objAsync.execute().And mostly this method is use for initializing dialog(ProgressDialog,CustomDialog) and showing. doInBackground-The main purpose of AsyncTask is accomplished by this method.Any non-UI thread process is running in this method.Such as Rss Feed Reader,Image and video Uploading and Downloading.You cant handle your View in this method.Because this method is non-UI thread.While any background process is running if you want to handle UI therea are  onProgressUpdate method. after completion of process this method send result to OnPostExecute. onProgressUpdate-While backgrounding task is running ,you can handle your UI using this method .Such as status of downloading or uploading task.and this method is called from  doInBackground.Using publishProgress() you can call onProgressUpdate method to update UI while process is running. onPostExecute -This method is called after the background computation finishes.The result of background process in passed in this method as parameters.And now you can dismiss progress dialog ,to indicate that background task is completed. You can cancel AsyncTask using objAsyncTask.cancel().then you just check in doInBackground, if (isCancelled()) { break; } else {        //continue... } See this Image For more Clear.

Cert Path Validator Source Code for Andriod.

获取视频Vimeo并获取链接视频更改和类别Vimeo获取视频Vimeo并获取链接视频更改和类别Vimeo获取视频Vimeo并获取链接视频更改和类别Vimeo

这是一种使用距离测量数据点之间的相似度计算方法的聚类算法

SSD1的示例程序配套代码包，Alife水生物仿真程序，包括仿真程序源码与class文件，以及配套素材文件。。

Android 封装弹框，对话框(Android Package bomb box, dialog box)

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