财务通管理小软件

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与任何设备具有蓝牙连接的应用程序

Android Java 通过蓝牙接受数据，画出无线心电图 (ECG analysis software, including a QRS detector algorithm. The algorithm here, designed to detect the QRS complexes in the electrocardiogram using by Pan J and Tompkins WJ. A Real-Time QRS Detection Algorithm.)

Android 的 XML 解析是另一种方法从给定的 url 访问 xml 数据和显示您的 url 的所有字段。

斗地主游戏。非常简单、可以用，但是有bug 可以做简单的参考学习

百度地图api实例代码，无须申请appkey即可使用

ListView 控件可使用四种不同视图显示项目。通过此控件，可将项目组成带有或不带有列标头的列，并显示伴随的图标和文本。 可使用 ListView 控件将称作 ListItem 对象的列表条目组织成下列四种不同的视图之一:1.大(标准)图标2.小图标3.列表4.报表 View 属性决定在列表中控件使用何种视图显示项目。还可用 LabelWrap 属性控制列表中与项目关联的标签是否可换行显示。另外，还可管理列表中项目的排序方法和选定项目的外观。

android小游戏，迷宫小球，初学游戏编程的同学可以看一看(android games, maze ball, game programming beginner students can take a look)

HTTP OPTIONS method Source Code for Andriod.

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.