最全代码动画

1.首先，将Slidingmenu源码简化，直接应用在项目中。代码精简2.实现了Slidingmenu滑动界面3.将ViewPager与Fragment结合在一起4.将ListFragment运用到项目中

【实例简介】

安卓手机的手势密码源码，用户可以设置九宫格密码并校验。(gesture password on android)

Android开发精要，带完整标签。详细介绍Android架构、源码下载编译等知识(Android development essence, with a full bookmark)

它是十分有益的那些人想要从基本开始 你开始此类之前，请确保您有您的开发环境设置。您需要： 下载 Android SDK。 （如果你会使用 Eclipse IDE） 为 Eclipse 安装 ADT 插件。 下载最新的 SDK 工具和平台使用 SDK 管理器。 如果你还没有做这些任务，启动下载Android SDK ，以下安装步骤。一旦你已经完成安装程序，你就可以开始此类。

android下几种常用的dialog 对话框

获取当前的股票价格，节省日常的股票价格和汇率等于数据库

说明：  基于安卓的图书馆管理系统，包括jsp服务端源码，安卓客户端源码和mysql数据库。(Android-based library management system, including jsp server source code, Android client source code and mysql database.)

开源Android项目计步器源码，打开软件后，手握手机，可根据你走路时胳膊摆的次数准确测试出你走了多少步，有意思吧，而且这个项目的源码是开源的，分iPhone版和Android版，此为android版的pedometer源代码，有条件的可重新编译运行一下。(Open-source Android project pedometer source, open the software, hand phone, according to the swing arm when you walk out the number of accurately test how many steps you take, it is interesting, and this project' s source code is open source, and the iPhone version of Android version, this version of the pedometer for android source code, conditions can be recompiled to run it.)

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.