循迹小车，PDI算法，三种控制方式

Android中不同语言的切换功能，比如英文和越南文之间的切换。UI界面上的文字随着语言的切换就改变为相应的文字(Android different language switching functions, such as switching between English and Vietnamese. UI interface on the text with the language switch is changed to the corresponding text)

View Group_ Margin Layout Params Test extends Android Test Case.

百度地图的路线规划

动态变化的数字

android聊天软件界面 简洁 省的实现(android chat software)

说明：  手机音乐播放器是一种在手机上用于播放各种音乐文件的多媒体播放软件。它涵盖了各种音乐格式的播放工具，比如：手机自带播放器、MP3播放器，WMA播放器，MP4播放器等，目前手机音乐播放器主要支持的格式有MP3、WMA、AAC、AAC+、MID、AMR、OGG、MP4、FLAC等，它们在手机中运行，不仅界面美观，而且操作简单，带你进入一个完美的音乐空间。(A mobile music player is a multimedia playing software for playing various music files on a mobile phone. It covers a variety of music format playback tools, such as: mobile phone player, MP3 player, WMA player, MP4 player, etc. Currently mobile phone music player mainly supports MP3, WMA, AAC, AAC+, MID, AMR, OGG, MP4, FLAC, etc., they run in the mobile phone, not only the interface is beautiful, but also easy to operate, bringing you into a perfect music space.)

该代码使用Java开发，应用于Android手机的，可以音乐播放。(The code uses the Java development, applied to Android phones can play music.)

圆角矩形UI、带表情的输入、PopUpWindow演示

说明：  Android程序设计基础，用户界面开发(Android programming based user interface development)

基于android手机的远程视频监控系统 有安卓手机端和pc服务器端 可以通过网络将手机摄像头捕捉到的数据传送到pc端以图片显示(Andrews mobile terminal and PC server-side remote video surveillance system based on android phone through the network to the mobile phone camera to capture the data transfer to the pc end display pictures)