androi平台下USB的接口程序，便于我们学习android的层次结构-androi Platform USB-interface program to facilitate the hierarchical structure we learn android

Android程序设计基础，用户界面开发-Android programming based user interface development

自制的linux下对一些外设接口的产测软件，在显示上使用Android界面，利用socket中的UDP来实现进程间通信。-Homemade linux some production measured peripheral interface software used on the display Android interface, a UDP socket to achieve inter-process communication.

这是一个在android下进行gpio驱动开发的例子，在这个例子中分别从底层驱动代码到测试程序再到android上的JNI层，然后通过java代码调用APP Framework层的接口实现对开发板上led的控制(This is carried out under a gpio android-driven development example, in this case were driven from the bottom to the android code to the test pr