OssSystem（OA系统图书管理简单版），应用程序编程源码，很好的参考资料。-OssSystem (OA system a simple library management version), application programming source code, a good reference.

一个能运行在手机上的简单的图书管理系统，能够添加，修改，删除你输入的信息。使用了轻量级的数据库技术-One can run on a mobile phone on a simple library management system, can add, modify, delete the information you ve entered. Use a lightweight database technology

图书管理de的简单小程序，具有添加、修改、删除图书的功能。-Library management: add, modify, delete Books

OA 图书管理的简单安卓小程序，提供初学者学习的机会-OA library management of the simple procedure for beginners to learn the opportunity to provide