中文摘要：

近年来，随着互联网和电子商务的蓬勃发展，闲置物品交易市场也如雨后春笋般迅速发展，但是手机端闲置物品交易系统相对较少且功能不全，无法满足消费者日益提高的服务需求。本系统为解决该问题而开发设计了基于Android平台的闲置物品交易平台。通过Android所提供的软件开发工具包，在Eclipse开发环境中来完成移动客户端的闲置物品交易系统，该系统实现的主要功能包括：账户管理、分类市场管理以及个人信息管理等。客户端主要包括了四个模块：账号管理模块、个人中心模块、市场模块、地图功能模块，以及一些子模块来支撑内部的业务逻辑。本系统已经进行了部署和测试，所有的功能也都基本达到预期的效果，具有较好的实用性及发展前景。

英文摘要：

In recent years, with the vigorous development of the Internet and e-commerce, idle goods market has developed rapidy,but idle goods trading system on the mobile phone end is relatively small and functions in sufficiently,unable to meet the increasing consumer demand. In order to solve this prob-lem,the platform of idle goods trading based on Android platform was designed and developed. Through the software development kit provided by Android, the mobile client′s idle goods transaction system is completed in the Eclipse development environment.The main functions of the system include account man-agement,classified market management and personal information management,etc. The client mainly in-cludes four modules：account management module,personal center module,market module,map function module,and some sub-modules to support the internal business logic.This system has been deployed and tested,and all functions have basically achieved the desired effect, with good practicality and develop-ment prospects.