基于Android的同城物品交易系统设计与实现

Design and Implementation of an Android-based Local Trading System

随着人们生活水平的不断提升,各种物品不断更新换代,越来越多的人对自己换下的旧物品无法作出及时处理.笔者对同城二手物品交易中的用户需求和业务流程做了深入的分析,并将传统的二手交易平台移至移动设备,在应用中加入基于位置服务、GPS等现在非常流行的概念,通过HttpClient技术实现网络数据传输,真正实现了二手物品交易平台移动化,满足了各种用户对二手物品交易的需求.

With the improvement of people's life quality, articles for daily use are updated more frequently and more and more people have the problems of dealing with such obsolete goods. This paper provides an in-depth analysis of the users' needs and business process in local trading of secondhand goods and shifts the conventional trading platforms to mobile devices. Some new concepts, such as LBS, GPS, are also adopted such that the articles can be associated with location in the system and HttpClient is used for network data transmission. The proposed system realizes mobile platforms for secondhand goods trading and can meet the needs of various users.