摘要:This paper introduces the basic functions of the e-commerce system implemented on Android, including user management functions, product search functions, product browsing functions, and product tracking functions, etc. It is necessary to use technologies in Android in order to implement each module function. For example, network communication requires Android’s network request technology and data analysis technology. The display of pictures requires the use of Android controls and cache technology. The traceability of products requires camera scanning technology. And RSA decryption technology and so on. Through the above thread pool technology and the use of caching mechanism, the user experience of UI will be improved and unnecessary network resources consumption will be avoided.