The outbreak of COVID-19 in early 2020 brought about the mass popularity of community-based services. With the maturity of mobile payment, group booking and wechat business, group buying in community combines e-commerce with traditional business mode by adopting the business mode of "online e-commerce + offline store"and develops rapidly. In this paper, the functional module design of community-based group-buying APPs in Android operating system is discussed, and the practical use needs and software development methods of mobile end are elaborated in detail, in order to provide reference for the design, development, research and practice development of such APPs. © 2021 ACM.
Development of Community-Based Group-Buying Apps under New Retail Mode