RANCANG BANGUN APLIKASI PERPUSTAKAAN BERBASIS ANDROID MENGGUNAKAN MIT APP INVENTOR (Studi Kasus : Perpustakaan Desa Klaces)

The Klaces Village Library is a library that started up in 2012, the Klaces Village library was formed to provide knowledge in the field of reading and information, especially the community and other institutions around the Klaces Village library. Based on an interview with one of the librarians at the Klaces Village hall, Ibu Yuniar Aryani in her work experience for operations is still in the form of manual writing, which is recording visitor data recorded in separate books so that it can slow down the data collection process and easily disappear. The purpose of this research is to design and build an android based library application using Mit App Inventor as an android application. In designing a library system using the extreme programming method as a system development method. The results of this study are to produce a library application with several other features, book stock, visitor list, book borrowing, book returns and book stock procurement.