Android Application for Online Traffic Complaint in UniSZA using GPS (e-traffic) is an introductory book which provides an excellent way for students and developers to understand key concepts, principles, tips and theories in developing system. Android Application for Online Traffic Complaint in UniSZA using GPS (e-traffic) is a software that enables users to report the traffic complaint to the administrative officer in University Sultan Zainal Abidin (UniSZA).The main idea of this system is to make reporting system easier and faster rather than manual ways. This book cover the whole process of developing this ideas into fully functioning system. The ideas and comparison of e-traffic system with other existing systems also will be discussed in this book.