Android application for my student

I want Android application can access their accounts and review their personal data, their schedules, and the results of their exams. I want to communicate the product database interface phpmyAdmin. The application consists of four interfaces - Login Activity - Dashboard Activity, and contains links to the following pages:   * Student personal data (name, student number, age, mobile number, email)   * Student results (Subject name, grade (A+ , A, B+ , B, C+, C, F--> red color))   * Student preparation (Subject name, the number of absences) + Create the database on free Hosing service like ([login to view URL]) for first time the I will change it later. + I prefer to use JSON parser for the android application. + Please explain the code with comment for any update +You must include the source code. +You Must to give me variables declaration which contain their meaning.