Android Google Firebase Cloud Messaging MYSQL Sync SQLite database Part 2

Android Sync MYSQL , SQLite : Eplained how to code for sync SQLite database and MYSQL database
New to below Android Concepts ? then go through following videos before going through MYSQL Sync SQLite videos.

SQLite :

Content Provider :

CusrorAdapter :

View Pager :

Cursor Loader :

[unisysTechHub]

If You are New to Android then go through following videos before going through MYSQL Sync SQLite Videos.

SQLite :

Content Provider :

CusrorAdapter :

View Pager :

Cursor Loader :

and

Google Firebase Cloud Messaging Initial Setup Part 1, Part 2, Part 3 Part 4

[artwelljunior]

Nice video. You kept on referring to the previous sessions. May I know the prerequisites in order to understand the synching.
Thank you