Dicoding Developer Coaching merupakan webinar, yang membahas tuntas kendala maupun pertanyaan yang sering ditanyakan di Academy Dicoding. Tema kali ini adalah "Menyimpan Database dengan Lebih Simpel Menggunakan Room" Di sini Anda akan belajar mengenai bagaimana cara menyimpan data ke database dengan menggunakan Room. Seperti yang Anda ketahui, Room adalah sebuah ORM library atau Object Relational Mapping library. Dengan kata lain, Room akan memetakan obyek database ke obyek Java. Room menyediakan lapisan abstraksi di atas SQLite untuk memungkinkan aplikasi mengakses database dengan lancar dan memanfaatkan kekuatan atau kemampuan dari SQLite.

1. Menyimpan Database secara Lebih
Simpel Menggunakan Room
Alfian Yusuf Abdullah
Google Associate Android Developer, Code Reviewer Dicoding

2. Room Persistence Library
Part of Android Jetpack

3. The Room persistence library provides an abstraction layer over SQLite to allow
fluent database access while harnessing the full power of SQLite.
https://developer.android.com/training/data-storage/room
Android Jetpack
Room Overview

4. Benefits using Room
Android Jetpack
● Compile-time verification of SQL queries.
● Convenience annotations that minimize repetitive and error-prone
boilerplate code.
● Streamlined database migration paths.

5. Major Component
Android Jetpack
● RoomDatabase()
The database class that holds the database and serves as the main access
point for the underlying connection to your app's persisted data.
● Data entities
Data entities that represent tables in your app's database.
● Data access objects (DAOs)
Data access objects (DAOs) that provide methods that your app can use
to query, update, insert, and delete data in the database.

6. Major Component
Android Jetpack

7. Room Implementation
Android Jetpack

8. Android Jetpack
Room’s Dependencies

9. Android Jetpack
Data Entity as Table Schema
Representation

10. Android Jetpack
Data Access Object (DAO)

11. Android Jetpack
Last but not Least, Database Class

12. How to Access Data?
Android Jetpack

13. Android Jetpack
Create instance of AppDatabase

14. Android Jetpack
And, that’s it!

15. Android Jetpack
With params?

16. Android Jetpack
How about insert new data?

17. Android Jetpack
Be careful with write transaction!

18. Migration Room Databases
Android Jetpack

19. Declare it, and set to the database creation!
Android Jetpack

20. Prepopulate Database
With Room
Android Jetpack

21. From assets resources folder
Android Jetpack

22. With db file path
Android Jetpack

23. Database Inspector
Android Jetpack

25. Contact:
@alfianyabdullah
THANKS!
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