What is room DB Android?

Question

Room Database is a part of the Android Architecture components which provides an abstraction layer over SQLite which allows for more robust database access while still providing the full power of SQLite. Room is a persistence library, part of the Android Jetpack. 4 мар. 2021 г.

What is DB room?

Most Android applications require local data storage. In the past years, we have achieved this through the use of SQLite databases. Room is a persistent library that is part of the Android jetpack. It is built on top of SQLite. The room persistent library has many advantages over raw SQLite.

Do I need to close room database?

No, according to https://stackoverflow.com/a/7739454/1090523 the system will handle the closing of the database connection when the app is closed. No leak will occur, and it is also more performant to keep a connection open and reuse it than to keep opening and closing connections.

How does room database work?

Room autogenerates implementations of your @Database and @Dao annotated classes the first time you compile your code after creating a Room Database. The implementation of UserDatabase and UserDao in the preceding example is generated automatically by the Room annotation processor.

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