Oct 29, 2025 · Apps that handle non-trivial amounts of structured data can benefit greatly from persisting that data locally. The most common use case is to cache relevant pieces of data so …

Feb 10, 2025 · When you use the Room persistence library to store your app's data, you define entities to represent the objects that you want to store. Each entity corresponds to a table in …

Feb 10, 2025 · Learn to modify database tables using data access objects (DAOs), a part of the Room Library

In this codelab you build an app that uses Android Architecture Components (RoomDatabase, Entity, DAO, AndroidViewModel, LiveData) and implements the recommended architecture for …

The Room persistence library provides an abstraction layer over SQLite to allow for more robust database access while harnessing the full power of SQLite.

Oct 29, 2025 · This means that if a database is originally created by a version of Room lower than 2.2.0, upgrading your app to use Room 2.2.0 might require you to provide a special migration …

Feb 10, 2025 · To prevent queries from blocking the UI, Room does not allow database access on the main thread. This restriction means that you must make your DAO queries asynchronous.

Feb 10, 2025 · Because SQLite is a relational database, you can define relationships between entities. But while most object-relational mapping libraries let entity objects reference each …

Feb 10, 2025 · In Room 2.2.0 and higher, you can use API methods to prepopulate a Room database at initialization with contents from a prepackaged database file in the device's file …

Feb 10, 2025 · Room provides functionality for converting between primitive and boxed types but doesn't allow for object references between entities. This document explains how to use type …