Android Tutorial #7: Room Database — Advanced Patterns
The Compose tutorial covered basic Room: one entity, one DAO, simple CRUD operations. That is enough for a notes app. Real apps need more. Users update their app and you need to migrate the database without losing data. You have notes with tags — a many-to-many relationship. Users search through thousands of notes and expect instant results. This tutorial covers the advanced Room patterns you need for production apps. Prerequisites: Compose Tutorial #13: Room basics and Kotlin Tutorial: Flow. ...