How do you design an offline-first architecture?

Updated Apr 28, 2026

Short answer

By treating a local database as the single source of truth and using background synchronization with the remote backend.

UI strictly observes local database streams (SQLite, Hive, Isar). 2. User actions immediately update the local DB (optimistic UI). 3. A Sync Manager (often using a background worker) pushes local changes to the API and pulls remote changes to the DB. 4. Conflict resolution strategies merge data.

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