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What's the best way to handle offline data sync in a Flutter app?

Asked on Dec 12, 2025

Answer

Handling offline data synchronization in a Flutter app involves managing local data storage and ensuring data consistency when the device reconnects to the internet. This can be achieved using packages like `sqflite` for local storage and `connectivity_plus` for network status monitoring.

Example Concept: Implement an offline-first strategy by storing data locally using a database (e.g., SQLite) and syncing with a remote server when the device is online. Use a background service to monitor network connectivity and trigger data synchronization tasks. This approach ensures data availability and consistency across sessions and network changes.

Additional Comment:

Use `sqflite` for local data persistence to handle CRUD operations offline.
Monitor network status with `connectivity_plus` to detect when to sync data.
Consider using `flutter_background_service` for background tasks to manage sync operations.
Implement conflict resolution strategies to handle data discrepancies during sync.

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Ask any question about Mobile Development here... and get an instant response.

What's the best way to handle offline data sync in a Flutter app?

Asked on Dec 12, 2025

Answer

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