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How do you implement offline data syncing in a Flutter app?

Asked on Dec 04, 2025

Answer

Implementing offline data syncing in a Flutter app involves managing local data storage and ensuring data consistency when the device reconnects to the internet. This typically uses a combination of local databases like SQLite or Hive and network libraries such as Dio or http for API calls.

Example Concept: Offline data syncing in Flutter can be achieved by using a local database to store data changes when offline, and a network library to sync these changes with a remote server once connectivity is restored. The app should detect network status changes and trigger a sync process that reconciles local and remote data, ensuring data consistency and conflict resolution. Libraries like `connectivity_plus` can help monitor network status, while `sqflite` or `hive` can manage local data storage.

Additional Comment:

Use `connectivity_plus` to listen for network changes and trigger sync operations.
Consider implementing a conflict resolution strategy to handle data discrepancies during sync.
Use `sqflite` for relational data or `hive` for key-value storage to manage offline data.
Ensure proper error handling and retries for failed sync attempts to improve reliability.

✅ Answered with Mobile Development best practices.

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How do you implement offline data syncing in a Flutter app?

Asked on Dec 04, 2025

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