CODEWITHSUNDEEP
androidiosflutter
Chukwuemeka Maduekwe
Chukwuemeka Maduekwe

Reputation: 8546

Flutter: Store critical data permanently to disk

What the best way to save data for a CRUD app in Flutter, I've seen tutorial use SharedPreferences package for Android/iOS. My problem is this, according to Shared preference doc, Data may be persisted to disk asynchronously, and there is no guarantee that writes will be persisted to disk after returning, so this plugin must not be used for storing critical data., So now this package solves issue of saving file locally to device disk, but my fear is that there is no guarantee and am concerned about users losing their notes.

https://pub.dev/packages/shared_preferences

Another package I found online is https://pub.dev/packages/store_critical_data/example but I've not seen anyone using this so I'm doubting its reliability.

Upvotes: 2

Views: 285

Answers (2)

Will59
Will59

Reputation: 1893

The flutter_secure_storage package seems to have more following and is maintained:

https://pub.dev/packages/flutter_secure_storage

It relies on Keychain / Keystore to store this data.

Upvotes: 0

moneer alhashim
moneer alhashim

Reputation: 828

If your data is critical then it should not just be stored in local storage as local storage can be cleared, and is device dependent. Local storage is inherently unreliable.

Upvotes: 1

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