What is the best way to store data from Firebase to SQLite or offline in flutter?

问题

In my app when user is offline, I want data to store in local db and then sync data with firebase.

回答1:

Both FireStore and Realtime Database have offline persistence.

Firestore :

Firestore.instance.settings(persistenceEnabled: true)

In the case of Firebase Realtime database, you don't need anything specific to set-up. Offline connectivity is automatic. So, the following line does the trick :

databaseReference.child(dbKey).set(data);

来源：https://stackoverflow.com/questions/61315478/what-is-the-best-way-to-store-data-from-firebase-to-sqlite-or-offline-in-flutter