This article will walk you through the basics of file I/O and in the end, You will be able to build your own storage service just like shared preference using Dart: IO library.

Our main aim is to dig deep into Flutter file I/O so for that, we are creating our own shared preferences just to learn the basics of file I/O.

Shared preferences in flutter allow the developer to store some sort of state weather it’s related to user data like the day-night theme or some app-level data which we want to persist even after closing the app.

#cross-platform #flutter-app-development #flutter #mobile #sharedpreferences