Handling State Persistence in Flutter: A practical approach with Shared Preferences

"Hi everyone! 👋

I’ve been working on a personal project and faced a common hurdle: making the app remember user settings (like notification preferences) after it closes.

I decided to use shared_preferences and found it to be a great, lightweight solution for local data persistence. I put together a StorageService to keep things clean.

Dart

import 'package:shared_preferences/shared_preferences.dart'; class StorageService {   // عشان نحفظ حالة التنبيهات   Future<void> setNotificationsEnabled(bool value) async {     final prefs = await SharedPreferences.getInstance();     await prefs.setBool('isNotificationsEnabled', value);   }   //In order to recover the status when the application opens
   Future<bool> getNotificationsEnabled() async {     final prefs = await SharedPreferences.getInstance();     return prefs.getBool('isNotificationsEnabled') ?? true; // Default value true   } }     </bool></void>

I documented the full implementation process and a few lessons I learned along the way (specifically why await is crucial here) on my blog: https://anamuslim-net.blogspot.com/2026/06/flutter-shared-preferences-guide.html

I hope this helps anyone else just starting out with Flutter state management! Does anyone have a preferred way to handle this, or perhaps a better approach for more complex data?"