import 'package:flutter_secure_storage/flutter_secure_storage.dart'; enum StorageKey { url, jwt, email, password } class StorageHelper { late FlutterSecureStorage secureStorage; StorageHelper() { AndroidOptions getAndroidOptions() => const AndroidOptions( encryptedSharedPreferences: true, ); secureStorage = FlutterSecureStorage(aOptions: getAndroidOptions()); } Future read(StorageKey key) { return secureStorage.read(key: key.name); } Future write(StorageKey key, String value) { return secureStorage.write(key: key.name, value: value); } }