flutter_secure_storage.dart

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import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 
class SecureStorage {
  final String key;
  SecureStorage({required this.key});
 
  final secureStorage = const FlutterSecureStorage(
    aOptions: AndroidOptions(encryptedSharedPreferences: true),
    iOptions: IOSOptions(accessibility: KeychainAccessibility.first_unlock),
  );
 
  Future<void> save({required dynamic value}) async {
    await secureStorage.write(key: key, value: value);
  }
 
  Future<dynamic> get() async {
    final value = await secureStorage.read(key: key);
    return value;
  }
 
  Future<void> delete() async {
    await secureStorage.delete(key: key);
  }
}