Using Secure Storage

secure_storage.dart

import 'package:flutter_secure_storage/flutter_secure_storage.dart';

Future<void> secureStorageActions() async {
// Create storage
  const storage = FlutterSecureStorage();

// Read value
  String? value = await storage.read(key: 'key');

// Read all values
  Map<String, String> allValues = await storage.readAll();

// Delete value
  await storage.delete(key: 'key');

// Delete all
  await storage.deleteAll();

// Write value
  await storage.write(key: 'key', value: 'value');
}