Untitled

import 'dart:async';
import 'dart:io';
import 'package:encrypt/encrypt.dart' as encrypt;
import 'package:flutter/material.dart';
import 'package:local_auth/local_auth.dart';
import 'package:path_provider/path_provider.dart';

void main() {
  runApp(MOHAMEDVaultApp());
}

class MOHAMEDVaultApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'MOHAMED Vault',
      theme: ThemeData(primarySwatch: Colors.blue),
      initialRoute: '/',
      routes: {
        '/': (context) => AuthenticationScreen(),
        '/vault': (context) => VaultScreen(),
        '/lock': (context) => LockScreen(),
      },
    );
  }
}

/// *Authentication Screen*
class AuthenticationScreen extends StatefulWidget {
  @override
  _AuthenticationScreenState createState() => _AuthenticationScreenState();
}

class _AuthenticationScreenState extends State<AuthenticationScreen> {
  final LocalAuthentication auth = LocalAuthentication();

  Future<void> authenticate() async {
    try {
      bool authenticated = await auth.authenticate(
        localizedReason: 'Authenticate to access your vault',
        options: AuthenticationOptions(biometricOnly: true),
      );

      if (authenticated) {
        Navigator.pushReplacementNamed(context, '/vault');
      }
    } catch (e) {
      print('Error authenticating: $e');
    }
  }

  @override
  void initState() {
    super.initState();
    authenticate();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(child: Text('Authenticating...')),
    );
  }
}

/// *Vault Screen*
class VaultScreen extends StatefulWidget {
  @override
  _VaultScreenState createState() => _VaultScreenState();
}

class _VaultScreenState extends State<VaultScreen> {