durt2 0.3.4

durt2: ^0.3.4 copied to clipboard

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:durt2/durt2.dart';
import 'screens/connection_screen.dart';
import 'screens/wallet_screen.dart';
import 'screens/balance_screen.dart';
import 'screens/payment_screen.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();

  // Initialize Durt2 with gtest network by default using singleton pattern
  try {
    // Create Durt instance and initialize it (this sets Durt._instance)
    final durt = Durt();
    await durt.init(network: Networks.gtest, keyPairType: KeyPairType.ed25519);

    // Connect to the network - now we can use either durt or Durt.i
    await durt.connect();
  } catch (e) {
    print('Failed to initialize Durt2: $e');
    print('App will start - use Connection screen to retry initialization');
  }

  runApp(const DurtExampleApp());
}

class DurtExampleApp extends StatelessWidget {
  const DurtExampleApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Durt2 Example',
      theme: ThemeData(colorScheme: ColorScheme.fromSeed(seedColor: Colors.blue), useMaterial3: true),
      home: const MainScreen(),
    );
  }
}

class MainScreen extends StatefulWidget {
  const MainScreen({super.key});

  @override
  State<MainScreen> createState() => _MainScreenState();
}

class _MainScreenState extends State<MainScreen> {
  int _selectedIndex = 0;

  final List<Widget> _screens = [const ConnectionScreen(), const WalletScreen(), const BalanceScreen(), const PaymentScreen()];

  void _onItemTapped(int index) {
    setState(() {
      _selectedIndex = index;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: _screens[_selectedIndex],
      bottomNavigationBar: BottomNavigationBar(
        type: BottomNavigationBarType.fixed,
        currentIndex: _selectedIndex,
        onTap: _onItemTapped,
        items: const [
          BottomNavigationBarItem(icon: Icon(Icons.wifi), label: 'Connection'),
          BottomNavigationBarItem(icon: Icon(Icons.account_balance_wallet), label: 'Wallets'),
          BottomNavigationBarItem(icon: Icon(Icons.account_balance), label: 'Balance'),
          BottomNavigationBarItem(icon: Icon(Icons.send), label: 'Payment'),
        ],
      ),
    );
  }
}