如何在其他屏幕按下的Flutter中传递未来方法中的字符串参数？

typedef FutureCallback = Future<void> Function(String);

class SourceScreen extends StatelessWidget {
  final FutureCallback callback;

  SourceScreen({required this.callback});

  // 在某个事件触发时调用回调函数
  void _onButtonPressed() {
    String parameter = "Hello World";
    callback(parameter);
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Source Screen'),
      ),
      body: Center(
        child: ElevatedButton(
          onPressed: _onButtonPressed,
          child: Text('Pass Parameter'),
        ),
      ),
    );
  }
}

class DestinationScreen extends StatelessWidget {
  final FutureCallback callback;

  DestinationScreen({required this.callback});

  // 在未来方法中获取传递的字符串参数
  Future<void> _handleCallback(String parameter) async {
    print('Received parameter: $parameter');
    // 执行其他操作
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Destination Screen'),
      ),
      body: Center(
        child: ElevatedButton(
          onPressed: () => callback('Parameter from Destination Screen'),
          child: Text('Call Callback'),
        ),
      ),
    );
  }
}

class MainScreen extends StatelessWidget {
  Future<void> _handleCallback(String parameter) async {
    print('Received parameter: $parameter');
    // 执行其他操作
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('Main Screen'),
        ),
        body: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            SourceScreen(callback: _handleCallback),
            DestinationScreen(callback: _handleCallback),
          ],
        ),
      ),
    );
  }
}