SimpleDialog 简单对话框

main.dart

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'SimpleDialog',
      home: Scaffold(
        appBar: AppBar(
          title: Text('SimpleDialog'),
        ),
        body: Center(
          child: SimpleDialog(
            title: const Text('对话框标题'),
            children: <Widget>[
              SimpleDialogOption(
                onPressed: () {},
                child: Text('第一行消息'),
              ),
              SimpleDialogOption(
                onPressed: () {},
                child: Text('第二行消息'),
              ),
            ],
          ),
        ),
      ),
    );
  }
}