Flutter: AlterDialog中的列表视图不可滚动

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('Flutter AlertDialog'),
        ),
        body: Center(
          child: ElevatedButton(
            child: Text('Show AlertDialog'),
            onPressed: () {
              showDialog(
                context: context,
                builder: (BuildContext context) {
                  return AlertDialog(
                    title: Text('Select an option'),
                    content: SingleChildScrollView(
                      child: ListBody(
                        children: <Widget>[
                          ListTile(
                            leading: Icon(Icons.music_note),
                            title: Text('Music'),
                            onTap: () {
                              // 处理音乐选项的逻辑
                            },
                          ),
                          ListTile(
                            leading: Icon(Icons.photo),
                            title: Text('Photos'),
                            onTap: () {
                              // 处理照片选项的逻辑
                            },
                          ),
                          ListTile(
                            leading: Icon(Icons.video_label),
                            title: Text('Videos'),
                            onTap: () {
                              // 处理视频选项的逻辑
                            },
                          ),
                        ],
                      ),
                    ),
                    actions: <Widget>[
                      TextButton(
                        child: Text('Cancel'),
                        onPressed: () {
                          Navigator.of(context).pop();
                        },
                      ),
                    ],
                  );
                },
              );
            },
          ),
        ),
      ),
    );
  }
}