Flutter :在深色模式下更改文本颜色CupertinoDatePicker

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData(
        brightness: Brightness.dark, // 设置主题为深色模式
        textTheme: TextTheme(
          bodyText2: TextStyle(color: Colors.white), // 设置文本颜色为白色
        ),
      ),
      home: Scaffold(
        appBar: AppBar(
          title: Text('Flutter Dark Mode'),
        ),
        body: Center(
          child: Text(
            'Hello, World!',
            style: Theme.of(context).textTheme.bodyText2, // 使用主题中定义的文本样式
          ),
        ),
      ),
    );
  }
}