1.dart的text例子

import 'package:flutter/material.dart';

final Color darkBlue = Color.fromARGB(255, 127, 12, 47); //定义背景颜色

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData.dark().copyWith(scaffoldBackgroundColor: darkBlue),
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        body: Center(
          child: MyWidget(),
        ),
      ),
    );
  }
}

class MyWidget extends StatelessWidget {
  @override
  Widget build(BuildContext context) {

    //建立一个Text的文本
    return Text('Hello, keny 风清扬!', style: Theme.of(context).textTheme.display1);
  }
}

2.运行效果