小编mar*_*rkt的帖子

我试图制作一个仅适用于该主题的子级的自定义主题。

但是，当我运行该应用程序时，显示“你好”的文本小部件仍为蓝色。我想把它变黄。

谁能告诉我我要去哪里错了？

import 'package:flutter/material.dart';

void main() => runApp(new MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
          brightness: Brightness.dark,
          primaryColor: Colors.lightBlue[800],
          accentColor: Colors.cyan[600],
          textTheme: TextTheme(body1: TextStyle(color: Colors.blue))),
      home: new MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);

  final String title;

  @override
  _MyHomePageState createState() => new _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return …