Flutter设置statusBar为白色

import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';

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

  //主要代码
  if (Platform.isAndroid) {
    SystemUiOverlayStyle systemUiOverlayStyle = SystemUiOverlayStyle(
      statusBarColor: Colors.transparent,
    );
    SystemChrome.setSystemUIOverlayStyle(systemUiOverlayStyle);

    print("systemUiOverlayStyle");
  }
}

class MyApp extends StatelessWidget {

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(primarySwatch: Colors.red, primaryColor: Colors.white),  //设置App主题
      home: MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatelessWidget {

  MyHomePage({this.title});
  final String title;

  @override
  Widget build(BuildContext context) {
    // TODO: implement build
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Colors.white,  //主要代码
        brightness: Brightness.light,
        title: Center(
          child: Text("Flutter Demo"),
        ),
      ),
      body: Center(
        child: Text("Hello"),
      ),
    );
  }
}

Android端效果图