flutter 打开应用的闪屏动画
import 'package:flutter/material.dart'; import 'package:flutter_app/pages/SplashScreen.dart'; void main() => runApp(MyApp()); class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( title: 'Flutter Demo', theme: ThemeData( primarySwatch: Colors.green, //定义主题风格 primarySwatch ), home: SplashScreen(), ); } } import 'package:flutter/material.dart'; import '../MyHomePage.dart'; class SplashScreen extends StatefulWidget { _SplashScreenState createState() => _SplashScreenState(); } class _SplashScreenState extends State<SplashScreen> with