如何在 flutter 上添加全屏图像作为启动画面

how to add an full screen image as splash screen on flutter

**大家好,我对 flutter 还很陌生,已经用了 1 或 2 个月了,我的问题是,有什么方法可以将全屏图像添加为我的启动画面应用?我被困在这里,我尝试了很多方法,但它们没有按我想要的方式工作 **

    import 'package:flutter/material.dart';

class Splash extends StatefulWidget {
  @override
  _SplashState createState() => _SplashState();
}

class _SplashState extends State<Splash> {
  @override
  void initState() {
    Future.delayed(Duration(seconds: 3), () {
      Navigator.push(
          context,
          MaterialPageRoute(
              builder: (context) => CalendarWidget(title: 'Calendar')));
    });

    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Container(
        width: MediaQuery.of(context).size.width,
        height: MediaQuery.of(context).size.height,
        child: Image.network(
          'https://images.pexels.com/photos/1987301/pexels-photo-1987301.jpeg?auto=compress&cs=tinysrgb&dpr=1&w=500',
          fit: BoxFit.cover,
        ),
      ),
    );
  }
}