app/lib/paegs/welcome_page/welcome_page.dart

import 'dart:async';

import 'package:bangbangyu/my_tools/my_tools.dart';
import 'package:bangbangyu/paegs/login_page/login_page.dart';
import 'package:flutter/material.dart';

class WelcomePage extends StatefulWidget {
  @override
  _WelcomePageState createState() => _WelcomePageState();
}

class _WelcomePageState extends State<WelcomePage> {
  @override
  void initState() {
    super.initState();
    Timer(Duration(seconds: 1), (){
      MyTools().toPage(context, LoginPage(), (then){},noBack: true);
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(backgroundColor: Colors.blue,);
  }
}