flutter_tracker/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:flutter_tracker/pages/welcome_page.dart';
import 'package:flutter_tracker/routes/routes.dart';
import 'package:flutter_tracker/utils/sp_util.dart';
import 'index_page.dart';

/// Description:
/// Time       : 2021年12月03日 Friday
/// Author     : liuyuqi.gov@msncn
void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  bool isLogin = await SpUtil.get("isLogin", false);
  runApp(MyApp(
    isLogin: isLogin,
  ));
}

class MyApp extends StatelessWidget {
  bool isLogin = false;

  MyApp({Key? key, required this.isLogin}) : super(key: key);

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return ScreenUtilInit(
      designSize: const Size(750, 1344),
      builder: (BuildContext context, Widget? child) {
        return MaterialApp(
          title: '追踪者',
          theme: ThemeData(
            primarySwatch: Colors.blue,
          ),
          debugShowCheckedModeBanner: false,
          home: isLogin ? const IndexPage() : const WelComePage(),
          onGenerateRoute: Routes.generateRoute,
        );
      },
    );
  }
}