shlink-manager/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
import 'package:shlink_app/LoginView.dart';
import 'package:shlink_app/NavigationBarView.dart';
import 'globals.dart' as globals;

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        primarySwatch: Colors.blue,
        brightness: Brightness.light,
        useMaterial3: true
      ),
      darkTheme: ThemeData(
        primarySwatch: Colors.blue,
        brightness: Brightness.dark,
        useMaterial3: true,
        colorScheme: ColorScheme.dark(
          background: Colors.black,
          surface: Color(0xff0d0d0d),
          secondaryContainer: Colors.grey[300]
        )
      ),
      themeMode: ThemeMode.system,
      home: const InitialPage(),
    );
  }
}

class InitialPage extends StatefulWidget {
  const InitialPage({super.key});

  @override
  State<InitialPage> createState() => _InitialPageState();
}

class _InitialPageState extends State<InitialPage> {

  @override
  void initState() {
    super.initState();
    checkLogin();
  }

  void checkLogin() async {

    bool result = await globals.serverManager.checkLogin();
    if (result) {
      Navigator.of(context).pushReplacement(
          MaterialPageRoute(builder: (context) => const NavigationBarView())
      );
    }
    else {
      Navigator.of(context).pushReplacement(
          MaterialPageRoute(builder: (context) => const LoginView())
      );
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: Text("")
      ),
    );
  }
}