flutter/lib/main.dart

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:wger/screens/auth_screen.dart';
import 'package:wger/screens/home_tabs_screen.dart';
import 'package:wger/screens/splash_screen.dart';

import 'providers/auth.dart';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return ChangeNotifierProvider(
      create: (_) => Auth(),
      child: Consumer<Auth>(
        builder: (ctx, auth, _) => MaterialApp(
          title: 'Flutter Demo',
          theme: ThemeData(
            // This is the theme of your application.
            //
            // Try running your application with "flutter run". You'll see the
            // application has a blue toolbar. Then, without quitting the app, try
            // changing the primarySwatch below to Colors.green and then invoke
            // "hot reload" (press "r" in the console where you ran "flutter run",
            // or simply save your changes to "hot reload" in a Flutter IDE).
            // Notice that the counter didn't reset back to zero; the application
            // is not restarted.
            primarySwatch: Colors.blue,
            accentColor: Colors.amber,
            // This makes the visual density adapt to the platform that you run
            // the app on. For desktop platforms, the controls will be smaller and
            // closer together (more dense) than on mobile platforms.
            visualDensity: VisualDensity.adaptivePlatformDensity,
          ),
          home: auth.isAuth
              ? HomeTabsScreen()
              : FutureBuilder(
                  future: auth.tryAutoLogin(),
                  builder: (ctx, authResultSnapshot) =>
                      authResultSnapshot.connectionState ==
                              ConnectionState.waiting
                          ? SplashScreen()
                          : AuthScreen()),
        ),
      ),
    );
  }
}