PhysiGo/app/lib/main.dart

import 'package:flutter/material.dart';
import 'package:firebase_core/firebase_core.dart';
import 'package:physigo/firebase_options.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp(
    options: DefaultFirebaseOptions.currentPlatform,
  );
  runApp(const PhysiGo());
}

class PhysiGo extends StatelessWidget {
  const PhysiGo({Key? key}) : super(key: key);
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'PhsyGo',
      theme: ThemeData(
        primarySwatch: Colors.blueGrey,
      ),
      initialRoute: '/',
      routes: {
        '/': (context) => MyHomePage(title: '',),
        '/register': (context) => RegisterScreen(title: '',),
        '/register2': (context) => RegisterScreen2(title: ''),
        '/register3': (context) => RegisterScreen3(title: ''),
        '/login': (context) => LogIn(title: '')
      },
      //home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key? key, required this.title}) : super(key: key);
  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Welcome to PhysiGo'),
      ),
      body: Center(
        child: Column(
          children: <Widget>[
            const SizedBox(height: 30),
            Image.asset(
              'assets/teamlogo.png',
              width: 260,
            ),
            const SizedBox(height: 30),
            ElevatedButton(
              // Within the `FirstScreen` widget
              onPressed: () {
                // Navigate to the second screen using a named route.
                Navigator.pushNamed(context, '/register');
              },
              child: Text('Register'),
            ),
            ElevatedButton(
              onPressed: () {
                Navigator.pushNamed(context, '/login');
              },
              child: const Text('Log In'),
            )
          ],
        ),
      ),
    );
  }
}

class RegisterScreen extends StatefulWidget {
  const RegisterScreen({Key? key, required this.title}) : super(key: key);
  final String title;

  @override
  //_RegisterScreen createState() => _RegisterScreen();
  State<RegisterScreen> createState() => _RegisterScreen();
}

class _RegisterScreen extends State<RegisterScreen> {
  DateTime? _dateTime;
  String? _dateString;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Register Screen'),
      ),
      body: Center(
          child: SizedBox(
            width: 300,
            child: Column(children: <Widget>[
              const SizedBox(height: 30),
              Text(
                'Personal Information',
                style: TextStyle(fontSize: 25, fontWeight: FontWeight.bold),
              ),
              const SizedBox(height: 30),
              Image.asset(
                'assets/user.png',
                width: 150,
              ),
              const SizedBox(height: 30),
              TextField(
                decoration: InputDecoration(
                  hintText: 'Name',
                ),
              ),
              const SizedBox(height: 10),
              TextField(
                decoration: InputDecoration(
                  hintText: 'Surname',
                ),
              ),

              const SizedBox(height: 10),
              Row(children: <Widget>[
                Text(_dateString == null
                    ? 'Select birthday date :'
                    : _dateString.toString()),
                const SizedBox(width: 49),
                ElevatedButton(
                  onPressed: () {
                    showDatePicker(
                        context: context,
                        initialDate: DateTime.now(),
                        firstDate: DateTime(1900),
                        lastDate: DateTime(2222))
                        .then((date) {
                      setState(() {
                        _dateTime = date!;
                        _dateString = "${date.day}/${date.month}/${date.year}";
                      });
                    });
                  },
                  child: const Text('Select date'),
                ),
              ]),
              const SizedBox(height: 10),
              ElevatedButton(
                onPressed: () {
                  Navigator.pushNamed(context, '/register2');
                },
                child: const Text('Next Page'),
              ),
            ]),
          )),
    );
  }
}

class RegisterScreen2 extends StatefulWidget {
  const RegisterScreen2({Key? key, required this.title}) : super(key: key);
  final String title;

  @override
  //_RegisterScreen createState() => _RegisterScreen();
  State<RegisterScreen2> createState() => _RegisterScreen2();
}

class _RegisterScreen2 extends State<RegisterScreen2> {
  bool isChecked = false;
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Register Screen'),
      ),
      body: Center(
          child: SizedBox(
            width: 300,
            child: Column(children: <Widget>[
              const SizedBox(height: 30),
              Text(
                'Contact Details',
                style: TextStyle(fontSize: 25, fontWeight: FontWeight.bold),
              ),
              const SizedBox(height: 30),
              Image.asset(
                'assets/communicate.png',
                width: 150,
              ),
              const SizedBox(height: 30),
              TextField(
                decoration: InputDecoration(
                  hintText: 'Mail',
                ),
              ),
              const SizedBox(height: 10),
              TextField(
                decoration: InputDecoration(
                  hintText: 'Phone Number',
                ),
              ),
              const SizedBox(height: 10),
              TextField(
                decoration: InputDecoration(
                  hintText: 'Home Adress..',
                ),
              ),
              const SizedBox(height: 10),
              Row(children: <Widget>[
                Text('Anonymous'),
                Checkbox(

                  checkColor: Colors.white,
                  value: isChecked,
                  onChanged: (bool? value) {
                    setState(() {
                      isChecked = value!;
                    });
                  },),
              ]),

              const SizedBox(height: 10),
              ElevatedButton(
                onPressed: () {
                  Navigator.pushNamed(context, '/register3');
                },
                child: const Text('Next Page'),
              ),

            ]),
          )),
    );
  }

}

class RegisterScreen3 extends StatefulWidget {
  const RegisterScreen3({Key? key, required this.title}) : super(key: key);
  final String title;

  @override
  //_RegisterScreen createState() => _RegisterScreen();
  State<RegisterScreen3> createState() => _RegisterScreen3();
}

class _RegisterScreen3 extends State<RegisterScreen3> {

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Register Screen'),
      ),
      body: Center(
          child: SizedBox(
            width: 300,
            child: Column(children: <Widget>[
              const SizedBox(height: 30),
              Text(
                'User details',
                style: TextStyle(fontSize: 25, fontWeight: FontWeight.bold),
              ),
              const SizedBox(height: 30),
              Image.asset(
                'assets/id-card.png',
                width: 150,
              ),
              const SizedBox(height: 30),
              TextField(
                decoration: InputDecoration(
                  hintText: 'Username',
                ),
              ),
              const SizedBox(height: 10),
              TextField(
                decoration: InputDecoration(
                  hintText: 'Password',
                ),
              ),
              const SizedBox(height: 10),
              TextField(
                decoration: InputDecoration(
                  hintText: 'Repeat password',
                ),
              ),
              const SizedBox(height: 10),


              const SizedBox(height: 10),
              ElevatedButton(
                onPressed: () {

                },
                child: const Text('Finish'),
              ),

            ]),
          )),
    );
  }

}

class LogIn extends StatefulWidget {
  const LogIn({Key? key, required this.title}) : super(key: key);
  final String title;

  @override
  //_RegisterScreen createState() => _RegisterScreen();
  State<LogIn> createState() => _LogIn();
}

class _LogIn extends State<LogIn> {

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Login Screen'),
      ),
      body: Center(
          child: SizedBox(
            width: 300,
            child: Column(children: <Widget>[
              const SizedBox(height: 30),
              Text(
                'Welcome back!',
                style: TextStyle(fontSize: 25, fontWeight: FontWeight.bold),
              ),
              const SizedBox(height: 30),
              Image.asset(
                'assets/hello.png',
                width: 150,
              ),
              const SizedBox(height: 30),
              TextField(
                decoration: InputDecoration(
                  hintText: 'Mail or mobile phone',
                ),
              ),
              const SizedBox(height: 10),
              TextField(
                decoration: InputDecoration(
                  hintText: 'Password',
                ),
              ),
              const SizedBox(height: 10),
              ElevatedButton(
                onPressed: () {

                },
                child: const Text('Log In'),
              ),


            ]),
          )),
    );
  }
}