widgets.dart

import 'package:firebase_auth/firebase_auth.dart';
import 'package:flutter/material.dart';

import 'login.dart';

//Widgets für den Login/Registrations Screen

Container loginRegisterButton(
BuildContext context, bool isLogin, Function onTap) {
  return Container(
    width: MediaQuery.of(context).size.width,
    height: 50,
    margin: EdgeInsets.fromLTRB(0, 10, 0, 20),
        decoration: BoxDecoration(borderRadius: BorderRadius.circular(50)),
        child: ElevatedButton(
          onPressed: (){
            onTap();
          },
          style: ButtonStyle(
          backgroundColor: MaterialStateColor.resolveWith((states){
            if(states.contains(MaterialState.pressed)){
              return Colors.black;
            }
              return Colors.white;
            }),
            shape: MaterialStateProperty.all<RoundedRectangleBorder>(
              RoundedRectangleBorder(borderRadius: BorderRadius.circular(30)))),
          child: Text(
            isLogin? 'Login' : 'Registrate',
            style: const TextStyle(
              color: Colors.black),
            ),
        )
    );
}
Container signOutButton(
    BuildContext context) {
  return Container(
      width: MediaQuery
          .of(context)
          .size
          .width,
      height: 50,
      margin: EdgeInsets.fromLTRB(0, 10, 0, 20),
      decoration: BoxDecoration(borderRadius: BorderRadius.circular(50)),
      child: ElevatedButton(
        onPressed: () {
          FirebaseAuth.instance.signOut().then((value) {
            Navigator.push(context, MaterialPageRoute(builder:
                (context) => LoginPage()));
          });
        },
        style: ButtonStyle(
            backgroundColor: MaterialStateColor.resolveWith((states) {
              if (states.contains(MaterialState.pressed)) {
                return Colors.black;
              }
              return Colors.white;
            }),
            shape: MaterialStateProperty.all<RoundedRectangleBorder>(
                RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(30)))),
        child: const Text(
          "Sign Out",
          style: TextStyle(
              color: Colors.black),
        ),
      )
  );
}