import 'package:firebase_auth/firebase_auth.dart'; class FirebaseAuthService { final FirebaseAuth _auth = FirebaseAuth.instance; Future signUpWithEmailPassword(String email, String password) async { try { UserCredential credential = await _auth.createUserWithEmailAndPassword( email: email, password: password, ); return credential.user; } on FirebaseAuthException catch (e) { print(e.message); return null; } } }