Register con gmail y screen welcome

lib/src/screens/login_email.dart

@@ -2,7 +2,11 @@ import 'package:flutter/material.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:prosappco/src/provider/google_sign.dart';
 import 'package:prosappco/src/screens/login.dart';
+import 'package:prosappco/src/screens/welcome.dart';
 import 'package:provider/provider.dart';
+
+import 'package:firebase_auth/firebase_auth.dart';
+import 'package:google_sign_in/google_sign_in.dart';
 import 'package:prosappco/src/screens/register.dart';
 
 class LoginEmailScreen extends StatefulWidget {
@@ -12,6 +16,21 @@ class LoginEmailScreen extends StatefulWidget {
   State<LoginEmailScreen> createState() => _LoginEmailScreenState();
 }
 
+final FirebaseAuth _auth = FirebaseAuth.instance;
+final GoogleSignIn googleSignIn = GoogleSignIn();
+Future<UserCredential> signInWithGoogle() async {
+  final GoogleSignInAccount? googleSignInAccount = await googleSignIn.signIn();
+  final GoogleSignInAuthentication googleSignInAuthentication =
+      await googleSignInAccount!.authentication;
+
+  final AuthCredential credential = GoogleAuthProvider.credential(
+    accessToken: googleSignInAuthentication.accessToken,
+    idToken: googleSignInAuthentication.idToken,
+  );
+
+  return await _auth.signInWithCredential(credential);
+}
+
 class _LoginEmailScreenState extends State<LoginEmailScreen> {
   bool _obscureText = true;
 
@@ -77,10 +96,23 @@ class _LoginEmailScreenState extends State<LoginEmailScreen> {
               Padding(
                 padding: EdgeInsets.only(bottom: 20),
                 child: ElevatedButton(
-                    onPressed: () {
-                      final provider = Provider.of<GoogleSignProvider>(context,
-                          listen: false);
-                      provider.googleLogin();
+                    onPressed: () async {
+                      try {
+                        final UserCredential userCredential =
+                            await signInWithGoogle();
+                        // Si la autenticación es exitosa, realiza una acción
+                        // Por ejemplo, navegar a otra pantalla:
+                        Navigator.push(
+                            context,
+                            MaterialPageRoute(
+                                builder: (context) => WelcomeScreen()));
+                      } catch (e) {
+                        // Si ocurre un error durante la autenticación, muestra un mensaje al usuario
+                        ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+                          content: Text(
+                              'Error al iniciar sesion intentalo de nuevo'),
+                        ));
+                      }
                     },
                     style: ElevatedButton.styleFrom(
                       primary: Color(0xFF2BA4EC),

lib/src/screens/welcome.dart

@@ -1 +1,85 @@
+import 'package:flutter/material.dart';
 
+class WelcomeScreen extends StatefulWidget {
+  const WelcomeScreen({super.key});
+
+  @override
+  State<WelcomeScreen> createState() => _WelcomeScreenState();
+}
+
+class _WelcomeScreenState extends State<WelcomeScreen> {
+  @override
+  Widget build(BuildContext context) {
+    return SafeArea(
+        child: Scaffold(
+      resizeToAvoidBottomInset: false,
+      backgroundColor: Color(0xFFD6F4FF),
+      body: Stack(
+        children: [
+          Container(
+            margin: const EdgeInsets.only(top: 130),
+            width: double.infinity,
+            height: 800,
+            decoration: const BoxDecoration(
+                color: Colors.white,
+                borderRadius: BorderRadius.only(
+                    topRight: Radius.circular(50),
+                    topLeft: Radius.circular(50))),
+          ),
+          Container(
+            margin: const EdgeInsets.only(top: 20, left: 30),
+            child: const Image(
+              image: AssetImage('images/logo_prosapp.png'),
+              width: 180,
+              height: 100,
+            ),
+          ),
+          Container(
+            padding: const EdgeInsets.symmetric(horizontal: 0, vertical: 20),
+            margin: const EdgeInsets.only(top: 170),
+            child: Align(
+              alignment: Alignment.topCenter,
+              child: Text(
+                'Bienvenido',
+                style: TextStyle(
+                  color: Color(0xFF262626),
+                  fontSize: 38.0,
+                  fontWeight: FontWeight.bold,
+                ),
+              ),
+            ),
+          ),
+          Container(
+            padding: const EdgeInsets.symmetric(horizontal: 0, vertical: 20),
+            margin: const EdgeInsets.only(top: 280, left: 50, right: 50),
+            child: Column(children: [
+              Padding(
+                padding: const EdgeInsets.only(bottom: 40),
+                child: Center(
+                    child: ElevatedButton(
+                  onPressed: () {},
+                  child: Text(
+                    'Solicitar un servicio',
+                    style: TextStyle(
+                      color: Colors.white,
+                      fontWeight: FontWeight.bold,
+                      fontSize: 18,
+                    ),
+                  ),
+                  style: ElevatedButton.styleFrom(
+                    primary: Color(0xFF2BA4EC),
+                    shape: RoundedRectangleBorder(
+                      borderRadius: BorderRadius.circular(50),
+                    ),
+                    elevation: 0,
+                    minimumSize: Size(260, 60),
+                  ),
+                )),
+              ),
+            ]),
+          ),
+        ],
+      ),
+    ));
+  }
+}