material desing init with example

lib/old/firebase_options.dart

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+// File generated by FlutterFire CLI.
+// ignore_for_file: lines_longer_than_80_chars, avoid_classes_with_only_static_members
+import 'package:firebase_core/firebase_core.dart' show FirebaseOptions;
+import 'package:flutter/foundation.dart'
+    show defaultTargetPlatform, kIsWeb, TargetPlatform;
+
+/// Default [FirebaseOptions] for use with your Firebase apps.
+///
+/// Example:
+/// ```dart
+/// import 'firebase_options.dart';
+/// // ...
+/// await Firebase.initializeApp(
+///   options: DefaultFirebaseOptions.currentPlatform,
+/// );
+/// ```
+class DefaultFirebaseOptions {
+
+  static FirebaseOptions get currentPlatform {
+    if (kIsWeb) {
+      throw UnsupportedError(
+        'DefaultFirebaseOptions have not been configured for web - '
+        'you can reconfigure this by running the FlutterFire CLI again.',
+      );
+    }
+    switch (defaultTargetPlatform) {
+      case TargetPlatform.android:
+        return android;
+      case TargetPlatform.iOS:
+        return ios;
+      case TargetPlatform.macOS:
+        throw UnsupportedError(
+          'DefaultFirebaseOptions have not been configured for macos - '
+          'you can reconfigure this by running the FlutterFire CLI again.',
+        );
+      case TargetPlatform.windows:
+        throw UnsupportedError(
+          'DefaultFirebaseOptions have not been configured for windows - '
+          'you can reconfigure this by running the FlutterFire CLI again.',
+        );
+      case TargetPlatform.linux:
+        throw UnsupportedError(
+          'DefaultFirebaseOptions have not been configured for linux - '
+          'you can reconfigure this by running the FlutterFire CLI again.',
+        );
+      default:
+        throw UnsupportedError(
+          'DefaultFirebaseOptions are not supported for this platform.',
+        );
+    }
+  }
+
+  static const FirebaseOptions android = FirebaseOptions(
+    apiKey: 'AIzaSyCh2cA5AHNIS3e1Wnf48dfoCUKvmEM9J34',
+    appId: '1:164857321043:android:0a67e4973f9208721ad8a6',
+    messagingSenderId: '164857321043',
+    projectId: 'progetto-m335',
+    databaseURL: 'https://progetto-m335-default-rtdb.europe-west1.firebasedatabase.app',
+    storageBucket: 'progetto-m335.appspot.com',
+  );
+
+  static const FirebaseOptions ios = FirebaseOptions(
+    apiKey: 'AIzaSyAhEex7OfyJHETyC-uSydOFGABBn5KX16Q',
+    appId: '1:164857321043:ios:b497e5d24254d60e1ad8a6',
+    messagingSenderId: '164857321043',
+    projectId: 'progetto-m335',
+    databaseURL: 'https://progetto-m335-default-rtdb.europe-west1.firebasedatabase.app',
+    storageBucket: 'progetto-m335.appspot.com',
+    iosBundleId: 'ch.ameti.progettoM335Flutter',
+  );
+}

lib/old/main.dart

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+/*
+import 'package:flutter/material.dart';
+import 'package:flutter/material.dart';
+import '../pages/welcome_page.dart';
+import '../pages/home_page.dart';
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  // This widget is the root of your application.
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      theme: ThemeData(
+          primaryColor: Colors.red,
+          accentCoulor: Colors.blue,
+          fontFamily: 'Roboto',
+          textTheme: TextTheme(
+            headline1: TextStyle(fontSize: 24),
+            headline2: TextStyle(fontSize: 20),
+            headline3: TextStyle(fontSize: 16),
+          )),
+      // Cambia la proprietà `home` con `WelcomePage()`
+      home: WelcomePage(),
+      // Aggiungi un nuovo `onGenerateRoute`
+      onGenerateRoute: (settings) {
+        // Se la route è `/home`, esci dal `WelcomePage()` e vai alla `HomePage()`
+        if (settings.name == '/home') {
+          Navigator.pop(context);
+          return MaterialPageRoute(
+              builder: (context) => const HomePage(
+                    title: 'Titolo',
+                  ));
+        }
+        // Altrimenti, restituisci la route predefinita
+        return MaterialPageRoute(builder: (context) => WelcomePage());
+      },
+    );
+  }
+ }  */