Update: lib/main.dart

lib/main.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:photo_mosaic_app/home_page.dart';
 
 void main() {
   runApp(const MyApp());
@@ -10,24 +11,12 @@ class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      title: 'Flutter Demo',
-      home: const MyHomePage(title: 'Flutter Demo Home Page'),
+      title: 'Photo Mosaic Generator',
+      theme: ThemeData(
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+        useMaterial3: true,
+      ),
+      home: const HomePage(),
     );
   }
-}
-
-class MyHomePage extends StatefulWidget {
-  const MyHomePage({super.key, required this.title});
-
-  final String title;
-
-  @override
-  State<MyHomePage> createState() => _MyHomePageState();
-}
-
-class _MyHomePageState extends State<MyHomePage> {
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(appBar: AppBar(), body: Center());
-  }
-}
+}