Solved the Problems in Main

lib/main.dart

@@ -1,9 +1,11 @@
 import 'package:flutter/material.dart';
 import 'package:learn_project/screens/home.dart';
 
-void main() => runApp(MyApp());
+void main() => runApp(const MyApp());
 
 class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
@@ -11,8 +13,8 @@ class MyApp extends StatelessWidget {
       //title: 'Recipes',
       theme: ThemeData(
         colorScheme: ColorScheme.fromSwatch().copyWith(
-          primary: Color(0xff263341),
-          secondary: Color(0xff8DB646), // Your accent color
+          primary: const Color(0xff263341),
+          secondary: const Color(0xff8DB646), // Your accent color
         ),
       ),
       home: HomePage(),

lib/screens/home.dart

@@ -27,7 +27,7 @@ class HomePage extends StatelessWidget {
                     onPressed: () {},
                   ),
                 ),
-                SizedBox(
+                const SizedBox(
                   height: 60, //height of button
                   //width of button
                   width: 10,
@@ -39,7 +39,7 @@ class HomePage extends StatelessWidget {
                           hintStyle: TextStyle(color: Colors.blue),
                           hintText: "Ingolstadt")),
                 ),
-                SizedBox(
+                const SizedBox(
                   height: 60, //height of button
                   //width of button
                   width: 20,