clear

 import 'dart:io';
 
 import 'package:flutter/material.dart';
-
 import 'preview_screen.dart';
 
 class CapturesScreen extends StatelessWidget {
   final List<File> imageFileList;
 
-  const CapturesScreen({required this.imageFileList});
+  const CapturesScreen({
+    Key? key,
+    required this.imageFileList,
+  }) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
     return Scaffold(
       backgroundColor: Colors.black,
       body: SingleChildScrollView(
-        physics: BouncingScrollPhysics(),
+        physics: const BouncingScrollPhysics(),
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
-            Padding(
-              padding: const EdgeInsets.all(16.0),
+            const Padding(
+              padding: EdgeInsets.all(16.0),
               child: Text(
                 'Captures',
                 style: TextStyle(
@@ -30,7 +32,7 @@ class CapturesScreen extends StatelessWidget {
             ),
             GridView.count(
               shrinkWrap: true,
-              physics: NeverScrollableScrollPhysics(),
+              physics: const NeverScrollableScrollPhysics(),
               crossAxisCount: 2,
               children: [
                 for (File imageFile in imageFileList)

@@ -9,9 +9,10 @@ class PreviewScreen extends StatelessWidget {
   final List<File> fileList;
 
   const PreviewScreen({
+    Key? key,
     required this.imageFile,
     required this.fileList,
-  });
+  }) : super(key: key);
 
   @override
   Widget build(BuildContext context) {