bump min versions

use super parameters

packages/file_selector/file_selector_windows/example/lib/get_directory_page.dart

@@ -9,7 +9,7 @@ import 'package:flutter/material.dart';
 ///  then displays the selected directory in a dialog.
 class GetDirectoryPage extends StatelessWidget {
   /// Default Constructor
-  const GetDirectoryPage({Key? key}) : super(key: key);
+  const GetDirectoryPage({super.key});
 
   Future<void> _getDirectoryPath(BuildContext context) async {
     const String confirmButtonText = 'Choose';
@@ -58,7 +58,7 @@ class GetDirectoryPage extends StatelessWidget {
 /// Widget that displays a text file in a dialog.
 class TextDisplay extends StatelessWidget {
   /// Creates a `TextDisplay`.
-  const TextDisplay(this.directoryPath, {Key? key}) : super(key: key);
+  const TextDisplay(this.directoryPath, {super.key});
 
   /// The path selected in the dialog.
   final String directoryPath;

packages/file_selector/file_selector_windows/example/lib/home_page.dart

@@ -7,7 +7,7 @@ import 'package:flutter/material.dart';
 /// Home Page of the application.
 class HomePage extends StatelessWidget {
   /// Default Constructor
-  const HomePage({Key? key}) : super(key: key);
+  const HomePage({super.key});
 
   @override
   Widget build(BuildContext context) {

packages/file_selector/file_selector_windows/example/lib/main.dart

@@ -18,7 +18,7 @@ void main() {
 /// MyApp is the Main Application.
 class MyApp extends StatelessWidget {
   /// Default Constructor
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
   Widget build(BuildContext context) {

packages/file_selector/file_selector_windows/example/lib/open_image_page.dart

@@ -12,7 +12,7 @@ import 'package:flutter/material.dart';
 /// `openFiles`, then displays the selected images in a gallery dialog.
 class OpenImagePage extends StatelessWidget {
   /// Default Constructor
-  const OpenImagePage({Key? key}) : super(key: key);
+  const OpenImagePage({super.key});
 
   Future<void> _openImageFile(BuildContext context) async {
     const XTypeGroup typeGroup = XTypeGroup(
@@ -65,8 +65,7 @@ class OpenImagePage extends StatelessWidget {
 /// Widget that displays an image in a dialog.
 class ImageDisplay extends StatelessWidget {
   /// Default Constructor.
-  const ImageDisplay(this.fileName, this.filePath, {Key? key})
-      : super(key: key);
+  const ImageDisplay(this.fileName, this.filePath, {super.key});
 
   /// The name of the selected file.
   final String fileName;

packages/file_selector/file_selector_windows/example/lib/open_multiple_images_page.dart

@@ -12,7 +12,7 @@ import 'package:flutter/material.dart';
 /// `openFiles`, then displays the selected images in a gallery dialog.
 class OpenMultipleImagesPage extends StatelessWidget {
   /// Default Constructor
-  const OpenMultipleImagesPage({Key? key}) : super(key: key);
+  const OpenMultipleImagesPage({super.key});
 
   Future<void> _openImageFile(BuildContext context) async {
     const XTypeGroup jpgsTypeGroup = XTypeGroup(
@@ -69,7 +69,7 @@ class OpenMultipleImagesPage extends StatelessWidget {
 /// Widget that displays a text file in a dialog.
 class MultipleImagesDisplay extends StatelessWidget {
   /// Default Constructor.
-  const MultipleImagesDisplay(this.files, {Key? key}) : super(key: key);
+  const MultipleImagesDisplay(this.files, {super.key});
 
   /// The files containing the images.
   final List<XFile> files;

packages/file_selector/file_selector_windows/example/lib/open_text_page.dart

@@ -9,7 +9,7 @@ import 'package:flutter/material.dart';
 /// displays its contents in a dialog.
 class OpenTextPage extends StatelessWidget {
   /// Default Constructor
-  const OpenTextPage({Key? key}) : super(key: key);
+  const OpenTextPage({super.key});
 
   Future<void> _openTextFile(BuildContext context) async {
     const XTypeGroup typeGroup = XTypeGroup(
@@ -62,8 +62,7 @@ class OpenTextPage extends StatelessWidget {
 /// Widget that displays a text file in a dialog.
 class TextDisplay extends StatelessWidget {
   /// Default Constructor.
-  const TextDisplay(this.fileName, this.fileContent, {Key? key})
-      : super(key: key);
+  const TextDisplay(this.fileName, this.fileContent, {super.key});
 
   /// The name of the selected file.
   final String fileName;

packages/file_selector/file_selector_windows/example/lib/save_text_page.dart

@@ -10,7 +10,7 @@ import 'package:flutter/material.dart';
 /// then writes text to a file at that location.
 class SaveTextPage extends StatelessWidget {
   /// Default Constructor
-  SaveTextPage({Key? key}) : super(key: key);
+  SaveTextPage({super.key});
 
   final TextEditingController _nameController = TextEditingController();
   final TextEditingController _contentController = TextEditingController();

packages/file_selector/file_selector_windows/example/pubspec.yaml

@@ -4,8 +4,8 @@ publish_to: 'none'
 version: 1.0.0
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
-  flutter: ">=2.10.0"
+  sdk: ">=2.17.0 <3.0.0"
+  flutter: ">=3.0.0"
 
 dependencies:
   file_selector_platform_interface: ^2.2.0

packages/file_selector/file_selector_windows/pubspec.yaml

@@ -5,8 +5,8 @@ issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+
 version: 1.0.0
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
-  flutter: ">=2.10.0"
+  sdk: ">=2.17.0 <3.0.0"
+  flutter: ">=3.0.0"
 
 flutter:
   plugin: