Switch to flutter_lints: ^6.0.0

example/lib/home/home.dart

@@ -11,7 +11,7 @@ import 'package:universal_ble_example/widgets/platform_button.dart';
 import 'package:universal_ble_example/widgets/responsive_buttons_grid.dart';
 
 class MyApp extends StatefulWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
   State createState() => _MyAppState();
@@ -112,9 +112,9 @@ class _MyAppState extends State<MyApp> {
     );
   }
 
-  void showSnackbar(message) {
+  void showSnackbar(String message) {
     ScaffoldMessenger.of(context).showSnackBar(
-      SnackBar(content: Text(message.toString())),
+      SnackBar(content: Text(message)),
     );
   }
 
@@ -156,7 +156,7 @@ class _MyAppState extends State<MyApp> {
                       setState(() {
                         _isScanning = false;
                       });
-                      showSnackbar(e);
+                      showSnackbar(e.toString());
                     }
                   },
                 ),

example/lib/home/widgets/scanned_devices_placeholder_widget.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 
 class ScannedDevicesPlaceholderWidget extends StatelessWidget {
-  const ScannedDevicesPlaceholderWidget({Key? key}) : super(key: key);
+  const ScannedDevicesPlaceholderWidget({super.key});
 
   @override
   Widget build(BuildContext context) {

example/lib/peripheral_details/peripheral_detail_page.dart

@@ -15,8 +15,7 @@ import 'package:universal_ble_example/widgets/responsive_view.dart';
 class PeripheralDetailPage extends StatefulWidget {
   final String deviceId;
   final String deviceName;
-  const PeripheralDetailPage(this.deviceId, this.deviceName, {Key? key})
-      : super(key: key);
+  const PeripheralDetailPage(this.deviceId, this.deviceName, {super.key});
 
   @override
   State<StatefulWidget> createState() {

example/pubspec.lock

@@ -143,10 +143,10 @@ packages:
     dependency: "direct dev"
     description:
       name: flutter_lints
-      sha256: a25a15ebbdfc33ab1cd26c63a6ee519df92338a9c10f122adda92938253bef04
+      sha256: "3105dc8492f6183fb076ccf1f351ac3d60564bff92e20bfc4af9cc1651f4e7e1"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.3"
+    version: "6.0.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -203,10 +203,10 @@ packages:
     dependency: transitive
     description:
       name: lints
-      sha256: "0a217c6c989d21039f1498c3ed9f3ed71b354e69873f13a8dfc3c9fe76f1b452"
+      sha256: a5e2b223cb7c9c8efdc663ef484fdd95bb243bff242ef5b13e26883547fce9a0
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.1"
+    version: "6.0.0"
   logging:
     dependency: transitive
     description:
@@ -460,5 +460,5 @@ packages:
     source: hosted
     version: "6.5.0"
 sdks:
-  dart: ">=3.7.0 <4.0.0"
+  dart: ">=3.8.0 <4.0.0"
   flutter: ">=3.24.0"

example/pubspec.yaml

@@ -22,7 +22,7 @@ dev_dependencies:
     sdk: flutter
   flutter_test:
     sdk: flutter
-  flutter_lints: ^2.0.0
+  flutter_lints: ^6.0.0
 
 flutter:
   uses-material-design: true