Fix lint warnings in example.

Author: timbotimbo

example/lib/main.dart

@@ -12,7 +12,7 @@ void main() {
 }
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   // This widget is the root of your application.
   @override

example/lib/menu_screen.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 
 class MenuScreen extends StatefulWidget {
-  const MenuScreen({Key? key}) : super(key: key);
+  const MenuScreen({super.key});
 
   @override
   State<MenuScreen> createState() => _MenuScreenState();

example/lib/screens/api_screen.dart

@@ -5,7 +5,7 @@ import 'package:flutter_unity_widget/flutter_unity_widget.dart';
 import 'package:pointer_interceptor/pointer_interceptor.dart';
 
 class ApiScreen extends StatefulWidget {
-  const ApiScreen({Key? key}) : super(key: key);
+  const ApiScreen({super.key});
 
   @override
   State<ApiScreen> createState() => _ApiScreenState();
@@ -148,7 +148,7 @@ class _ApiScreenState extends State<ApiScreen> {
     );
   }
 
-  void onUnityMessage(message) {
+  void onUnityMessage(dynamic message) {
     print('Received message from unity: ${message.toString()}');
   }
 
@@ -162,7 +162,7 @@ class _ApiScreenState extends State<ApiScreen> {
   }
 
   // Callback that connects the created controller to the unity controller
-  void onUnityCreated(controller) {
+  void onUnityCreated(UnityWidgetController controller) {
     _unityWidgetController = controller;
   }
 }

example/lib/screens/loader_screen.dart

@@ -5,7 +5,7 @@ import 'package:flutter_unity_widget/flutter_unity_widget.dart';
 import 'package:pointer_interceptor/pointer_interceptor.dart';
 
 class LoaderScreen extends StatefulWidget {
-  const LoaderScreen({Key? key}) : super(key: key);
+  const LoaderScreen({super.key});
 
   @override
   State<LoaderScreen> createState() => _LoaderScreenState();
@@ -82,12 +82,12 @@ class _LoaderScreenState extends State<LoaderScreen> {
     );
   }
 
-  void onUnityMessage(message) {
+  void onUnityMessage(dynamic message) {
     print('Received message from unity: ${message.toString()}');
   }
 
   // Callback that connects the created controller to the unity controller
-  void onUnityCreated(controller) {
+  void onUnityCreated(UnityWidgetController controller) {
     _unityWidgetController = controller;
   }
 }

example/lib/screens/no_interaction_screen.dart

@@ -3,16 +3,13 @@ import 'package:flutter_unity_widget/flutter_unity_widget.dart';
 import 'package:pointer_interceptor/pointer_interceptor.dart';
 
 class NoInteractionScreen extends StatefulWidget {
-  const NoInteractionScreen({Key? key}) : super(key: key);
+  const NoInteractionScreen({super.key});
 
   @override
   State<NoInteractionScreen> createState() => _NoInteractionScreenState();
 }
 
 class _NoInteractionScreenState extends State<NoInteractionScreen> {
-  static final GlobalKey<ScaffoldState> _scaffoldKey =
-      GlobalKey<ScaffoldState>();
-
   UnityWidgetController? _unityWidgetController;
 
   @override
@@ -29,7 +26,6 @@ class _NoInteractionScreenState extends State<NoInteractionScreen> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      key: _scaffoldKey,
       appBar: AppBar(
         title: const Text('No Interaction Screen'),
       ),
@@ -75,7 +71,7 @@ class _NoInteractionScreenState extends State<NoInteractionScreen> {
     );
   }
 
-  void onUnityMessage(message) {
+  void onUnityMessage(dynamic message) {
     print('Received message from unity: ${message.toString()}');
   }
 
@@ -89,7 +85,7 @@ class _NoInteractionScreenState extends State<NoInteractionScreen> {
   }
 
   // Callback that connects the created controller to the unity controller
-  void _onUnityCreated(controller) {
+  void _onUnityCreated(UnityWidgetController controller) {
     controller.resume();
     _unityWidgetController = controller;
   }

example/lib/screens/orientation_screen.dart

@@ -4,7 +4,7 @@ import 'package:flutter_unity_widget/flutter_unity_widget.dart';
 import 'package:pointer_interceptor/pointer_interceptor.dart';
 
 class OrientationScreen extends StatefulWidget {
-  const OrientationScreen({Key? key}) : super(key: key);
+  const OrientationScreen({super.key});
 
   @override
   State<OrientationScreen> createState() => _OrientationScreenState();
@@ -97,12 +97,12 @@ class _OrientationScreenState extends State<OrientationScreen> {
     );
   }
 
-  void onUnityMessage(message) {
+  void onUnityMessage(dynamic message) {
     print('Received message from unity: ${message.toString()}');
   }
 
   // Callback that connects the created controller to the unity controller
-  void onUnityCreated(controller) {
+  void onUnityCreated(UnityWidgetController controller) {
     _unityWidgetController = controller;
   }
 }

example/lib/screens/simple_screen.dart

@@ -3,16 +3,13 @@ import 'package:flutter_unity_widget/flutter_unity_widget.dart';
 import 'package:pointer_interceptor/pointer_interceptor.dart';
 
 class SimpleScreen extends StatefulWidget {
-  const SimpleScreen({Key? key}) : super(key: key);
+  const SimpleScreen({super.key});
 
   @override
   State<SimpleScreen> createState() => _SimpleScreenState();
 }
 
 class _SimpleScreenState extends State<SimpleScreen> {
-  static final GlobalKey<ScaffoldState> _scaffoldKey =
-      GlobalKey<ScaffoldState>();
-
   UnityWidgetController? _unityWidgetController;
   double _sliderValue = 0.0;
 
@@ -30,7 +27,6 @@ class _SimpleScreenState extends State<SimpleScreen> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      key: _scaffoldKey,
       appBar: AppBar(
         title: const Text('Simple Screen'),
       ),
@@ -91,7 +87,7 @@ class _SimpleScreenState extends State<SimpleScreen> {
     );
   }
 
-  void onUnityMessage(message) {
+  void onUnityMessage(dynamic message) {
     print('Received message from unity: ${message.toString()}');
   }
 
@@ -105,7 +101,7 @@ class _SimpleScreenState extends State<SimpleScreen> {
   }
 
   // Callback that connects the created controller to the unity controller
-  void _onUnityCreated(controller) {
+  void _onUnityCreated(UnityWidgetController controller) {
     controller.resume();
     _unityWidgetController = controller;
   }