Handle most linter errors from flutter analyze.

Author: timbotimbo

analysis_options.yaml

@@ -1 +1,2 @@
-analyzer:
+include: package:lints/recommended.yaml
+

example/lib/screens/api_screen.dart

@@ -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

@@ -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

@@ -75,7 +75,7 @@ class _NoInteractionScreenState extends State<NoInteractionScreen> {
     );
   }
 
-  void onUnityMessage(message) {
+  void onUnityMessage(dynamic message) {
     print('Received message from unity: ${message.toString()}');
   }
 
@@ -89,7 +89,7 @@ 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

@@ -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

@@ -91,7 +91,7 @@ class _SimpleScreenState extends State<SimpleScreen> {
     );
   }
 
-  void onUnityMessage(message) {
+  void onUnityMessage(dynamic message) {
     print('Received message from unity: ${message.toString()}');
   }
 
@@ -105,7 +105,7 @@ 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;
   }

lib/src/facade_controller.dart

@@ -1,4 +1,4 @@
-typedef void UnityCreatedCallback(UnityWidgetController controller);
+typedef UnityCreatedCallback = void Function(UnityWidgetController controller);
 
 abstract class UnityWidgetController {
   static dynamic webRegistrar;

lib/src/facade_widget.dart

@@ -77,7 +77,7 @@ class UnityWidget extends StatefulWidget {
   final TextDirection? layoutDirection;
 
   @override
-  _UnityWidgetState createState() => _UnityWidgetState();
+  State<UnityWidget> createState() => _UnityWidgetState();
 }
 
 class _UnityWidgetState extends State<UnityWidget> {

lib/src/helpers/misc.dart

@@ -12,6 +12,7 @@ class UnknownUnityIDError extends Error {
   /// Message describing the assertion error.
   final Object? message;
 
+  @override
   String toString() {
     if (message != null) {
       return "Unknown unity ID $unityId: ${Error.safeToString(message)}";
@@ -20,8 +21,8 @@ class UnknownUnityIDError extends Error {
   }
 }
 
-typedef void UnityMessageCallback(dynamic handler);
+typedef UnityMessageCallback = void Function(dynamic handler);
 
-typedef void UnitySceneChangeCallback(SceneLoaded? message);
+typedef UnitySceneChangeCallback = void Function(SceneLoaded? message);
 
-typedef void UnityUnloadCallback();
+typedef UnityUnloadCallback = void Function();

lib/src/io/device_method.dart

@@ -158,6 +158,7 @@ class MethodChannelUnityWidget extends UnityWidgetPlatform {
     bool? unityWebSource,
     String? unitySrcUrl,
   }) {
+    // ignore: no_leading_underscores_for_local_identifiers
     final String _viewType = 'plugin.xraph.com/unity_view';
 
     if (useAndroidViewSurf != null) useAndroidViewSurface = useAndroidViewSurf;