Enforce use_key_in_widget_constructors and file_names lints (#913)

* Start enforcing use_key_in_widget_constructors and file_names lints

* dart format

* analysis fixes

* analysis fixes, pt2

* analysis fixes, part 3

* Revert platform_design (test failure)

* More reverts

* Notate why we aren't enforcing a lint

web/filipino_cuisine/analysis_options.yaml

@@ -17,4 +17,3 @@ linter:
     test_types_in_equals: true
     throw_in_finally: true
     unnecessary_statements: true
-    use_key_in_widget_constructors: false

web/filipino_cuisine/lib/cook.dart

@@ -5,7 +5,8 @@ class Cook extends StatefulWidget {
   final String? img;
   final String? nme;
 
-  const Cook(this.dr, this.img, this.nme);
+  const Cook(this.dr, this.img, this.nme, {Key? key}) : super(key: key);
+
   @override
   CState createState() => CState();
 }

web/filipino_cuisine/lib/flutter_swiper.dart

@@ -1423,7 +1423,8 @@ class SwiperPluginView extends StatelessWidget {
   final SwiperPlugin plugin;
   final SwiperPluginConfig config;
 
-  const SwiperPluginView(this.plugin, this.config);
+  const SwiperPluginView(this.plugin, this.config, {Key? key})
+      : super(key: key);
 
   @override
   Widget build(BuildContext context) {

web/filipino_cuisine/lib/main.dart

@@ -5,16 +5,17 @@ import 'package:http/http.dart' as http;
 import 'cook.dart';
 import 'flutter_swiper.dart';
 
-void main() => runApp(MyApp());
+void main() => runApp(const MyApp());
 
 class MyApp extends StatelessWidget {
-  final _themeData = ThemeData(
-    brightness: Brightness.light,
-    iconTheme: const IconThemeData(color: Colors.red),
-  );
+  const MyApp({Key? key}) : super(key: key);
 
   @override
   Widget build(context) {
+    final _themeData = ThemeData(
+      brightness: Brightness.light,
+      iconTheme: const IconThemeData(color: Colors.red),
+    );
     return MaterialApp(
         theme: _themeData.copyWith(
           colorScheme: _themeData.colorScheme.copyWith(
@@ -22,11 +23,13 @@ class MyApp extends StatelessWidget {
           ),
         ),
         title: "Filipino Cuisine",
-        home: Home());
+        home: const Home());
   }
 }
 
 class Home extends StatefulWidget {
+  const Home({Key? key}) : super(key: key);
+
   @override
   HState createState() => HState();
 }

web/filipino_cuisine/lib/transformer_page_view.dart

@@ -141,7 +141,8 @@ class ParallaxColor extends StatefulWidget {
     required this.colors,
     required this.info,
     required this.child,
-  });
+    Key? key,
+  }) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {
@@ -159,7 +160,9 @@ class ParallaxContainer extends StatelessWidget {
       {required this.child,
       required this.position,
       this.translationFactor = 100.0,
-      this.opacityFactor = 1.0});
+      this.opacityFactor = 1.0,
+      Key? key})
+      : super(key: key);
 
   @override
   Widget build(BuildContext context) {
@@ -178,13 +181,14 @@ class ParallaxImage extends StatelessWidget {
   final double imageFactor;
 
   ParallaxImage.asset(String name,
-      {required double position, this.imageFactor = 0.3})
+      {required double position, this.imageFactor = 0.3, Key? key})
       : image = Image.asset(name,
             fit: BoxFit.cover,
             alignment: FractionalOffset(
               0.5 + position * imageFactor,
               0.5,
-            ));
+            )),
+        super(key: key);
 
   @override
   Widget build(BuildContext context) {

web/filipino_cuisine/pubspec.lock

@@ -14,7 +14,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:

web/samples_index/analysis_options.yaml

@@ -19,4 +19,3 @@ linter:
     test_types_in_equals: true
     throw_in_finally: true
     unnecessary_statements: true
-    use_key_in_widget_constructors: false