Prepare examples for use_super_parameters (#100514)

examples/flutter_view/lib/main.dart

@@ -11,7 +11,7 @@ void main() {
 }
 
 class FlutterView extends StatelessWidget {
-  const FlutterView({Key? key}) : super(key: key);
+  const FlutterView({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -26,7 +26,7 @@ class FlutterView extends StatelessWidget {
 }
 
 class MyHomePage extends StatefulWidget {
-  const MyHomePage({Key? key}) : super(key: key);
+  const MyHomePage({super.key});
 
   @override
   State<MyHomePage> createState() => _MyHomePageState();

examples/flutter_view/pubspec.yaml

@@ -2,7 +2,7 @@ name: flutter_view
 description: A new flutter project.
 
 environment:
-  sdk: ">=2.12.0-0 <3.0.0"
+  sdk: ">=2.17.0-0 <3.0.0"
 
 dependencies:
   flutter:

examples/hello_world/pubspec.yaml

@@ -1,7 +1,7 @@
 name: hello_world
 
 environment:
-  sdk: ">=2.12.0-0 <3.0.0"
+  sdk: ">=2.17.0-0 <3.0.0"
 
 dependencies:
   flutter:

examples/image_list/lib/main.dart

@@ -124,7 +124,7 @@ const int IMAGES = 50;
 
 @immutable
 class MyApp extends StatelessWidget {
-  const MyApp(this.port, {Key? key}) : super(key: key);
+  const MyApp(this.port, {super.key});
 
   final int port;
 
@@ -141,7 +141,7 @@ class MyApp extends StatelessWidget {
 }
 
 class MyHomePage extends StatefulWidget {
-  const MyHomePage({Key? key, required this.title, required this.port}) : super(key: key);
+  const MyHomePage({super.key, required this.title, required this.port});
   final String title;
   final int port;
 

examples/image_list/pubspec.yaml

@@ -4,7 +4,7 @@ description: Simple Flutter project used for benchmarking image loading over net
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.12.0-0 <3.0.0"
+  sdk: ">=2.17.0-0 <3.0.0"
 
 dependencies:
   flutter:

examples/layers/pubspec.yaml

@@ -1,7 +1,7 @@
 name: flutter_examples_layers
 
 environment:
-  sdk: ">=2.12.0-0 <3.0.0"
+  sdk: ">=2.17.0-0 <3.0.0"
 
 dependencies:
   flutter:

examples/layers/rendering/src/sector_layout.dart

@@ -198,7 +198,7 @@ abstract class RenderDecoratedSector extends RenderSector {
 class SectorChildListParentData extends SectorParentData with ContainerParentDataMixin<RenderSector> { }
 
 class RenderSectorWithChildren extends RenderDecoratedSector with ContainerRenderObjectMixin<RenderSector, SectorChildListParentData> {
-  RenderSectorWithChildren(BoxDecoration? decoration) : super(decoration);
+  RenderSectorWithChildren(super.decoration);
 
   @override
   void hitTestChildren(SectorHitTestResult result, { required double radius, required double theta }) {
@@ -620,7 +620,7 @@ class SectorHitTestResult extends HitTestResult {
   ///
   ///  * [HitTestResult.wrap], which turns a [SectorHitTestResult] back into a
   ///    generic [HitTestResult].
-  SectorHitTestResult.wrap(HitTestResult result) : super.wrap(result);
+  SectorHitTestResult.wrap(super.result) : super.wrap();
 
   // TODO(goderbauer): Add convenience methods to transform hit test positions
   //    once we have RenderSector implementations that move the origin of their
@@ -632,10 +632,9 @@ class SectorHitTestEntry extends HitTestEntry {
   /// Creates a box hit test entry.
   ///
   /// The [radius] and [theta] argument must not be null.
-  SectorHitTestEntry(RenderSector target, { required this.radius,  required this.theta })
+  SectorHitTestEntry(RenderSector super.target, { required this.radius,  required this.theta })
       : assert(radius != null),
-        assert(theta != null),
-        super(target);
+        assert(theta != null);
 
   @override
   RenderSector get target => super.target as RenderSector;

examples/layers/services/isolate.dart

@@ -197,7 +197,7 @@ class CalculationManager {
 // This is a StatefulWidget in order to hold the CalculationManager and
 // the AnimationController for the running animation.
 class IsolateExampleWidget extends StatefulWidget {
-  const IsolateExampleWidget({Key? key}) : super(key: key);
+  const IsolateExampleWidget({super.key});
 
   @override
   IsolateExampleState createState() => IsolateExampleState();

examples/layers/services/lifecycle.dart

@@ -5,7 +5,7 @@
 import 'package:flutter/widgets.dart';
 
 class LifecycleWatcher extends StatefulWidget {
-  const LifecycleWatcher({ Key? key }) : super(key: key);
+  const LifecycleWatcher({ super.key });
 
   @override
   State<LifecycleWatcher> createState() => _LifecycleWatcherState();

examples/layers/widgets/custom_render_box.dart

@@ -39,7 +39,7 @@ class RenderDots extends RenderConstrainedBox {
 }
 
 class Dots extends SingleChildRenderObjectWidget {
-  const Dots({ Key? key, Widget? child }) : super(key: key, child: child);
+  const Dots({ super.key, super.child });
 
   @override
   RenderDots createRenderObject(BuildContext context) => RenderDots();

examples/layers/widgets/gestures.dart

@@ -56,7 +56,7 @@ class _GesturePainter extends CustomPainter {
 }
 
 class GestureDemo extends StatefulWidget {
-  const GestureDemo({Key? key}) : super(key: key);
+  const GestureDemo({super.key});
 
   @override
   GestureDemoState createState() => GestureDemoState();

examples/layers/widgets/media_query.dart

@@ -5,7 +5,7 @@
 import 'package:flutter/material.dart';
 
 class AdaptedListItem extends StatelessWidget {
-  const AdaptedListItem({ Key? key, required this.name }) : super(key: key);
+  const AdaptedListItem({ super.key, required this.name });
 
   final String name;
 
@@ -26,7 +26,7 @@ class AdaptedListItem extends StatelessWidget {
 }
 
 class AdaptedGridItem extends StatelessWidget {
-  const AdaptedGridItem({ Key? key, required this.name }) : super(key: key);
+  const AdaptedGridItem({ super.key, required this.name });
 
   final String name;
 
@@ -65,7 +65,7 @@ const double _kMaxTileWidth = 150.0;
 const double _kGridViewBreakpoint = 450.0;
 
 class AdaptiveContainer extends StatelessWidget {
-  const AdaptiveContainer({ Key? key, required this.names }) : super(key: key);
+  const AdaptiveContainer({ super.key, required this.names });
 
   final List<String> names;
 

examples/layers/widgets/sectors.dart

@@ -16,7 +16,7 @@ RenderBoxToRenderSectorAdapter initCircle() {
 }
 
 class SectorApp extends StatefulWidget {
-  const SectorApp({Key? key}) : super(key: key);
+  const SectorApp({super.key});
 
   @override
   SectorAppState createState() => SectorAppState();

examples/layers/widgets/spinning_mixed.dart

@@ -17,7 +17,7 @@ void addFlexChildSolidColor(RenderFlex parent, Color backgroundColor, { int flex
 
 // Solid color, Widget version
 class Rectangle extends StatelessWidget {
-  const Rectangle(this.color, { Key? key }) : super(key: key);
+  const Rectangle(this.color, { super.key });
 
   final Color color;
 

examples/layers/widgets/spinning_square.dart

@@ -5,7 +5,7 @@
 import 'package:flutter/widgets.dart';
 
 class SpinningSquare extends StatefulWidget {
-  const SpinningSquare({Key? key}) : super(key: key);
+  const SpinningSquare({super.key});
 
   @override
   State<SpinningSquare> createState() => _SpinningSquareState();

examples/layers/widgets/styled_text.dart

@@ -58,7 +58,7 @@ Widget toStyledText(String name, String text) {
 Widget toPlainText(String name, String text) => Text('$name:$text');
 
 class SpeakerSeparator extends StatelessWidget {
-  const SpeakerSeparator({Key? key}) : super(key: key);
+  const SpeakerSeparator({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -75,7 +75,7 @@ class SpeakerSeparator extends StatelessWidget {
 }
 
 class StyledTextDemo extends StatefulWidget {
-  const StyledTextDemo({Key? key}) : super(key: key);
+  const StyledTextDemo({super.key});
 
   @override
   State<StyledTextDemo> createState() => _StyledTextDemoState();

examples/platform_channel/lib/main.dart

@@ -8,7 +8,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 
 class PlatformChannel extends StatefulWidget {
-  const PlatformChannel({Key? key}) : super(key: key);
+  const PlatformChannel({super.key});
 
   @override
   State<PlatformChannel> createState() => _PlatformChannelState();

examples/platform_channel/pubspec.yaml

@@ -1,7 +1,7 @@
 name: platform_channel
 
 environment:
-  sdk: ">=2.12.0-0 <3.0.0"
+  sdk: ">=2.17.0-0 <3.0.0"
 
 dependencies:
   flutter:

examples/platform_channel_swift/lib/main.dart

@@ -8,7 +8,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 
 class PlatformChannel extends StatefulWidget {
-  const PlatformChannel({Key? key}) : super(key: key);
+  const PlatformChannel({super.key});
 
   @override
   State<PlatformChannel> createState() => _PlatformChannelState();

examples/platform_channel_swift/pubspec.yaml

@@ -1,7 +1,7 @@
 name: platform_channel_swift
 
 environment:
-  sdk: ">=2.12.0-0 <3.0.0"
+  sdk: ">=2.17.0-0 <3.0.0"
 
 dependencies:
   flutter:

examples/platform_view/lib/main.dart

@@ -12,7 +12,7 @@ void main() {
 }
 
 class PlatformView extends StatelessWidget {
-  const PlatformView({Key? key}) : super(key: key);
+  const PlatformView({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -27,7 +27,7 @@ class PlatformView extends StatelessWidget {
 }
 
 class MyHomePage extends StatefulWidget {
-  const MyHomePage({Key? key, required this.title}) : super(key: key);
+  const MyHomePage({super.key, required this.title});
 
   final String title;
 

examples/platform_view/pubspec.yaml

@@ -1,7 +1,7 @@
 name: platform_view
 
 environment:
-  sdk: ">=2.12.0-0 <3.0.0"
+  sdk: ">=2.17.0-0 <3.0.0"
 
 dependencies:
   flutter:

examples/splash/pubspec.yaml

@@ -1,7 +1,7 @@
 name: splash
 
 environment:
-  sdk: ">=2.12.0-0 <3.0.0"
+  sdk: ">=2.17.0-0 <3.0.0"
 
 dependencies:
   flutter: