Final chapter: migrate api doc samples to super-parameters (#104007)

Author: goderbauer

examples/api/analysis_options.yaml

@@ -6,7 +6,3 @@ linter:
   rules:
     # Samples want to print things pretty often.
     avoid_print: false
-    # TODO(goderbauer): enable when super params are more established and
-    #   seeing them in the API samples is no longer surprising,
-    #   https://github.com/flutter/flutter/issues/101068
-    use_super_parameters: false

examples/api/lib/animation/curves/curve2_d.0.dart

@@ -9,7 +9,7 @@ import 'package:flutter/material.dart';
 void main() => runApp(const MyApp());
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   static const String _title = 'Flutter Code Sample';
 
@@ -43,12 +43,12 @@ final CatmullRomSpline path = CatmullRomSpline(
 
 class FollowCurve2D extends StatefulWidget {
   const FollowCurve2D({
-    Key? key,
+    super.key,
     required this.path,
     this.curve = Curves.easeInOut,
     required this.child,
     this.duration = const Duration(seconds: 1),
-  }) : super(key: key);
+  });
 
   final Curve2D path;
   final Curve curve;
@@ -97,7 +97,7 @@ class _FollowCurve2DState extends State<FollowCurve2D>
 }
 
 class MyStatelessWidget extends StatelessWidget {
-  const MyStatelessWidget({Key? key}) : super(key: key);
+  const MyStatelessWidget({super.key});
 
   @override
   Widget build(BuildContext context) {

examples/api/lib/cupertino/activity_indicator/cupertino_activity_indicator.0.dart

@@ -9,7 +9,7 @@ import 'package:flutter/cupertino.dart';
 void main() => runApp(const CupertinoIndicatorApp());
 
 class CupertinoIndicatorApp extends StatelessWidget {
-  const CupertinoIndicatorApp({Key? key}) : super(key: key);
+  const CupertinoIndicatorApp({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -21,7 +21,7 @@ class CupertinoIndicatorApp extends StatelessWidget {
 }
 
 class CupertinoIndicatorExample extends StatelessWidget {
-  const CupertinoIndicatorExample({Key? key}) : super(key: key);
+  const CupertinoIndicatorExample({super.key});
 
   @override
   Widget build(BuildContext context) {

examples/api/lib/cupertino/bottom_tab_bar/cupertino_tab_bar.0.dart

@@ -9,7 +9,7 @@ import 'package:flutter/cupertino.dart';
 void main() => runApp(const CupertinoTabBarApp());
 
 class CupertinoTabBarApp extends StatelessWidget {
-  const CupertinoTabBarApp({Key? key}) : super(key: key);
+  const CupertinoTabBarApp({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -21,7 +21,7 @@ class CupertinoTabBarApp extends StatelessWidget {
 }
 
 class CupertinoTabBarExample extends StatelessWidget {
-  const CupertinoTabBarExample({Key? key}) : super(key: key);
+  const CupertinoTabBarExample({super.key});
 
   @override
   Widget build(BuildContext context) {

examples/api/lib/cupertino/button/cupertino_button.0.dart

@@ -9,7 +9,7 @@ import 'package:flutter/cupertino.dart';
 void main() => runApp(const CupertinoButtonApp());
 
 class CupertinoButtonApp extends StatelessWidget {
-  const CupertinoButtonApp({Key? key}) : super(key: key);
+  const CupertinoButtonApp({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -21,7 +21,7 @@ class CupertinoButtonApp extends StatelessWidget {
 }
 
 class CupertinoButtonExample extends StatelessWidget {
-  const CupertinoButtonExample({Key? key}) : super(key: key);
+  const CupertinoButtonExample({super.key});
 
   @override
   Widget build(BuildContext context) {

examples/api/lib/cupertino/context_menu/cupertino_context_menu.0.dart

@@ -10,7 +10,7 @@ import 'package:flutter/material.dart';
 void main() => runApp(const ContextMenuApp());
 
 class ContextMenuApp extends StatelessWidget {
-  const ContextMenuApp({Key? key}) : super(key: key);
+  const ContextMenuApp({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -22,7 +22,7 @@ class ContextMenuApp extends StatelessWidget {
 }
 
 class ContextMenuExample extends StatelessWidget {
-  const ContextMenuExample({Key? key}) : super(key: key);
+  const ContextMenuExample({super.key});
 
   @override
   Widget build(BuildContext context) {

examples/api/lib/cupertino/date_picker/cupertino_date_picker.0.dart

@@ -9,7 +9,7 @@ import 'package:flutter/cupertino.dart';
 void main() => runApp(const DatePickerApp());
 
 class DatePickerApp extends StatelessWidget {
-  const DatePickerApp({Key? key}) : super(key: key);
+  const DatePickerApp({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -21,7 +21,7 @@ class DatePickerApp extends StatelessWidget {
 }
 
 class DatePickerExample extends StatefulWidget {
-  const DatePickerExample({Key? key}) : super(key: key);
+  const DatePickerExample({super.key});
 
   @override
   State<DatePickerExample> createState() => _DatePickerExampleState();

examples/api/lib/cupertino/date_picker/cupertino_timer_picker.0.dart

@@ -9,7 +9,7 @@ import 'package:flutter/cupertino.dart';
 void main() => runApp(const TimerPickerApp());
 
 class TimerPickerApp extends StatelessWidget {
-  const TimerPickerApp({Key? key}) : super(key: key);
+  const TimerPickerApp({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -21,7 +21,7 @@ class TimerPickerApp extends StatelessWidget {
 }
 
 class TimerPickerExample extends StatefulWidget {
-  const TimerPickerExample({Key? key}) : super(key: key);
+  const TimerPickerExample({super.key});
 
   @override
   State<TimerPickerExample> createState() => _TimerPickerExampleState();

examples/api/lib/cupertino/dialog/cupertino_action_sheet.0.dart

@@ -9,7 +9,7 @@ import 'package:flutter/cupertino.dart';
 void main() => runApp(const ActionSheetApp());
 
 class ActionSheetApp extends StatelessWidget {
-  const ActionSheetApp({Key? key}) : super(key: key);
+  const ActionSheetApp({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -21,7 +21,7 @@ class ActionSheetApp extends StatelessWidget {
 }
 
 class ActionSheetExample extends StatelessWidget {
-  const ActionSheetExample({Key? key}) : super(key: key);
+  const ActionSheetExample({super.key});
 
   // This shows a CupertinoModalPopup which hosts a CupertinoActionSheet.
   void _showActionSheet(BuildContext context) {

examples/api/lib/cupertino/dialog/cupertino_alert_dialog.0.dart

@@ -9,7 +9,7 @@ import 'package:flutter/cupertino.dart';
 void main() => runApp(const AlertDialogApp());
 
 class AlertDialogApp extends StatelessWidget {
-  const AlertDialogApp({Key? key}) : super(key: key);
+  const AlertDialogApp({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -21,7 +21,7 @@ class AlertDialogApp extends StatelessWidget {
 }
 
 class AlertDialogExample extends StatelessWidget {
-  const AlertDialogExample({Key? key}) : super(key: key);
+  const AlertDialogExample({super.key});
 
   // This shows a CupertinoModalPopup which hosts a CupertinoAlertDialog.
   void _showAlertDialog(BuildContext context) {