rename Badge to SampleBadage to avoid naming conflict after upgrading to flutter 3.7

Author: avenwu

example/lib/components/chip_item.dart

@@ -22,15 +22,15 @@ import '../model/badge.dart';
 class ChipItem extends StatelessWidget {
   const ChipItem(this.chips, this.selectedChip, this.onChanged);
 
-  final List<Badge?> chips;
-  final Badge? selectedChip;
-  final ValueChanged<Badge?> onChanged;
+  final List<SampleBadge?> chips;
+  final SampleBadge? selectedChip;
+  final ValueChanged<SampleBadge?> onChanged;
 
   @override
   Widget build(BuildContext context) {
     return Row(
       mainAxisAlignment: MainAxisAlignment.spaceEvenly,
-      children: chips.map<Widget>((Badge? chip) {
+      children: chips.map<Widget>((SampleBadge? chip) {
         return GestureDetector(
           onTap: () => onChanged(chip),
           child: Container(

example/lib/data.dart

@@ -63,10 +63,10 @@ class Data {
   ];
   static const badges = [
     null,
-    Badge('1'),
-    Badge('hot',
+    SampleBadge('1'),
+    SampleBadge('hot',
         badgeColor: Colors.orange, padding: EdgeInsets.only(left: 7, right: 7)),
-    Badge('99+', borderRadius: 2)
+    SampleBadge('99+', borderRadius: 2)
   ];
 
   static const curves = [

example/lib/default_appbar_demo.dart

@@ -98,7 +98,7 @@ class _State extends State<DefaultAppBarDemo>
   Color _barColor = Data.namedColors.first.color;
   Color _shadowColor = Data.namedColors.first.color;
   Gradient? _gradient = Data.gradients.first;
-  Badge? _badge;
+  SampleBadge? _badge;
   TabController? _tabController;
   TextDirection _textDirection = TextDirection.ltr;
 
@@ -269,7 +269,7 @@ class _State extends State<DefaultAppBarDemo>
     });
   }
 
-  void _onBadgeChanged(Badge? value) {
+  void _onBadgeChanged(SampleBadge? value) {
     setState(() {
       _badge = value;
     });

example/lib/model/badge.dart

@@ -16,14 +16,14 @@
 
 import 'package:flutter/material.dart';
 
-class Badge {
+class SampleBadge {
   final Color? color;
   final Color? badgeColor;
   final EdgeInsets? padding;
   final double? borderRadius;
   final String text;
 
-  const Badge(
+  const SampleBadge(
     this.text, {
     this.color,
     this.badgeColor,