add some demo

Author: xdd666t

example/lib/demo/issue266.dart

@@ -0,0 +1,52 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    SmartDialog.config.toast = SmartConfigToast(
+      displayType: SmartToastType.last,
+    );
+    return MaterialApp(
+      title: 'NestedScrollView 解决方案',
+      theme: ThemeData(
+        primarySwatch: Colors.blue,
+        useMaterial3: true,
+      ),
+      builder: FlutterSmartDialog.init(),
+      home: const NestedScrollSolution(),
+    );
+  }
+}
+
+class NestedScrollSolution extends StatefulWidget {
+  const NestedScrollSolution({super.key});
+
+  @override
+  State createState() => _NestedScrollSolutionState();
+}
+
+class _NestedScrollSolutionState extends State {
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      floatingActionButton: FloatingActionButton(
+        onPressed: () {
+          SmartDialog.showToast("已经是最大回合数");
+        },
+        child: const Icon(Icons.shopping_cart),
+      ),
+    );
+  }
+}

example/lib/main.dart

@@ -36,7 +36,7 @@ class SmartDialogPage extends StatelessWidget {
       appBar: AppBar(title: const Text('SmartDialog-EasyDemo')),
       body: Container(
         margin: const EdgeInsets.all(30),
-        child: Wrap(spacing: 20, children: [
+        child: Wrap(spacing: 20, runSpacing: 20, children: [
           //toast
           ElevatedButton(
             onPressed: () => _showToast(),