如何在flutter默认应用栏上使用splashFactory: NoSplash.splashFactory后退按钮？

import 'package:flutter/material.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Flutter App'),
        leading: IconButton(
          icon: Icon(Icons.arrow_back),
          onPressed: () {
            // 处理后退按钮点击事件
            Navigator.of(context).pop();
          },
        ),
      ),
      body: Center(
        child: Text('Hello, World!'),
      ),
    );
  }
}