IgnorePointer works with Stacked AppBars

.dart

import 'package:flutter/material.dart';
import 'package:sliding_up_panel/sliding_up_panel.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('Test'),
        ),
        bottomNavigationBar: Stack(
          children: [
            IgnorePointer(
              child: Container(
                height: 50,
                child: AppBar(
                  actions: [
                    IconButton(
                        icon: Icon(Icons.radio_button_checked),
                        onPressed: () {
                          print('OVER');
                        })
                  ],
                ),
              ),
            ),
            Container(
              height: 50,
              child: AppBar(
                actions: [
                  IconButton(
                      icon: Icon(Icons.radio_button_checked),
                      onPressed: () {
                        print('UNDER');
                      })
                ],
              ),
            ),
          ],
        ));
  }
}