import 'package:flutter/material.dart';

void main() => runApp(const MyApp());

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      showSemanticsDebugger: true,
      home: Example(),
    );
  }
}

class Example extends StatefulWidget {
  const Example({super.key});

  @override
  State<Example> createState() => _ExampleState();
}

class _ExampleState extends State<Example> {
  FocusNode focusNode1 = FocusNode();
  FocusNode focusNode2 = FocusNode();

  @override
  void dispose() {
    focusNode1.dispose();
    focusNode2.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Example'),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
          children: <Widget>[
            FocusableActionDetector(
              focusNode: focusNode1,
              onFocusChange: (bool value) {
                print('FocusableActionDetector.onFocusChange called');
              },
              // includeFocusSemantics: false, // This is passed to internal Focus widget.
              child: Container(
                width: 50,
                height: 50,
                color: Colors.red,
              ),
            ),
            Focus(
              focusNode: focusNode2,
              onFocusChange: (bool value) {
                print('Focus.onFocusChange called');
              },
              includeSemantics: false,
              child: Container(
                width: 50,
                height: 50,
                color: Colors.blue,
              ),
            )
          ],
        ),
      ),
    );
  }
}