bug.dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';

// Pressing SHIFT + N (first SHIFT, then N) works on Web but not Mac 

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

class KeyboardShortcut extends StatefulWidget {
  @override
  _KeyboardShortcutState createState() => _KeyboardShortcutState();
}

class _KeyboardShortcutState extends State<KeyboardShortcut> {
  int pressed;

  @override
  void initState() {
    super.initState();
    pressed = 0;
    RawKeyboard.instance.addListener((event) {
      if (event.isShiftPressed && event.isKeyPressed(LogicalKeyboardKey.keyN)) {
        print('Pressed Shortcut');
        setState(() {
          pressed += 1;
        });
      }
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(home: Center(child: Text('Pressed $pressed times.')));
  }
}