Created
June 15, 2021 14:29
-
-
Save peleteiro/be35fdb1effb0320b1ab885d1c4d35f1 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import 'package:flutter/material.dart'; | |
import 'package:collection/collection.dart'; | |
import 'package:rxdart/rxdart.dart'; | |
import 'package:simple_gesture_detector/simple_gesture_detector.dart'; | |
enum _Kode { left, right, tap, longPress } | |
const List<_Kode> _konamiCode = [_Kode.left, _Kode.right, _Kode.left, _Kode.right, _Kode.tap, _Kode.longPress]; | |
class KonamiCodeTrigger extends StatefulWidget { | |
final VoidCallback action; | |
final Widget child; | |
KonamiCodeTrigger({required this.action, required this.child}); | |
@override | |
_KonamiCodeTriggerState createState() => _KonamiCodeTriggerState(); | |
} | |
class _KonamiCodeTriggerState extends State<KonamiCodeTrigger> { | |
ReplaySubject<_Kode> codes = ReplaySubject(maxSize: _konamiCode.length); | |
_KonamiCodeTriggerState() { | |
codes // | |
.bufferCount(_konamiCode.length, 1) | |
.where((actualCode) => const IterableEquality<_Kode>().equals(actualCode, _konamiCode)) | |
.listen((_) => widget.action()); | |
} | |
@override | |
Widget build(BuildContext context) { | |
return SimpleGestureDetector( | |
onHorizontalSwipe: (d) => d == SwipeDirection.left ? codes.add(_Kode.left) : codes.add(_Kode.right), | |
onTap: () => codes.add(_Kode.tap), | |
onLongPress: () => codes.add(_Kode.longPress), | |
child: widget.child, | |
); | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment