gesture_handlers

Description:

gesture handlers

Gesture handlers #




Gesture handlers Flutter project.
Provide reusable gesture handler and Support interactive transitions between routes (i.e., controlled by gesture).
Preview #


Installation #
Add gesture_handlers
as a dependency in your pubspec.yaml file.
flutter pub add gesture_handlers
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Import it in your Dart code
import 'package:gesture_handlers/gesture_handlers.dart';
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Usage #
Basic usage #
Initialize concrete GestureHandler implementation.
final tapHandler = TapHandlerDelegate(onTap: () => print('tap handled'));
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Pass handler to GestureListener.
@override
Widget build(BuildContext context) {
return GestureListener(
handler: tapHandler,
child: Scaffold(body: Center(child: Text('Tap'))),
);
}
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Dispose it at the end.
@override
void dispose() {
tapHandler.dispose();
super.dispose();
}
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Route gesture transition #

Initialize NavigatorGesturesFlutterBinding
or use your own NavigatorGesturesBinding implementation
for prevent route GestureHandler active pointers canceling by NavigatorState.

import 'package:gesture_handlers/gesture_handlers.dart';

void main() {
/// Prints information about preventing cancel pointer with [GestureBinding.cancelPointer].
// debugPrintPreventCancelPointer = true;

NavigatorGesturesFlutterBinding.ensureInitialized();
runApp(const MyApp());
}
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Initialize SwipeRouteHandler or your own GestureRouteDelegate implementation.
Use GestureModalBottomSheetRoute, MaterialGesturePageRoute
or create custom gesture route with GestureRouteTransitionMixin.