下にドラッグして戻る-flutter

drag_down_to_pop

A page transition which supports drag-down-to-pop gesture. The main source code is copied from the cupertino/route.dart in Flutter SDK with some modifications.

Simplest Usage

Create a new PageRoute to use this page transiaction.

import 'package:drag_down_to_pop/drag_down_to_pop.dart';

class ImageViewerPageRoute extends MaterialPageRoute {
  ImageViewerPageRoute({@required WidgetBuilder builder})
      : super(builder: builder);

  @override
  Widget buildTransitions(BuildContext context, Animation<double> animation,
      Animation<double> secondaryAnimation, Widget child) {
    return const DragDownToPopPageTransitionsBuilder()
        .buildTransitions(this, context, animation, secondaryAnimation, child);
  }
}

// Push to a new page using ImageViewerPageRoute
Navigator.push(
  context,
  ImageViewerPageRoute(builder: (context) => ImageViewerPage()),
);