import 'package:flutter/material.dart'; class HeroDialogRoute<T> extends PageRoute<T> { HeroDialogRoute({required this.builder}) : super(); final WidgetBuilder builder; @override bool get opaque => false; @override bool get barrierDismissible => true; @override String? get barrierLabel => "livecard"; @override Duration get transitionDuration => const Duration(milliseconds: 250); @override bool get maintainState => true; @override Color get barrierColor => Colors.black38; @override Widget buildTransitions(BuildContext context, Animation<double> animation, Animation<double> secondaryAnimation, Widget child) { return FadeTransition(opacity: CurvedAnimation(parent: animation, curve: Curves.easeOut), child: child); } @override Widget buildPage(BuildContext context, Animation<double> animation, Animation<double> secondaryAnimation) { return builder(context); } }