For Hero Transitions Within Dialogs

hero_dialog_route.dart

import 'package:chaseapp/src/const/other.dart';
import 'package:flutter/material.dart';

// https://github.com/flutter/flutter/issues/10667
//  Navigator.push(
//      context,
//      HeroDialogRoute<void>(
//          builder: (context) {
//         return Dialog();
//      },
//   ),
//  );

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
  Duration get transitionDuration => const Duration(milliseconds: 300);

  @override
  bool get maintainState => true;

  @override
  Color get barrierColor => Colors.black54;

  @override
  Widget buildTransitions(BuildContext context, Animation<double> animation,
      Animation<double> secondaryAnimation, Widget child) {
    return new FadeTransition(
      opacity: new CurvedAnimation(
        parent: animation,
        curve: primaryCurve,
      ),
      child: child,
    );
  }

  @override
  Widget buildPage(BuildContext context, Animation<double> animation,
      Animation<double> secondaryAnimation) {
    return builder(context);
  }

  @override
  // TODO: implement barrierLabel
  String? get barrierLabel => "Dismissable Dialog";
}