PageRouteBuilder

Navigator.push(context, SwipePageRoute(widget: UsersBusiness()));

import 'package:flutter/cupertino.dart';

class SwipePageRoute extends PageRouteBuilder {
  final Widget widget;
  SwipePageRoute({this.widget})
      : super(
            transitionDuration: Duration(milliseconds: 400),
            transitionsBuilder: (BuildContext context,
                Animation<double> animation,
                Animation<double> secAnimation,
                Widget child) {
              animation = CurvedAnimation(
                  parent: animation, curve: Curves.fastOutSlowIn);
              return ScaleTransition(
                child: child,
                scale: animation,
                alignment: Alignment.center,
              );
            },
            pageBuilder: (BuildContext context, Animation<double> animation,
                Animation<double> secAnimation) {
              return widget;
            });
}