import 'package:flutter/material.dart'; Route settingsRoute(Widget widget) { return PageRouteBuilder( pageBuilder: (context, animation, secondaryAnimation) => widget, transitionDuration: const Duration(milliseconds: 500), transitionsBuilder: (context, animation, secondaryAnimation, child) { var curve = Curves.ease; var curveTween = CurveTween(curve: curve); var begin = const Offset(0.0, 1.0); var end = Offset.zero; var tween = Tween(begin: begin, end: end).chain(curveTween); var offsetAnimation = animation.drive(tween); return SlideTransition( position: offsetAnimation, child: child, ); }, ); }