import 'package:flutter/cupertino.dart'; import 'package:flutter/material.dart'; import '../components/adaptive_page_layout.dart'; class AppRoute extends PageRouteBuilder { static Route defaultRoute(BuildContext context, Widget page) { return context != null && !AdaptivePageLayout.columnMode(context) ? CupertinoPageRoute( builder: (BuildContext context) => page, ) : AppRoute(page); } final Widget page; AppRoute(this.page) : super( pageBuilder: ( BuildContext context, Animation animation, Animation secondaryAnimation, ) => page, transitionsBuilder: ( BuildContext context, Animation animation, Animation secondaryAnimation, Widget child, ) => FadeTransition( opacity: animation, child: child, ), ); }