import 'package:flutter/widgets.dart';

PageRouteBuilder<dynamic> fadeTransition(Widget nextScreen) {
  return PageRouteBuilder(
    pageBuilder: (context, animation, secondaryAnimation) => nextScreen,
    transitionsBuilder: (context, animation, secondaryAnimation, child) {
      return FadeTransition(
        opacity: animation,
        child: child,
      );
    },
    transitionDuration: Duration(milliseconds: 500)
  );
}