ente/lib/utils/navigation_util.dart

import 'package:flutter/material.dart';

void routeToPage(BuildContext context, Widget page) {
  Navigator.of(context).push(
    PageRouteBuilder(
      pageBuilder: (BuildContext context, Animation<double> animation,
          Animation<double> secondaryAnimation) {
        return page;
      },
      transitionsBuilder: (BuildContext context, Animation<double> animation,
          Animation<double> secondaryAnimation, Widget child) {
        return Align(
          child: FadeTransition(
            opacity: animation,
            child: child,
          ),
        );
      },
      transitionDuration: Duration(milliseconds: 200),
      opaque: false,
    ),
  );
}