change page navigation

lib/pages/shipment/shipment_editor.dart

@@ -22,6 +22,7 @@ import 'package:fcs/pages/widgets/local_title.dart';
 import 'package:fcs/pages/widgets/multi_img_controller.dart';
 import 'package:fcs/pages/widgets/progress.dart';
 import 'package:fcs/pages/widgets/title_with_add_button.dart';
+import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_icons/flutter_icons.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
@@ -154,9 +155,10 @@ class _ShipmentEditorState extends State<ShipmentEditor> {
       onTap: () async {
         DeliveryAddress d = await Navigator.push<DeliveryAddress>(
           context,
-          BottomUpPageRoute(DeliveryAddressSelection(
-            deliveryAddress: _pickupAddress,
-          )),
+          CupertinoPageRoute(
+              builder: (context) => DeliveryAddressSelection(
+                    deliveryAddress: _pickupAddress,
+                  )),
         );
         if (d == null) return;
         setState(() {
@@ -187,7 +189,7 @@ class _ShipmentEditorState extends State<ShipmentEditor> {
           centerTitle: true,
           leading: new IconButton(
             icon: new Icon(
-              Icons.close,
+              CupertinoIcons.back,
               color: primaryColor,
             ),
             onPressed: () => Navigator.of(context).pop(),
@@ -234,7 +236,8 @@ class _ShipmentEditorState extends State<ShipmentEditor> {
                   onPressed: () {
                     Navigator.push(
                       context,
-                      BottomUpPageRoute(ShipmentBoxEditor()),
+                      CupertinoPageRoute(
+                          builder: (context) => ShipmentBoxEditor()),
                     );
                   },
                 ),
@@ -257,8 +260,8 @@ class _ShipmentEditorState extends State<ShipmentEditor> {
     return boxes.asMap().entries.map((_box) {
       return InkWell(
         onTap: () {
-          Navigator.of(context)
-              .push(BottomUpPageRoute(ShipmentBoxEditor(box: _box.value)));
+          Navigator.of(context).push(CupertinoPageRoute(
+              builder: (context) => ShipmentBoxEditor(box: _box.value)));
         },
         child: BoxRow(box: _box.value),
       );