insert confrim payment btn in invoice

lib/pages/customer_list.dart

@@ -1,5 +1,6 @@
 import 'package:fcs/model/customer_model.dart';
 import 'package:fcs/pages/search_page.dart';
+import 'package:fcs/widget/bottom_up_page_route.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_icons/flutter_icons.dart';
 import 'package:intl/intl.dart';
@@ -68,12 +69,8 @@ class _CustomerListState extends State<CustomerList> {
                 children: <Widget>[
                   InkWell(
                     onTap: () {
-                      Navigator.push(
-                        context,
-                        MaterialPageRoute(
-                            builder: (context) =>
-                                CustomerEditor(customer: user)),
-                      );
+                      Navigator.of(context).push(
+                          BottomUpPageRoute(CustomerEditor(customer: user)));
                     },
                     child: Row(
                       children: <Widget>[

lib/pages/invoice/invoice_editor.dart

@@ -346,7 +346,23 @@ class _InvoiceEditorState extends State<InvoiceEditor> {
                               ),
                             ))),
                       ],
-                    ))
+                    )),
+              widget.invoice == null
+                  ? Container()
+                  : Align(
+                      alignment: Alignment.bottomCenter,
+                      child: Center(
+                          child: Container(
+                        width: 250,
+                        child: FlatButton(
+                          child: Text('Confirm Payment'),
+                          color: primaryColor,
+                          textColor: Colors.white,
+                          onPressed: () {
+                            Navigator.pop(context);
+                          },
+                        ),
+                      )))
             ],
           ),
         ),

lib/pages/pickup_list.dart

@@ -1,5 +1,6 @@
 import 'package:fcs/model/pickup_model.dart';
 import 'package:fcs/pages/pickup_list_row.dart';
+import 'package:fcs/widget/bottom_up_page_route.dart';
 import 'package:provider/provider.dart';
 import 'package:fcs/model/buyer_model.dart';
 import 'package:fcs/pages/search_page.dart';
@@ -93,10 +94,7 @@ class _PickUpListState extends State<PickUpList> {
   }
 
   _newPickup() {
-    Navigator.push(
-      context,
-      MaterialPageRoute(builder: (context) => new PickUpEditor()),
-    );
+    Navigator.of(context).push(BottomUpPageRoute(PickUpEditor()));
   }
 
   Widget _upComing() {

lib/pages/pickup_list_row.dart

@@ -1,6 +1,7 @@
 import 'package:fcs/model/pickup_model.dart';
 import 'package:fcs/pages/pickup_editor.dart';
 import 'package:fcs/vo/pickup.dart';
+import 'package:fcs/widget/bottom_up_page_route.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_icons/flutter_icons.dart';
 import 'package:provider/provider.dart';
@@ -44,11 +45,8 @@ class _PickupListRowState extends State<PickupListRow> {
       padding: EdgeInsets.only(left: 15, right: 15),
       child: InkWell(
         onTap: () {
-          Navigator.push(
-            context,
-            MaterialPageRoute(
-                builder: (context) => PickUpEditor(pickUp: _pickUp)),
-          );
+          Navigator.of(context)
+              .push(BottomUpPageRoute(PickUpEditor(pickUp: _pickUp)));
         },
         child: Row(
           children: <Widget>[

lib/pages/shipment_rates.dart

@@ -3,6 +3,7 @@ import 'package:fcs/model/shipment_rate_model.dart';
 import 'package:fcs/pages/shipment_rates_calculate.dart';
 import 'package:fcs/pages/shipment_rates_edit.dart';
 import 'package:fcs/vo/pickup.dart';
+import 'package:fcs/widget/bottom_up_page_route.dart';
 import 'package:provider/provider.dart';
 import 'package:fcs/widget/localization/app_translations.dart';
 
@@ -110,11 +111,13 @@ class _ShipmentRatesState extends State<ShipmentRates> {
                     itemBuilder: (context, index) {
                       return _row(
                           shipmentRateModel.rates[index].description,
-                          "\$ " +shipmentRateModel.rates[index].price.toString(),
+                          "\$ " +
+                              shipmentRateModel.rates[index].price.toString(),
                           'per pound');
                     }),
               ),
-              _row("Free delivery within Yangon \nfor shipments over","10","pounds"),
+              _row("Free delivery within Yangon \nfor shipments over", "10",
+                  "pounds"),
               _row("Delivery fees", "\$ 5", "below 10 pounds"),
               // Padding(
               //   padding: const EdgeInsets.only(left: 18.0, right: 18),
@@ -128,11 +131,11 @@ class _ShipmentRatesState extends State<ShipmentRates> {
               // ),
               fcsButton(context, "Calculate", callack: () {
                 Navigator.of(context)
-              .push(MaterialPageRoute(builder: (_) => ShipmentRatesCal()));
+                    .push(BottomUpPageRoute(ShipmentRatesCal()));
               }),
               fcsButton(context, "Edit", callack: () {
                 Navigator.of(context)
-              .push(MaterialPageRoute(builder: (_) => ShipmentRatesEdit()));
+                    .push(BottomUpPageRoute(ShipmentRatesEdit()));
               }),
               SizedBox(height: 10)
             ],