add pagination for invoice and update ui for material 3

lib/domain/entities/custom_duty.dart

@@ -14,8 +14,8 @@ class CustomDuty {
   factory CustomDuty.fromMap(Map<String, dynamic> map, String id) {
     return CustomDuty(
       id: id,
-      productType: map['product_type'],
+      productType: map['product_type'] ?? "",
-      desc: map['desc'],
+      desc: map['desc'] ?? "",
       fee: (map['fee'] ?? 0).toDouble(),
     );
   }

lib/domain/entities/invoice.dart

@@ -133,8 +133,9 @@ class Invoice {
         cargoTypesMaps.map((e) => CargoType.fromMap(e, e["id"])).toList();
     var customDutiesMap =
         List<Map<String, dynamic>>.from(map['custom_duties'] ?? []);
-    var customDuties =
+    var customDuties = customDutiesMap
-        customDutiesMap.map((e) => CustomDuty.fromMap(e, e["id"])).toList();
+        .map((e) => CustomDuty.fromMap(e, e["id"] ?? ""))
+        .toList();
     var handlingShipmentsMap =
         List<Map<String, dynamic>>.from(map['handling_fee_shipments'] ?? []);
     var handingShipments =
@@ -149,22 +150,23 @@ class Invoice {
     var discount = Discount.fromMap(discountMap, discountMap['id']);
     var paymentMaps = List<Map<String, dynamic>>.from(map['payments'] ?? []);
     var payments = paymentMaps.map((e) => Payment.fromMap(e, e["id"])).toList();
+
     return Invoice(
       id: docID,
-      invoiceNumber: map['invoice_number'],
+      invoiceNumber: map['invoice_number'] ?? "",
       invoiceDate: invd.toDate(),
-      userName: map['user_name'],
+      userName: map['user_name'] ?? "",
-      fcsID: map['fcs_id'],
+      fcsID: map['fcs_id'] ?? "",
-      phoneNumber: map['phone_number'],
+      phoneNumber: map['phone_number'] ?? "",
-      amount: map['amount'],
+      amount: map['amount'] ?? 0,
       paidAmount: double.tryParse(map['paid_amount'].toString()) ?? 0,
-      status: map['status'],
+      status: map['status'] ?? "",
       cartons: cartons,
       cargoTypes: cargoTypes,
       shipments: handingShipments,
       customDuties: customDuties,
-      deliveryFee: map['delivery_fee'],
+      deliveryFee: map['delivery_fee'] ?? 0,
-      invoiceURL: map['invoice_url'],
+      invoiceURL: map['invoice_url'] ?? "",
       paymentMethod: paymentMethod,
       discount: discount,
       payments: payments,

lib/domain/entities/user.dart

@@ -109,8 +109,8 @@ class User {
         fcsID: map['fcs_id'],
         privileges: _privileges,
         lastMessage: map['last_message'],
-        userUnseenCount: map['user_unseen_count'],
+        userUnseenCount: map['user_unseen_count'] ?? 0,
-        fcsUnseenCount: map['fcs_unseen_count'],
+        fcsUnseenCount: map['fcs_unseen_count'] ?? 0,
         preferCurrency: map['preferred_currency'],
         lastMessageTime: _date == null ? null : _date.toDate());
   }

lib/pages/carton/cargo_type_addtion.dart

@@ -2,10 +2,9 @@ import 'package:fcs/domain/entities/cargo_type.dart';
 import 'package:fcs/helpers/theme.dart';
 import 'package:fcs/pages/main/util.dart';
 import 'package:fcs/pages/rates/model/shipment_rate_model.dart';
-import 'package:fcs/pages/widgets/local_text.dart';
+import 'package:fcs/pages/widgets/local_app_bar.dart';
 import 'package:fcs/pages/widgets/local_title.dart';
 import 'package:fcs/pages/widgets/progress.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
@@ -99,21 +98,11 @@ class _CargoTypeAdditionState extends State<CargoTypeAddition> {
     return LocalProgress(
       inAsyncCall: _isLoading,
       child: Scaffold(
-        appBar: AppBar(
+        appBar: LocalAppBar(
-            centerTitle: true,
+            labelKey: 'cargo.form.title',
-            leading: new IconButton(
-              icon:
-                  new Icon(CupertinoIcons.back, color: primaryColor, size: 30),
-              onPressed: () => Navigator.of(context).pop(),
-            ),
-            shadowColor: Colors.transparent,
             backgroundColor: Colors.white,
-            title: LocalText(
+            labelColor: primaryColor,
-              context,
+            arrowColor: primaryColor),
-              "cargo.form.title",
-              fontSize: 20,
-              color: primaryColor,
-            )),
         body: Container(
           padding: EdgeInsets.all(8),
           child: ListView(

lib/pages/carton_size/carton_size_editor.dart

@@ -3,9 +3,8 @@ import 'package:fcs/helpers/theme.dart';
 import 'package:fcs/pages/main/util.dart';
 import 'package:fcs/pages/widgets/input_text.dart';
 import 'package:fcs/pages/widgets/length_picker.dart';
-import 'package:fcs/pages/widgets/local_text.dart';
+import 'package:fcs/pages/widgets/local_app_bar.dart';
 import 'package:fcs/pages/widgets/progress.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_vector_icons/flutter_vector_icons.dart';
 import 'package:provider/provider.dart';
@@ -135,29 +134,21 @@ class _CartonSizeEditorState extends State<CartonSizeEditor> {
     return LocalProgress(
       inAsyncCall: _isLoading,
       child: Scaffold(
-        appBar: AppBar(
+        appBar: LocalAppBar(
-            centerTitle: true,
+          labelKey: "box.carton_size",
-            leading: new IconButton(
+          backgroundColor: Colors.white,
-              icon:
+          labelColor: primaryColor,
-                  new Icon(CupertinoIcons.back, color: primaryColor, size: 30),
+          arrowColor: primaryColor,
-              onPressed: () {
+          onBack: () {
-                if (isDataChanged()) {
+            if (isDataChanged()) {
-                  showConfirmDialog(context, "back.button_confirm", () {
+              showConfirmDialog(context, "back.button_confirm", () {
-                    Navigator.of(context).pop();
+                Navigator.of(context).pop();
-                  });
+              });
-                } else {
+            } else {
-                  Navigator.of(context).pop();
+              Navigator.of(context).pop();
-                }
+            }
-              },
+          },
-            ),
+        ),
-            shadowColor: Colors.transparent,
-            backgroundColor: Colors.white,
-            title: LocalText(
-              context,
-              "box.carton_size",
-              fontSize: 20,
-              color: primaryColor,
-            )),
         body: Container(
           padding: EdgeInsets.all(18),
           child: ListView(

lib/pages/carton_size/carton_size_list.dart

@@ -1,7 +1,7 @@
 import 'package:fcs/domain/entities/carton_size.dart';
 import 'package:fcs/helpers/theme.dart';
 import 'package:fcs/pages/main/util.dart';
-import 'package:fcs/pages/widgets/local_text.dart';
+import 'package:fcs/pages/widgets/local_app_bar.dart';
 import 'package:fcs/pages/widgets/progress.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
@@ -72,22 +72,11 @@ class _CartonSizeListState extends State<CartonSizeList> {
     return LocalProgress(
         inAsyncCall: _isLoading,
         child: Scaffold(
-          appBar: AppBar(
+          appBar: LocalAppBar(
-            centerTitle: true,
+              labelKey: 'box.carton_size.title',
-            leading: new IconButton(
+              backgroundColor: Colors.white,
-              icon:
+              labelColor: primaryColor,
-                  new Icon(CupertinoIcons.back, color: primaryColor, size: 30),
+              arrowColor: primaryColor),
-              onPressed: () => Navigator.of(context).pop(),
-            ),
-            shadowColor: Colors.transparent,
-            backgroundColor: Colors.white,
-            title: LocalText(
-              context,
-              "box.carton_size.title",
-              fontSize: 20,
-              color: primaryColor,
-            ),
-          ),
           body: Padding(
             padding: const EdgeInsets.only(left: 12.0, right: 12),
             child: ListView(

lib/pages/chat/bubble.dart

@@ -72,27 +72,18 @@ class Bubble extends StatelessWidget {
                         getMsg(context, icon),
                         TextButton(
                             style: TextButton.styleFrom(
-                              backgroundColor:Colors.blue[50],
+                                backgroundColor: Colors.blue[50],
                                 shape: RoundedRectangleBorder(
-                              borderRadius: BorderRadius.circular(10.0),
+                                  borderRadius: BorderRadius.circular(10.0),
-                            )),
+                                )),
-                            onPressed: () {},
+                            onPressed: () {
+                              _viewDetail();
+                            },
                             child: Text(
                                 getLocalString(context, "message.view.detail"),
                                 style: TextStyle(
                                     color: primaryColor,
                                     fontWeight: FontWeight.bold)))
-                        // FlatButton(
-                        //     shape: RoundedRectangleBorder(
-                        //       borderRadius: BorderRadius.circular(10.0),
-                        //     ),
-                        //     color: Colors.blue[50],
-                        //     onPressed: () => _viewDetail(),
-                        //     child: Text(
-                        //         getLocalString(context, "message.view.detail"),
-                        //         style: TextStyle(
-                        //             color: primaryColor,
-                        //             fontWeight: FontWeight.bold)))
                       ]
                     : [
                         Text(isCustomer ? "FCS Team" : sender ?? "",

lib/pages/discount/model/discount_model.dart

@@ -82,7 +82,7 @@ class DiscountModel extends BaseModel {
       var snaps = await q.get(const GetOptions(source: Source.server));
       var discounts = snaps.docs.map((snap) {
         if (snap.exists) {
-          var s = Discount.fromMap(snap.data as Map<String, dynamic>, snap.id);
+          var s = Discount.fromMap(snap.data(), snap.id);
           return s;
         }
       }).toList();

lib/pages/invoice/editor/invoice_carton_table.dart

@@ -3,7 +3,6 @@ import 'package:fcs/domain/entities/rate.dart';
 import 'package:fcs/helpers/theme.dart';
 import 'package:fcs/pages/widgets/local_text.dart';
 import 'package:fcs/pages/widgets/local_title.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
 typedef OnSelect = Function(Carton carton, bool checked);

lib/pages/invoice/editor/invoice_discount_list.dart

@@ -1,7 +1,7 @@
 import 'package:fcs/domain/entities/discount.dart';
 import 'package:fcs/helpers/theme.dart';
+import 'package:fcs/pages/widgets/local_app_bar.dart';
 import 'package:fcs/pages/widgets/local_text.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
 class InvoiceDiscountList extends StatelessWidget {
@@ -15,24 +15,9 @@ class InvoiceDiscountList extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-        appBar: AppBar(
+        appBar: LocalAppBar(labelKey: 'invoice.shipment.discount.title'),
-          centerTitle: true,
+        body:
-          leading: new IconButton(
+            Padding(padding: const EdgeInsets.all(8.0), child: table(context)));
-            icon: new Icon(CupertinoIcons.back),
-            onPressed: () => Navigator.pop(context),
-          ),
-          backgroundColor: primaryColor,
-          title: LocalText(
-            context,
-            "invoice.shipment.discount.title",
-            fontSize: 20,
-            color: Colors.white,
-          ),
-        ),
-        body: Padding(
-          padding: const EdgeInsets.all(8.0),
-          child: table(context),
-        ));
   }
 
   Widget table(BuildContext context) {

lib/pages/invoice/editor/invoice_editor.dart

@@ -25,11 +25,11 @@ import 'package:fcs/pages/rates/model/shipment_rate_model.dart';
 import 'package:fcs/pages/shipment/model/shipment_model.dart';
 import 'package:fcs/pages/widgets/display_text.dart';
 import 'package:fcs/pages/widgets/fcs_icons.dart';
+import 'package:fcs/pages/widgets/local_app_bar.dart';
 import 'package:fcs/pages/widgets/local_button.dart';
 import 'package:fcs/pages/widgets/local_dropdown.dart';
 import 'package:fcs/pages/widgets/local_popup_menu_button.dart';
 import 'package:fcs/pages/widgets/local_popupmenu.dart';
-import 'package:fcs/pages/widgets/local_text.dart';
 import 'package:fcs/pages/widgets/progress.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
@@ -249,22 +249,23 @@ class _InvoiceEditorState extends State<InvoiceEditor> {
       ],
       popupMenuCallback: (p) async {
         if (p.id == 1) {
-          CustomDuty customDuty = await Navigator.of(context).push(
+          CargoType? customDuty = await Navigator.of(context).push(
               CupertinoPageRoute(
                   builder: (context) => CustomList(selected: true)));
-          _addCustom(customDuty);
+          if (customDuty == null) return;
+          // _addCustom(customDuty);
         } else if (p.id == 2) {
-          Shipment shipment = await Navigator.of(context).push(
+          Shipment? shipment = await Navigator.of(context).push(
               CupertinoPageRoute(
                   builder: (context) =>
                       InvoiceHandlingFeeList(shipments: _invoice!.shipments)));
+          if (shipment == null) return;
           _addShipment(shipment);
         } else if (p.id == 3) {
-          Discount? discount =
+          Discount? discount = await Navigator.of(context).push(
-              await Navigator.of(context).push(CupertinoPageRoute(
+              CupertinoPageRoute(
-                  builder: (context) => InvoiceDiscountList(
+                  builder: (context) =>
-                        discounts: discounts,
+                      InvoiceDiscountList(discounts: discounts)));
-                      )));
           if (discount != null) {
             setState(() {
               _invoice!.discount = discount;
@@ -314,19 +315,11 @@ class _InvoiceEditorState extends State<InvoiceEditor> {
     return LocalProgress(
       inAsyncCall: _isLoading,
       child: Scaffold(
-        appBar: AppBar(
+        appBar: LocalAppBar(
-          centerTitle: true,
+            labelKey: 'invoice.form.title',
-          leading: new IconButton(
+            backgroundColor: Colors.white,
-            icon: new Icon(CupertinoIcons.back, color: primaryColor),
+            labelColor: primaryColor,
-            onPressed: () {
+            arrowColor: primaryColor),
-              Navigator.of(context).pop();
-            },
-          ),
-          backgroundColor: Colors.white,
-          shadowColor: Colors.transparent,
-          title: LocalText(context, 'invoice.form.title',
-              color: primaryColor, fontSize: 20),
-        ),
         body: Padding(
           padding: const EdgeInsets.all(8.0),
           child: ListView(
@@ -336,10 +329,7 @@ class _InvoiceEditorState extends State<InvoiceEditor> {
               _isNew ? Container() : statusBox,
               _showCartons ? cartonTable : Container(),
               _showCartons
-                  ? Divider(
+                  ? Divider(color: primaryColor, thickness: 2)
-                      color: primaryColor,
-                      thickness: 2,
-                    )
                   : Container(),
               invoiceTableBox,
               SizedBox(

lib/pages/invoice/editor/invoice_handling_fee_list.dart

@@ -1,5 +1,6 @@
 import 'package:fcs/domain/entities/shipment.dart';
 import 'package:fcs/helpers/theme.dart';
+import 'package:fcs/pages/widgets/local_app_bar.dart';
 import 'package:fcs/pages/widgets/local_text.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
@@ -19,20 +20,7 @@ class InvoiceHandlingFeeList extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-        appBar: AppBar(
+        appBar: LocalAppBar(labelKey: 'invoice.shipment.handling.fee.title'),
-          centerTitle: true,
-          leading: new IconButton(
-            icon: new Icon(CupertinoIcons.back),
-            onPressed: () => Navigator.pop(context),
-          ),
-          backgroundColor: primaryColor,
-          title: LocalText(
-            context,
-            "invoice.shipment.handling.fee.title",
-            fontSize: 20,
-            color: Colors.white,
-          ),
-        ),
         body: Padding(
           padding: const EdgeInsets.all(8.0),
           child: table(context),

lib/pages/invoice/invoice_customer_list.dart

@@ -3,7 +3,7 @@ import 'package:fcs/domain/entities/user.dart';
 import 'package:fcs/helpers/theme.dart';
 import 'package:fcs/pages/customer/model/customer_model.dart';
 import 'package:fcs/pages/invoice/editor/invoice_editor.dart';
-import 'package:fcs/pages/widgets/local_text.dart';
+import 'package:fcs/pages/widgets/local_app_bar.dart';
 import 'package:fcs/pages/widgets/progress.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
@@ -44,20 +44,7 @@ class _InvoiceCustomerListState extends State<InvoiceCustomerList> {
     return LocalProgress(
       inAsyncCall: _isLoading,
       child: Scaffold(
-        appBar: AppBar(
+        appBar: LocalAppBar(labelKey: 'customer.list.title'),
-          centerTitle: true,
-          leading: new IconButton(
-            icon: new Icon(CupertinoIcons.back),
-            onPressed: () => Navigator.of(context).pop(),
-          ),
-          backgroundColor: primaryColor,
-          title: LocalText(
-            context,
-            "customer.list.title",
-            fontSize: 20,
-            color: Colors.white,
-          ),
-        ),
         body: Column(
           crossAxisAlignment: CrossAxisAlignment.end,
           children: [
@@ -83,12 +70,10 @@ class _InvoiceCustomerListState extends State<InvoiceCustomerList> {
   Widget _item(User customer) {
     return InkWell(
       onTap: () async {
-        bool created = await Navigator.of(context).push(CupertinoPageRoute(
+        bool? created = await Navigator.of(context).push(CupertinoPageRoute(
             builder: (context) => InvoiceEditor(
-                  customer: customer,
+                customer: customer, fcsShipment: widget.fcsShipment)));
-                  fcsShipment: widget.fcsShipment,
+        if (created ?? false) {
-                )));
-        if (created) {
           _load();
         }
       },

lib/pages/invoice/invoice_info.dart

@@ -11,10 +11,9 @@ import 'package:fcs/pages/main/util.dart';
 import 'package:fcs/pages/rates/model/shipment_rate_model.dart';
 import 'package:fcs/pages/widgets/display_text.dart';
 import 'package:fcs/pages/widgets/fcs_icons.dart';
+import 'package:fcs/pages/widgets/local_app_bar.dart';
 import 'package:fcs/pages/widgets/local_button.dart';
-import 'package:fcs/pages/widgets/local_text.dart';
 import 'package:fcs/pages/widgets/progress.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:intl/intl.dart';
 import 'package:provider/provider.dart';
@@ -151,17 +150,11 @@ class _InvoiceInfoState extends State<InvoiceInfo> {
     return LocalProgress(
       inAsyncCall: _isLoading,
       child: Scaffold(
-        appBar: AppBar(
+        appBar: LocalAppBar(
-          centerTitle: true,
+            labelKey: 'invoice.form.title',
-          leading: new IconButton(
+            backgroundColor: Colors.white,
-            icon: new Icon(CupertinoIcons.back, color: primaryColor),
+            labelColor: primaryColor,
-            onPressed: () => Navigator.of(context).pop(),
+            arrowColor: primaryColor),
-          ),
-          backgroundColor: Colors.white,
-          shadowColor: Colors.transparent,
-          title: LocalText(context, 'invoice.form.title',
-              color: primaryColor, fontSize: 20),
-        ),
         body: Padding(
           padding: const EdgeInsets.all(8.0),
           child: ListView(

lib/pages/invoice/invoice_list.dart

@@ -1,6 +1,7 @@
 import 'package:fcs/helpers/theme.dart';
 import 'package:fcs/pages/invoice/invoice_shipment_list.dart';
 import 'package:fcs/pages/invoice/model/invoice_model.dart';
+import 'package:fcs/pages/widgets/local_app_bar.dart';
 import 'package:fcs/pages/widgets/local_popup_menu_button.dart';
 import 'package:fcs/pages/widgets/local_popupmenu.dart';
 import 'package:fcs/pages/widgets/local_text.dart';
@@ -9,38 +10,35 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
+import '../../domain/entities/invoice.dart';
+import '../../pagination/paginator_listview.dart';
 import 'invoice_list_row.dart';
 
 class InvoiceList extends StatefulWidget {
-  final bool? forCustomer;
+  final bool forCustomer;
 
-  const InvoiceList({Key? key, this.forCustomer}) : super(key: key);
+  const InvoiceList({Key? key, required this.forCustomer}) : super(key: key);
   @override
   _InvoiceListState createState() => _InvoiceListState();
 }
 
 class _InvoiceListState extends State<InvoiceList> {
   bool _isLoading = false;
-  var _controller = ScrollController();
+  int _selectedIndex = 1;
 
   @override
   void initState() {
     super.initState();
-    _controller.addListener(() async {
+    _init();
-      if (_controller.position.pixels == _controller.position.maxScrollExtent) {
-        Provider.of<InvoiceModel>(context, listen: false)
-            .loadMore(isCustomer: widget.forCustomer!);
-      }
-    });
-
-    InvoiceModel invoiceModel =
-        Provider.of<InvoiceModel>(context, listen: false);
-    invoiceModel.initData(widget.forCustomer!, true, false);
   }
 
-  @override
+  _init() {
-  void dispose() {
+    var model = context.read<InvoiceModel>();
-    super.dispose();
+    _selectedIndex = model.selectedIndex;
+    model.loadPaginationInvoices(_selectedIndex, widget.forCustomer);
+    if (mounted) {
+      setState(() {});
+    }
   }
 
   @override
@@ -48,102 +46,50 @@ class _InvoiceListState extends State<InvoiceList> {
     var invoiceModel = Provider.of<InvoiceModel>(context);
 
     final popupMenu = LocalPopupMenuButton(
-      popmenus: [
+        popmenus: [
-        LocalPopupMenu(
+          LocalPopupMenu(
-            id: 1,
+              id: 1,
-            textKey: "invoice.popupmenu.issused",
+              textKey: "invoice.popupmenu.issused",
-            selected: invoiceModel.selectedIndex == 1),
+              selected: invoiceModel.selectedIndex == 1),
-        LocalPopupMenu(
+          LocalPopupMenu(
-            id: 2,
+              id: 2,
-            textKey: "invoice.popupmenu.paid",
+              textKey: "invoice.popupmenu.paid",
-            selected: invoiceModel.selectedIndex == 2),
+              selected: invoiceModel.selectedIndex == 2),
-        LocalPopupMenu(
+          LocalPopupMenu(
-            id: 3,
+              id: 3,
-            textKey: "invoice.popupmenu.cancel",
+              textKey: "invoice.popupmenu.cancel",
-            selected: invoiceModel.selectedIndex == 3)
+              selected: invoiceModel.selectedIndex == 3)
-      ],
+        ],
-      popupMenuCallback: (p) => this.setState(() {
+        popupMenuCallback: (p) {
-        invoiceModel.selectedIndex = p.id;
+          this.setState(() {
-        if (p.id == 2) {
+            _selectedIndex = p.id;
-          Provider.of<InvoiceModel>(context, listen: false)
+          });
-              .initData(widget.forCustomer!, false, true);
+          context
-        } else if (p.id == 3) {
+              .read<InvoiceModel>()
-          Provider.of<InvoiceModel>(context, listen: false)
+              .onChanged(_selectedIndex, widget.forCustomer);
-              .initData(widget.forCustomer!, true, false);
+        });
-        } else {
-          Provider.of<InvoiceModel>(context, listen: false)
-              .initData(widget.forCustomer!, true, false);
-        }
-      }),
-    );
 
     return LocalProgress(
       inAsyncCall: _isLoading,
-      child: DefaultTabController(
+      child: Scaffold(
-        length: 2,
+          appBar: LocalAppBar(
-        child: Scaffold(
+              labelKey: 'invoices.title', actions: <Widget>[popupMenu]),
-            appBar: AppBar(
+          floatingActionButton: (widget.forCustomer)
-              centerTitle: true,
+              ? null
-              leading: new IconButton(
+              : FloatingActionButton.extended(
-                icon: new Icon(CupertinoIcons.back),
+                  onPressed: () {
-                onPressed: () => Navigator.of(context).pop(),
+                    _newInvoice();
-              ),
+                  },
-              backgroundColor: primaryColor,
+                  icon: Icon(Icons.add),
-              title: LocalText(context, 'invoices.title',
+                  label:
-                  color: Colors.white, fontSize: 20),
+                      LocalText(context, 'invoices.add', color: Colors.white),
-              actions: <Widget>[popupMenu],
+                  backgroundColor: primaryColor,
-            ),
-            floatingActionButton: widget.forCustomer!
-                ? null
-                : FloatingActionButton.extended(
-                    onPressed: () {
-                      _newInvoice();
-                    },
-                    icon: Icon(Icons.add),
-                    label:
-                        LocalText(context, 'invoices.add', color: Colors.white),
-                    backgroundColor: primaryColor,
-                  ),
-            body: Column(
-              children: <Widget>[
-                Expanded(
-                  child: RefreshIndicator(
-                    child: ListView.separated(
-                        physics: AlwaysScrollableScrollPhysics(),
-                        controller: _controller,
-                        separatorBuilder: (context, index) => Divider(
-                              color: Colors.black,
-                              height: 1,
-                            ),
-                        scrollDirection: Axis.vertical,
-                        shrinkWrap: true,
-                        itemCount: invoiceModel.invoices.length,
-                        itemBuilder: (BuildContext context, int index) {
-                          return InvoiceListRow(
-                            key: ValueKey(invoiceModel.invoices[index].id),
-                            invoice: invoiceModel.invoices[index],
-                            forCustomer: widget.forCustomer,
-                          );
-                        }),
-                    onRefresh: () => invoiceModel.refresh(),
-                  ),
                 ),
-                invoiceModel.isLoading
+          body: PaginatorListView<Invoice>(
-                    ? Container(
+              paginatorListener: invoiceModel.getInvoices!,
-                        padding: EdgeInsets.all(8),
+              rowBuilder: (p) =>
-                        color: primaryColor,
+                  InvoiceListRow(invoice: p, isCustomer: widget.forCustomer),
-                        child: Row(
+              color: primaryColor)),
-                          mainAxisAlignment: MainAxisAlignment.center,
-                          children: [
-                            Text("Loading...",
-                                style: TextStyle(color: Colors.white)),
-                          ],
-                        ),
-                      )
-                    : Container(),
-              ],
-            )),
-      ),
     );
   }
 

lib/pages/invoice/invoice_list_row.dart

@@ -13,8 +13,9 @@ import '../widgets/pdf_screen.dart';
 class InvoiceListRow extends StatelessWidget {
   final dateFormatter = new DateFormat('dd MMM yyyy');
   final Invoice? invoice;
-  final bool? forCustomer;
+  final bool isCustomer;
-  InvoiceListRow({Key? key, this.invoice, this.forCustomer}) : super(key: key);
+  InvoiceListRow({Key? key, this.invoice, required this.isCustomer})
+      : super(key: key);
 
   @override
   Widget build(BuildContext context) {
@@ -22,9 +23,7 @@ class InvoiceListRow extends StatelessWidget {
       onTap: () {
         Navigator.of(context).push(CupertinoPageRoute(
             builder: (context) => PDFScreen(
-                  title: invoice!.invoiceNumber,
+                title: invoice!.invoiceNumber, url: invoice!.invoiceURL)));
-                  url: invoice!.invoiceURL,
-                )));
       },
       child: Row(
         children: <Widget>[
@@ -55,7 +54,7 @@ class InvoiceListRow extends StatelessWidget {
                           new Text(
                             invoice!.status ?? "",
                             style: new TextStyle(
-                                fontSize: 13.0, color: primaryColor),
+                                fontSize: 15.0, color: primaryColor),
                           ),
                           new Text(
                             invoice!.invoiceDate != null
@@ -76,28 +75,25 @@ class InvoiceListRow extends StatelessWidget {
               ? Padding(
                   padding: const EdgeInsets.only(left: 10.0),
                   child: InkWell(
-                      child: ElevatedButton(
+                      child: ElevatedButton.icon(
-                    child: Row(
+                    style: ElevatedButton.styleFrom(
-                      children: <Widget>[
+                        // shape: RoundedRectangleBorder(
-                        Icon(
+                        //     borderRadius: BorderRadius.all(Radius.circular(5))),
-                          Icons.payment,
+                        elevation: 0,
-                          color: primaryColor,
+                        backgroundColor: Colors.grey.shade300),
-                        ),
+                    icon: Icon(
-                        Padding(
+                      Icons.payment,
-                          padding: const EdgeInsets.only(left: 3.0),
+                      color: primaryColor,
-                          child: Text(
-                            "Payment",
-                            style: TextStyle(fontSize: 12, color: Colors.black),
-                          ),
-                        )
-                      ],
                     ),
+                    label: Padding(
+                        padding: const EdgeInsets.only(left: 3.0),
+                        child: Text("Payment",
+                            style:
+                                TextStyle(fontSize: 12, color: Colors.black))),
                     onPressed: () {
                       Navigator.of(context).push(CupertinoPageRoute(
                           builder: (context) => PaymentPage(
-                                invoice: invoice,
+                              invoice: invoice, forCustomer: isCustomer)));
-                                forCustomer: forCustomer,
-                              )));
                     },
                   )),
                 )
@@ -141,7 +137,7 @@ class InvoiceListRow extends StatelessWidget {
             Navigator.pop(context);
             Navigator.of(context).push(CupertinoPageRoute(
                 builder: (context) =>
-                    InvoiceInfo(invoice: invoice, forCustomer: forCustomer)));
+                    InvoiceInfo(invoice: invoice, forCustomer: isCustomer)));
           },
         ),
         CupertinoActionSheetAction(
@@ -162,7 +158,7 @@ class InvoiceListRow extends StatelessWidget {
             Navigator.of(context).push(CupertinoPageRoute(
                 builder: (context) => PaymentPage(
                       invoice: invoice,
-                      forCustomer: forCustomer,
+                      forCustomer: isCustomer,
                     )));
           },
         )

lib/pages/invoice/invoice_shipment_list.dart

@@ -1,7 +1,6 @@
 import 'package:fcs/domain/entities/fcs_shipment.dart';
-import 'package:fcs/helpers/theme.dart';
 import 'package:fcs/pages/fcs_shipment/model/fcs_shipment_model.dart';
-import 'package:fcs/pages/widgets/local_text.dart';
+import 'package:fcs/pages/widgets/local_app_bar.dart';
 import 'package:fcs/pages/widgets/progress.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
@@ -42,39 +41,26 @@ class _InvoiceShipmentListState extends State<InvoiceShipmentList> {
   Widget build(BuildContext context) {
     return LocalProgress(
       inAsyncCall: _isLoading,
-      child: DefaultTabController(
+      child: Scaffold(
-        length: 3,
+        appBar: LocalAppBar(labelKey: "invoice.shipment.title"),
-        child: Scaffold(
+        body: new ListView.separated(
-          appBar: AppBar(
+            separatorBuilder: (context, index) => Divider(
-            centerTitle: true,
+                  color: Colors.black,
-            leading: new IconButton(
+                ),
-              icon: new Icon(CupertinoIcons.back),
+            scrollDirection: Axis.vertical,
-              onPressed: () => Navigator.of(context).pop(),
+            padding: EdgeInsets.only(top: 15),
-            ),
+            shrinkWrap: true,
-            backgroundColor: primaryColor,
+            itemCount: _fcsShipments.length,
-            title: LocalText(context, "invoice.shipment.title",
+            itemBuilder: (BuildContext context, int index) {
-                fontSize: 18, color: Colors.white),
+              return InvoiceShipmentListRow(
-          ),
+                fcsShipment: _fcsShipments[index],
-          body: new ListView.separated(
+                onSelect: (f) {
-              separatorBuilder: (context, index) => Divider(
+                  Navigator.of(context).push(CupertinoPageRoute(
-                    color: Colors.black,
+                      builder: (context) =>
-                  ),
+                          InvoiceCustomerList(fcsShipment: f)));
-              scrollDirection: Axis.vertical,
+                },
-              padding: EdgeInsets.only(top: 15),
+              );
-              shrinkWrap: true,
+            }),
-              itemCount: _fcsShipments.length,
-              itemBuilder: (BuildContext context, int index) {
-                return InvoiceShipmentListRow(
-                  fcsShipment: _fcsShipments[index],
-                  onSelect: (f) {
-                    Navigator.of(context).push(CupertinoPageRoute(
-                        builder: (context) => InvoiceCustomerList(
-                              fcsShipment: f,
-                            )));
-                  },
-                );
-              }),
-        ),
       ),
     );
   }

lib/pages/invoice/invoice_table.dart

@@ -115,7 +115,7 @@ class InvoiceTable extends StatelessWidget {
     List<Widget> dataRow = tableRows.map((r) {
       return Container(
         decoration: BoxDecoration(
-            border: Border(bottom: BorderSide(color: Colors.grey))),
+            border: Border(bottom: BorderSide(color: Colors.grey.shade300))),
         padding: const EdgeInsets.only(
             left: 5.0, right: 5.0, top: 10.0, bottom: 10.0),
         child: Row(
@@ -164,7 +164,7 @@ class InvoiceTable extends StatelessWidget {
           padding: const EdgeInsets.only(
               left: 5.0, right: 5.0, top: 15.0, bottom: 15.0),
           decoration: BoxDecoration(
-              border: Border(bottom: BorderSide(color: Colors.grey))),
+              border: Border(bottom: BorderSide(color: Colors.grey.shade300))),
           child: Row(
             children: [
               Expanded(

lib/pages/invoice/model/invoice_model.dart

@@ -7,131 +7,65 @@ import 'package:fcs/domain/constants.dart';
 import 'package:fcs/domain/entities/invoice.dart';
 import 'package:fcs/domain/entities/payment.dart';
 import 'package:fcs/helpers/firebase_helper.dart';
-import 'package:fcs/helpers/paginator.dart';
 import 'package:fcs/pages/main/model/base_model.dart';
 import 'package:logging/logging.dart';
 import 'package:path/path.dart' as Path;
 
+import '../../../pagination/paginator_listener.dart';
+
 class InvoiceModel extends BaseModel {
   final log = Logger('InvoiceModel');
-
+  PaginatorListener<Invoice>? getInvoices;
-  StreamSubscription<QuerySnapshot<Map<String, dynamic>>>? listener;
+  int selectedIndex = 1;
-
-  List<Invoice> _invoices = [];
-
-  List<Invoice> get invoices =>
-      _selectedIndex == 1 ? _invoices : List<Invoice>.from(_paginator!.values);
-
-  Paginator? _paginator;
-
-  bool endOfPaidInvoices = false;
-  bool isLoading = false;
-  int _selectedIndex = 1;
-
-  set selectedIndex(int index) {
-    _selectedIndex = index;
-    notifyListeners();
-  }
-
-  int get selectedIndex => _selectedIndex;
-
-  @override
-  void privilegeChanged() {
-    super.privilegeChanged();
-  }
-
-  initData(bool forCustomer, bool isCanceled, bool isPaid) {
-    _loadInvoices(forCustomer);
-
-    if (_paginator != null) _paginator!.close();
-    _paginator = _getPaginator(forCustomer, isCanceled, isPaid);
-    _paginator!.load(onFinished: () {
-      notifyListeners();
-    });
-  }
-
-  Future<void> _loadInvoices(bool forCustomer) async {
-    if (user == null) return;
-    if (!forCustomer && !user!.hasInvoices()) return;
-    String path = "/$invoices_collection";
-    if (listener != null) listener!.cancel();
-    _invoices = [];
-
-    try {
-      var q = FirebaseFirestore.instance
-          .collection("$path")
-          .where("status", isEqualTo: invoice_issued_status)
-          .where("is_deleted", isEqualTo: false);
-
-      if (forCustomer) {
-        q = q.where("user_id", isEqualTo: user!.id);
-      }
-
-      listener = q.snapshots().listen((QuerySnapshot snapshot) {
-        _invoices.clear();
-        _invoices = snapshot.docs.map((documentSnapshot) {
-          var s = Invoice.fromMap(
-              documentSnapshot.data() as Map<String, dynamic>,
-              documentSnapshot.id);
-          return s;
-        }).toList();
-        notifyListeners();
-      });
-    } catch (e) {
-      log.warning("Error!! $e");
-    }
-  }
-
-  Paginator _getPaginator(bool isCustomer, bool isCanceled, bool isPaid) {
-    if (!isCustomer) {
-      if (user == null || !(user!.hasInvoices())) throw "No privilege";
-    }
-    var pageQuery = FirebaseFirestore.instance
-        .collection("/$invoices_collection")
-        .where("is_deleted", isEqualTo: false);
-    if (isCustomer) {
-      pageQuery = pageQuery.where("user_id", isEqualTo: user!.id);
-    }
-    if (isCanceled) {
-      pageQuery = pageQuery.where("status", isEqualTo: invoice_cancel_status);
-    }
-    if (isPaid) {
-      pageQuery = pageQuery.where("status", isEqualTo: invoice_paid_status);
-    }
-
-    pageQuery = pageQuery.orderBy("created_at", descending: true);
-    var paginator = new Paginator(pageQuery, rowPerLoad: 20, toObj: (data, id) {
-      return Invoice.fromMap(data, id);
-    });
-    return paginator;
-  }
-
-  Future<void> loadMore({bool? isCustomer}) async {
-    if (_paginator!.ended || _selectedIndex == 1)
-      return; // when paid menu is not selected return
-    isLoading = true;
-    notifyListeners();
-    await _paginator!.load(onFinished: () {
-      isLoading = false;
-      notifyListeners();
-    });
-  }
-
-  Future<void> refresh({bool? isCustomer}) async {
-    if (_selectedIndex == 1) return; // when paid menu is not selected return
-    await _paginator!.refresh(onFinished: () {
-      notifyListeners();
-    });
-  }
 
   void initUser(user) {
     super.initUser(user);
   }
 
   logout() async {
-    if (_paginator != null) _paginator!.close();
+    getInvoices?.close();
-    if (listener != null) await listener!.cancel();
+  }
-    _invoices = [];
+
+  onChanged(int index, bool isCustomer) {
+    selectedIndex = index;
+    loadPaginationInvoices(index, isCustomer);
+    notifyListeners();
+  }
+
+  Future<void> loadPaginationInvoices(int index, bool isCustomer) async {
+    if (user == null) return;
+    if (!isCustomer && !user!.hasInvoices()) return;
+
+    String path = "/$invoices_collection";
+    Query col = FirebaseFirestore.instance.collection(path);
+    Query pageQuery = FirebaseFirestore.instance.collection(path);
+
+    if (isCustomer) {
+      col = col.where("user_id", isEqualTo: user!.id);
+      pageQuery = pageQuery.where("user_id", isEqualTo: user!.id);
+    }
+
+    if (index == 1) {
+      col = col.where("status", isEqualTo: invoice_issued_status);
+      pageQuery = pageQuery.where("status", isEqualTo: invoice_issued_status);
+    }
+
+    if (index == 2) {
+      col = col.where("status", isEqualTo: invoice_paid_status);
+      pageQuery = pageQuery.where("status", isEqualTo: invoice_paid_status);
+    }
+
+    if (index == 3) {
+      col = col.where("status", isEqualTo: invoice_cancel_status);
+      pageQuery = pageQuery.where("status", isEqualTo: invoice_cancel_status);
+    }
+
+    pageQuery = pageQuery.orderBy("created_at", descending: true);
+
+    getInvoices?.close();
+    getInvoices = PaginatorListener<Invoice>(
+        col, pageQuery, (data, id) => Invoice.fromMap(data, id),
+        rowPerLoad: 30);
   }
 
   Future<Invoice?> getInvoice(String id) async {
@@ -140,7 +74,7 @@ class InvoiceModel extends BaseModel {
       var ref = FirebaseFirestore.instance.collection("$path").doc(id);
       var snap = await ref.get(const GetOptions(source: Source.server));
       if (snap.exists) {
-        var s = Invoice.fromMap(snap.data as Map<String, dynamic>, snap.id);
+        var s = Invoice.fromMap(snap.data() as Map<String, dynamic>, snap.id);
         return s;
       }
     } catch (e) {

lib/pages/invoice/payment/payment_page.dart

@@ -4,16 +4,15 @@ import 'package:fcs/domain/constants.dart';
 import 'package:fcs/domain/entities/invoice.dart';
 import 'package:fcs/domain/entities/payment.dart';
 import 'package:fcs/helpers/theme.dart';
-import 'package:fcs/localization/app_translations.dart';
 import 'package:fcs/pages/invoice/model/invoice_model.dart';
 import 'package:fcs/pages/main/util.dart';
 import 'package:fcs/pages/widgets/img_picker.dart';
 import 'package:fcs/pages/widgets/input_text.dart';
+import 'package:fcs/pages/widgets/local_app_bar.dart';
 import 'package:fcs/pages/widgets/local_button.dart';
 import 'package:fcs/pages/widgets/local_text.dart';
 import 'package:fcs/pages/widgets/local_title.dart';
 import 'package:fcs/pages/widgets/progress.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:intl/intl.dart';
@@ -51,8 +50,9 @@ class _PaymentPageState extends State<PaymentPage> {
     InvoiceModel invoiceModel =
         Provider.of<InvoiceModel>(context, listen: false);
     Invoice? i = await invoiceModel.getInvoice(_invoice.id!);
+    if (i == null) return;
     setState(() {
-      _invoice = i!;
+      _invoice = i;
     });
   }
 
@@ -90,15 +90,11 @@ class _PaymentPageState extends State<PaymentPage> {
     return LocalProgress(
       inAsyncCall: _isLoading,
       child: Scaffold(
-        appBar: AppBar(
+        appBar: LocalAppBar(
-          centerTitle: true,
+            labelKey: 'pm_.title',
-          leading: new IconButton(
+            backgroundColor: Colors.white,
-            icon: new Icon(CupertinoIcons.back),
+            labelColor: primaryColor,
-            onPressed: () => Navigator.of(context).pop(),
+            arrowColor: primaryColor),
-          ),
-          backgroundColor: primaryColor,
-          title: Text(AppTranslations.of(context)!.text("pm_.title")),
-        ),
         body: ListView(
           padding: const EdgeInsets.all(10.0),
           children: <Widget>[

lib/pages/invoice/widgets.dart

@@ -17,7 +17,11 @@ Widget getInvoiceStatus(BuildContext context, Invoice invoice) {
       ),
       Padding(
         padding: const EdgeInsets.only(left: 8.0),
-        child: Chip(label: Text(invoice.status ?? "")),
+        child: Chip(
+            shape: const StadiumBorder(
+                side: BorderSide(color: Colors.transparent)),
+            backgroundColor: Colors.grey.withOpacity(0.3),
+            label: Text(invoice.status ?? "")),
       ),
     ],
   );

lib/pages/main/util.dart

@@ -344,32 +344,29 @@ Widget fcsButton(BuildContext context, String text,
 
   return Container(
     padding: EdgeInsets.only(left: 10, right: 10, top: 10),
-    child: Container(
+    child: SizedBox(
       height: 45.0,
-      decoration: BoxDecoration(
+      child: ElevatedButton(
-        color: primaryColor,
+        style: ElevatedButton.styleFrom(
-        shape: BoxShape.rectangle,
+            elevation: 0,
-      ),
+            backgroundColor: primaryColor,
-      child: ButtonTheme(
+            shape: RoundedRectangleBorder(
-        minWidth: 900.0,
+                borderRadius: BorderRadius.all(Radius.circular(3)))),
-        height: 100.0,
+        onPressed: callack == null ? null : () => callack(),
-        child: TextButton(
+        child: Row(
-          onPressed: callack == null ? null : () => callack(),
+          mainAxisAlignment: MainAxisAlignment.center,
-          child: Row(
+          children: [
-            mainAxisAlignment: MainAxisAlignment.center,
+            iconData == null
-            children: [
+                ? Container()
-              iconData == null
+                : Icon(
-                  ? Container()
+                    iconData,
-                  : Icon(
+                    color: Colors.white,
-                      iconData,
+                  ),
-                      color: Colors.white,
+            SizedBox(
-                    ),
+              width: 15,
-              SizedBox(
+            ),
-                width: 15,
+            Text(text, style: style),
-              ),
+          ],
-              Text(text, style: style),
-            ],
-          ),
         ),
       ),
     ),

lib/pages/market/market_editor.dart

@@ -6,7 +6,6 @@ import 'package:fcs/pages/widgets/input_text.dart';
 import 'package:fcs/pages/widgets/local_app_bar.dart';
 import 'package:fcs/pages/widgets/local_text.dart';
 import 'package:fcs/pages/widgets/progress.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 

lib/pages/package/model/package_model.dart

@@ -21,30 +21,21 @@ class PackageModel extends BaseModel {
   PaginatorListener<Package>? activePackages;
 
   bool isLoading = false;
-  int _menuSelectedIndex = 1;
+  int selectedIndex = 1;
 
-  set menuSelectedIndex(int index) {
+  initData(int index, bool isCustomer) {
-    _menuSelectedIndex = index;
+    selectedIndex = index;
-
+    if (isCustomer) {
-    _loadPaginationPackages(_menuSelectedIndex == 2);
+      _loadPaginationCustomerPackages(selectedIndex == 2);
-    _loadPaginationCustomerPackages(_menuSelectedIndex == 2);
+    } else {
-
+      _loadPaginationPackages(selectedIndex == 2);
-    notifyListeners();
-  }
-
-  int get menuSelectedIndex => _menuSelectedIndex;
-
-  void privilegeChanged() {
-    if (user != null) {
-      _initData();
     }
   }
 
-  Future<void> _initData() async {
+  void privilegeChanged() {
-    _menuSelectedIndex = 1;
+    if (user != null) {
-    _loadPaginationPackages(_menuSelectedIndex == 2);
+      _loadPaginationActivePackages();
-    _loadPaginationCustomerPackages(_menuSelectedIndex == 2);
+    }
-    _loadPaginationActivePackages();
   }
 
   @override
@@ -54,6 +45,16 @@ class PackageModel extends BaseModel {
     if (activePackages != null) activePackages!.close();
   }
 
+  onChanged(int index, bool isCustomer) {
+    selectedIndex = index;
+    if (isCustomer) {
+      _loadPaginationCustomerPackages(selectedIndex == 2);
+    } else {
+      _loadPaginationPackages(selectedIndex == 2);
+    }
+    notifyListeners();
+  }
+
   _loadPaginationPackages(bool isDelivered) {
     if (user == null) return;
     if (!((user!.hasPackages() ||
@@ -78,7 +79,6 @@ class PackageModel extends BaseModel {
   _loadPaginationCustomerPackages(bool isDelivered) {
     if (user == null) return;
     String path = "/$packages_collection";
-
     Query col = FirebaseFirestore.instance
         .collection(path)
         .where("is_delivered", isEqualTo: isDelivered)

lib/pages/package/package_list.dart

@@ -23,12 +23,24 @@ class PackageList extends StatefulWidget {
 
 class _PackageListState extends State<PackageList> {
   bool _isLoading = false;
+  int _selectedIndex = 1;
 
   @override
   void initState() {
+    _init();
     super.initState();
   }
 
+  _init() {
+    var model = context.read<PackageModel>();
+    _selectedIndex = model.selectedIndex;
+    model.initData(_selectedIndex, widget.forCustomer);
+
+    if (mounted) {
+      setState(() {});
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     var packageModel = Provider.of<PackageModel>(context);
@@ -37,20 +49,24 @@ class _PackageListState extends State<PackageList> {
         : packageModel.packages;
 
     final popupMenu = LocalPopupMenuButton(
-      popmenus: [
+        popmenus: [
-        LocalPopupMenu(
+          LocalPopupMenu(
-            id: 1,
+              id: 1,
-            textKey: "package.popupmenu.active",
+              textKey: "package.popupmenu.active",
-            selected: packageModel.menuSelectedIndex == 1),
+              selected: packageModel.selectedIndex == 1),
-        LocalPopupMenu(
+          LocalPopupMenu(
-            id: 2,
+              id: 2,
-            textKey: "package.popupmenu.delivered",
+              textKey: "package.popupmenu.delivered",
-            selected: packageModel.menuSelectedIndex == 2)
+              selected: packageModel.selectedIndex == 2)
-      ],
+        ],
-      popupMenuCallback: (p) => this.setState(() {
+        popupMenuCallback: (p) {
-        packageModel.menuSelectedIndex = p.id;
+          this.setState(() {
-      }),
+            _selectedIndex = p.id;
-    );
+          });
+          context
+              .read<PackageModel>()
+              .onChanged(_selectedIndex, widget.forCustomer);
+        });
 
     return LocalProgress(
       inAsyncCall: _isLoading,

lib/pages/rates/custom_row.dart

@@ -1,7 +1,6 @@
 import 'package:fcs/domain/entities/custom_duty.dart';
 import 'package:fcs/helpers/theme.dart';
 import 'package:fcs/pages/widgets/local_text.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_icons_null_safety/flutter_icons_null_safety.dart';
 

lib/pages/signin/invitation_request_page.dart

@@ -1,10 +1,9 @@
 import 'package:fcs/pages/main/model/main_model.dart';
 import 'package:fcs/pages/main/util.dart';
+import 'package:fcs/pages/widgets/local_app_bar.dart';
 import 'package:fcs/pages/widgets/local_text.dart';
 import 'package:fcs/pages/widgets/progress.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
 
 import '../../helpers/theme.dart';
@@ -29,14 +28,7 @@ class _RequestInvitationPageState extends State<RequestInvitationPage> {
     return LocalProgress(
       inAsyncCall: _isLoading,
       child: new Scaffold(
-        appBar: AppBar(
+        appBar: LocalAppBar(),
-          centerTitle: true,
-          leading: new IconButton(
-            icon: new Icon(CupertinoIcons.back),
-            onPressed: () => Navigator.of(context).pop(),
-          ),
-          backgroundColor: primaryColor,
-        ),
         body: _buildBody(context),
       ),
     );
@@ -91,6 +83,11 @@ class _RequestInvitationPageState extends State<RequestInvitationPage> {
             mainAxisAlignment: MainAxisAlignment.center,
             children: <Widget>[
               ElevatedButton(
+                style: ElevatedButton.styleFrom(
+                    elevation: 0,
+                    shape: RoundedRectangleBorder(
+                        borderRadius: BorderRadius.all(Radius.circular(3))),
+                    backgroundColor: primaryColor),
                 onPressed: _request,
                 child: Text(getLocalString(context, "invite.request")),
               )

lib/pages/signin/signin_logic.dart

@@ -4,7 +4,6 @@ import 'package:fcs/pages/main/model/main_model.dart';
 import 'package:fcs/pages/signin/invitation_request_page.dart';
 import 'package:fcs/pages/signin/signup_page.dart';
 import 'package:flutter/cupertino.dart';
-import 'package:flutter/widgets.dart';
 import 'package:provider/provider.dart';
 
 navigateAfterAuthVerified(BuildContext context) async {

lib/pages/signin/signin_page.dart

@@ -3,11 +3,11 @@ import 'package:fcs/domain/entities/auth_result.dart';
 import 'package:fcs/domain/entities/auth_status.dart';
 import 'package:fcs/pages/main/model/main_model.dart';
 import 'package:fcs/pages/signin/signin_logic.dart';
+import 'package:fcs/pages/widgets/local_app_bar.dart';
 import 'package:fcs/pages/widgets/local_text.dart';
 import 'package:fcs/pages/widgets/progress.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:provider/provider.dart';
 
@@ -40,17 +40,7 @@ class _SigninPageState extends State<SigninPage> {
   Widget build(BuildContext context) {
     return LocalProgress(
       inAsyncCall: _isLoading,
-      child: new Scaffold(
+      child: new Scaffold(appBar: LocalAppBar(), body: _buildLogin(context)),
-        appBar: AppBar(
-          centerTitle: true,
-          leading: new IconButton(
-            icon: new Icon(CupertinoIcons.back),
-            onPressed: () => Navigator.of(context).pop(),
-          ),
-          backgroundColor: primaryColor,
-        ),
-        body: _buildLogin(context),
-      ),
     );
   }
 

lib/pages/signin/signup_page.dart

@@ -1,10 +1,9 @@
 import 'package:fcs/pages/main/model/main_model.dart';
 import 'package:fcs/pages/main/util.dart';
+import 'package:fcs/pages/widgets/local_app_bar.dart';
 import 'package:fcs/pages/widgets/local_text.dart';
 import 'package:fcs/pages/widgets/progress.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:provider/provider.dart';
 
@@ -30,16 +29,7 @@ class _SignupPageState extends State<SignupPage> {
     return LocalProgress(
       inAsyncCall: _isLoading,
       child: new Scaffold(
-        appBar: AppBar(
+        appBar: LocalAppBar(),
-          centerTitle: true,
-          leading: new IconButton(
-            icon: new Icon(
-              CupertinoIcons.back,
-            ),
-            onPressed: () => Navigator.of(context).pop(),
-          ),
-          backgroundColor: primaryColor,
-        ),
         body: _buildBody(context),
       ),
     );

lib/pages/signin/sms_code_page.dart

@@ -5,9 +5,9 @@ import 'package:fcs/domain/entities/auth_status.dart';
 import 'package:fcs/pages/main/model/main_model.dart';
 import 'package:fcs/pages/signin/signin_logic.dart';
 import 'package:fcs/pages/main/util.dart';
+import 'package:fcs/pages/widgets/local_app_bar.dart';
 import 'package:fcs/pages/widgets/local_text.dart';
 import 'package:fcs/pages/widgets/progress.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:pin_input_text_field/pin_input_text_field.dart';
 import 'package:provider/provider.dart';
@@ -67,14 +67,7 @@ class _SmsCodePageState extends State<SmsCodePage> {
     return LocalProgress(
       inAsyncCall: _isLoading,
       child: Scaffold(
-        appBar: AppBar(
+        appBar: LocalAppBar(),
-          centerTitle: true,
-          leading: new IconButton(
-            icon: new Icon(CupertinoIcons.back),
-            onPressed: () => Navigator.of(context).pop(),
-          ),
-          backgroundColor: primaryColor,
-        ),
         body: ListView(
           padding: EdgeInsets.only(top: 5, left: 5, right: 5),
           children: <Widget>[
@@ -129,29 +122,21 @@ class _SmsCodePageState extends State<SmsCodePage> {
                       mainAxisAlignment: MainAxisAlignment.spaceBetween,
                       children: <Widget>[
                         ElevatedButton(
-                          style: ElevatedButton.styleFrom(
+                            style: ElevatedButton.styleFrom(
-                              backgroundColor:
+                                backgroundColor:
-                                  canResend ? Colors.white : Colors.grey,
+                                    canResend ? Colors.white : Colors.grey,
-                              shape: RoundedRectangleBorder(
+                                shape: RoundedRectangleBorder(
-                                  borderRadius: BorderRadius.circular(10.0),
+                                    borderRadius: BorderRadius.circular(10.0),
-                                  side: BorderSide(
+                                    side: BorderSide(
-                                      color: canResend
+                                        color: canResend
-                                          ? primaryColor
+                                            ? primaryColor
-                                          : Colors.grey.shade400))),
+                                            : Colors.grey.shade400))),
-                          onPressed: canResend ? _resend : null,
+                            onPressed: canResend ? _resend : null,
-                          // color: canResend ? Colors.white : Colors.grey,
+                            child: LocalText(context, 'sms.resend',
-                          child: LocalText(context, 'sms.resend',
+                                fontSize: 16,
-                              fontSize: 16,
+                                color: canResend
-                              color: canResend
+                                    ? primaryColor
-                                  ? primaryColor
+                                    : Colors.grey.shade400)),
-                                  : Colors.grey.shade400),
-                          // shape: RoundedRectangleBorder(
-                          //     borderRadius: BorderRadius.circular(10.0),
-                          //     side: BorderSide(
-                          //         color: canResend
-                          //             ? primaryColor
-                          //             : Colors.grey.shade400)),
-                        ),
                         InkWell(
                           onTap: allNumberEntered ? _verify : null,
                           child: CircleAvatar(
@@ -220,19 +205,4 @@ class _SmsCodePageState extends State<SmsCodePage> {
       _isLoading = false;
     });
   }
-
-  _completeResend() {
-    setState(() {
-      _isLoading = false;
-      _start = resend_count_sec;
-      canResend = false;
-      startTimer();
-    });
-  }
-
-  _completeVerify() {
-    setState(() {
-      _isLoading = false;
-    });
-  }
 }

lib/pages/widgets/pdf_screen.dart

@@ -4,8 +4,8 @@ import 'dart:io';
 import 'package:fcs/helpers/cache_mgr.dart';
 import 'package:fcs/helpers/theme.dart';
 import 'package:fcs/pages/main/util.dart';
+import 'package:fcs/pages/widgets/local_app_bar.dart';
 import 'package:fcs/pages/widgets/progress.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_pdfview/flutter_pdfview.dart';
 import 'package:share/share.dart';
@@ -54,17 +54,12 @@ class _PDFScreenState extends State<PDFScreen> with WidgetsBindingObserver {
     return LocalProgress(
       inAsyncCall: _isLoading,
       child: Scaffold(
-        appBar: AppBar(
+        appBar: LocalAppBar(
-          centerTitle: true,
           backgroundColor: Colors.white,
-          shadowColor: Colors.transparent,
+          arrowColor: primaryColor,
-          title:
+          titleWidget: Text(widget.title ?? "",
-              Text(widget.title ?? "", style: TextStyle(color: primaryColor)),
+              style: TextStyle(color: primaryColor, fontSize: 20)),
-          leading: new IconButton(
+          actions: [
-            icon: new Icon(CupertinoIcons.back, color: primaryColor),
-            onPressed: () => Navigator.of(context).pop(),
-          ),
-          actions: <Widget>[
             IconButton(
               icon: Icon(
                 Icons.share,
@@ -89,7 +84,7 @@ class _PDFScreenState extends State<PDFScreen> with WidgetsBindingObserver {
                     fitPolicy: FitPolicy.BOTH,
                     preventLinkNavigation:
                         false, // if set to true the link is handled in flutter
-                    onRender: (int?_pages) {
+                    onRender: (int? _pages) {
                       print(('pages => $pages'));
                       setState(() {
                         pages = _pages!;