add pagination for invoice and update ui for material 3

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(
-          centerTitle: true,
+        appBar: LocalAppBar(
           backgroundColor: Colors.white,
-          shadowColor: Colors.transparent,
-          title:
-              Text(widget.title ?? "", style: TextStyle(color: primaryColor)),
-          leading: new IconButton(
-            icon: new Icon(CupertinoIcons.back, color: primaryColor),
-            onPressed: () => Navigator.of(context).pop(),
-          ),
-          actions: <Widget>[
+          arrowColor: primaryColor,
+          titleWidget: Text(widget.title ?? "",
+              style: TextStyle(color: primaryColor, fontSize: 20)),
+          actions: [
             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!;