update invoice

lib/pages/invoice/payment_pdf_screen.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 
 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_pdfview/flutter_pdfview.dart';
@@ -29,13 +30,18 @@ class _PaymentPDFScreenState extends State<PaymentPDFScreen>
     return Scaffold(
       appBar: AppBar(
         backgroundColor: primaryColor,
-        title: Text("Invoice File"),
+        title: LocalText(context, 'invoice.pdf',
+            color: Colors.white, fontSize: 20),
         leading: new IconButton(
             icon: new Icon(CupertinoIcons.back),
             onPressed: () {
               Navigator.of(context).pop();
             }),
         actions: <Widget>[
+          IconButton(
+            icon: Icon(Icons.file_download),
+            onPressed: () {},
+          ),
           IconButton(
             icon: Icon(Icons.share),
             onPressed: () {},