From 616b286a5c0a049dc23abc7183a9a3190e9c19f3 Mon Sep 17 00:00:00 2001
From: Benjamin Sauer <sauer.benjamin@gmail.com>
Date: Wed, 10 Jan 2018 14:55:58 +0100
Subject: [PATCH] main, example: added CameraAccessDenied constant

---
 example/lib/main.dart | 2 +-
 lib/barcode_scan.dart | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/example/lib/main.dart b/example/lib/main.dart
index d91f89b..34a643d 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -48,7 +48,7 @@ class _MyAppState extends State<MyApp> {
       String barcode = await BarcodeScanner.scan();
       setState(() => this.barcode = barcode);
     } on PlatformException catch (e) {
-      if (e.code == 'PERMISSION_NOT_GRANTED') {
+      if (e.code == BarcodeScanner.CameraAccessDenied) {
         setState(() {
           this.barcode = 'The user did not grant the camera permission!';
         });
diff --git a/lib/barcode_scan.dart b/lib/barcode_scan.dart
index f375363..d042a3d 100644
--- a/lib/barcode_scan.dart
+++ b/lib/barcode_scan.dart
@@ -3,6 +3,7 @@ import 'dart:async';
 import 'package:flutter/services.dart';
 
 class BarcodeScanner {
+  static const CameraAccessDenied = 'PERMISSION_NOT_GRANTED';
   static const MethodChannel _channel =
       const MethodChannel('com.apptreesoftware.barcode_scan');
   static Future<String> scan() async => await _channel.invokeMethod('scan');