From 24e86707538bdde50a91c2309cf5e1dd084c0630 Mon Sep 17 00:00:00 2001
From: Alexei <alex.zaiats@gmail.com>
Date: Tue, 11 Feb 2020 13:02:25 +0200
Subject: [PATCH] Nil safe scanning for iOS

---
 ios/Classes/QRView.swift | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/ios/Classes/QRView.swift b/ios/Classes/QRView.swift
index 4a4ee34..d1cc010 100644
--- a/ios/Classes/QRView.swift
+++ b/ios/Classes/QRView.swift
@@ -26,8 +26,10 @@ public class QRView:NSObject,FlutterPlatformView {
                 try scanner?.startScanning(resultBlock: { codes in
                     if let codes = codes {
                         for code in codes {
-                            let stringValue = code.stringValue!
-                            self.channel.invokeMethod("onRecognizeQR", arguments: stringValue)
+                            if (code != nil && code.stringValue != nil) {
+                                let stringValue = code.stringValue!
+                                self.channel.invokeMethod("onRecognizeQR", arguments: stringValue)
+                            }
                         }
                     }
                 })