From ee41e3e43690cb9e0e8f0082157d95bd0e944938 Mon Sep 17 00:00:00 2001
From: EddyVerbruggen <eddyverbruggen@gmail.com>
Date: Wed, 26 Feb 2020 11:32:40 +0100
Subject: [PATCH] Make sure the scanner object is available when calling 'stop'
 #235

---
 demo/app/package.json     | 3 ++-
 src/barcodescanner.ios.ts | 4 +++-
 src/package.json          | 2 +-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/demo/app/package.json b/demo/app/package.json
index 31c9e0d..df14883 100644
--- a/demo/app/package.json
+++ b/demo/app/package.json
@@ -26,7 +26,8 @@
   },
   "homepage": "https://github.com/NativeScript/template-hello-world-ts",
   "android": {
-    "v8Flags": "--expose_gc"
+    "v8Flags": "--expose_gc",
+    "markingMode": "none"
   },
   "devDependencies": {
     "nativescript-dev-typescript": "^0.3.0"
diff --git a/src/barcodescanner.ios.ts b/src/barcodescanner.ios.ts
index f3b8ca3..fe3d829 100644
--- a/src/barcodescanner.ios.ts
+++ b/src/barcodescanner.ios.ts
@@ -208,7 +208,9 @@ export class BarcodeScanner {
       try {
         this.close();
         this._removeVolumeObserver();
-        this._scanner.stopScanning();
+        if (this._scanner) {
+          this._scanner.stopScanning();
+        }
         this._closeCallback && this._closeCallback();
         resolve();
       } catch (ex) {
diff --git a/src/package.json b/src/package.json
index ebc7570..8564e24 100644
--- a/src/package.json
+++ b/src/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nativescript-barcodescanner",
-  "version": "3.4.1",
+  "version": "3.4.2",
   "description": "Scan QR/barcodes with your NativeScript app.",
   "main": "barcodescanner",
   "typings": "index.d.ts",