From a7cc50a7543e5116eacf3fec9e576a29c694fc73 Mon Sep 17 00:00:00 2001
From: Kirill Boyarshinov <naghtarr@gmail.com>
Date: Fri, 10 Apr 2015 14:18:27 +0600
Subject: [PATCH] Fix NullPointerException on devices with no camera (e.g.
 emulator or Genymotion)

---
 .../java/com/dlazaro66/qrcodereaderview/QRCodeReaderView.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/QRCodeReaderView-lib/qrcodereaderview/src/main/java/com/dlazaro66/qrcodereaderview/QRCodeReaderView.java b/QRCodeReaderView-lib/qrcodereaderview/src/main/java/com/dlazaro66/qrcodereaderview/QRCodeReaderView.java
index f2108b4..3f37bcd 100644
--- a/QRCodeReaderView-lib/qrcodereaderview/src/main/java/com/dlazaro66/qrcodereaderview/QRCodeReaderView.java
+++ b/QRCodeReaderView-lib/qrcodereaderview/src/main/java/com/dlazaro66/qrcodereaderview/QRCodeReaderView.java
@@ -93,7 +93,9 @@ private void init() {
 			mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);  // Need to set this flag despite it's deprecated
 		} else {
 			Log.e(TAG, "Error: Camera not found");
-			mOnQRCodeReadListener.cameraNotFound();
+			if (mOnQRCodeReadListener != null) {
+				mOnQRCodeReadListener.cameraNotFound();
+			}
 		}
 	}