From b056ea70f013d4f117af019874e89e40326e4782 Mon Sep 17 00:00:00 2001
From: LuK1337 <priv.luk@gmail.com>
Date: Sat, 12 Oct 2019 11:59:09 +0200
Subject: [PATCH] Settings: Fix QrCamera crash on devices without flash

Change-Id: Ife34b5fb87a9a4f509b665a3433e0b2ba857c885
---
 src/com/android/settings/wifi/qrcode/QrCamera.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/com/android/settings/wifi/qrcode/QrCamera.java b/src/com/android/settings/wifi/qrcode/QrCamera.java
index c6825879558..00f034811b3 100644
--- a/src/com/android/settings/wifi/qrcode/QrCamera.java
+++ b/src/com/android/settings/wifi/qrcode/QrCamera.java
@@ -178,7 +178,9 @@ public class QrCamera extends Handler {
         Size pictureSize = getBestPictureSize(mParameters);
         mParameters.setPreviewSize(pictureSize.getWidth(), pictureSize.getHeight());
 
-        if (mParameters.getSupportedFlashModes().contains(Parameters.FLASH_MODE_OFF)) {
+        final List<String> supportedFlashModes = mParameters.getSupportedFlashModes();
+        if (supportedFlashModes != null &&
+                supportedFlashModes.contains(Parameters.FLASH_MODE_OFF)) {
             mParameters.setFlashMode(Parameters.FLASH_MODE_OFF);
         }