From e4499156aa45bc3c64ca4a86c35e47f8110ca15d Mon Sep 17 00:00:00 2001
From: Sean Owen <srowen@gmail.com>
Date: Fri, 6 Nov 2015 14:41:54 +0000
Subject: [PATCH] Closes issue #492 : correctly restart autofocus after light
 is changed

---
 .../google/zxing/client/android/camera/CameraManager.java  | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/android/src/com/google/zxing/client/android/camera/CameraManager.java b/android/src/com/google/zxing/client/android/camera/CameraManager.java
index 8a8900f86..9e5478fef 100755
--- a/android/src/com/google/zxing/client/android/camera/CameraManager.java
+++ b/android/src/com/google/zxing/client/android/camera/CameraManager.java
@@ -174,11 +174,14 @@ public final class CameraManager {
     OpenCamera theCamera = camera;
     if (theCamera != null) {
       if (newSetting != configManager.getTorchState(theCamera.getCamera())) {
-        if (autoFocusManager != null) {
+        boolean wasAutoFocusManager = autoFocusManager != null;
+        if (wasAutoFocusManager) {
           autoFocusManager.stop();
+          autoFocusManager = null;
         }
         configManager.setTorch(theCamera.getCamera(), newSetting);
-        if (autoFocusManager != null) {
+        if (wasAutoFocusManager) {
+          autoFocusManager = new AutoFocusManager(context, theCamera.getCamera());
           autoFocusManager.start();
         }
       }