From eb6b5c143dcc5948110496a806801fcae4fabc97 Mon Sep 17 00:00:00 2001
From: tibbi <tibor@kaputa.sk>
Date: Wed, 20 Sep 2017 23:22:22 +0200
Subject: [PATCH] add some camera null checks at autofocusing

---
 app/src/main/kotlin/com/simplemobiletools/camera/Preview.kt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/src/main/kotlin/com/simplemobiletools/camera/Preview.kt b/app/src/main/kotlin/com/simplemobiletools/camera/Preview.kt
index 9cf85ee0..a7aa7a2f 100644
--- a/app/src/main/kotlin/com/simplemobiletools/camera/Preview.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/camera/Preview.kt
@@ -350,6 +350,9 @@ class Preview : ViewGroup, SurfaceHolder.Callback, MediaScannerConnection.OnScan
         mCamera!!.parameters = mParameters
         try {
             mCamera!!.autoFocus { success, camera ->
+                if (camera == null || mCamera == null) {
+                    return@autoFocus
+                }
                 camera.cancelAutoFocus()
                 val focusModes = mParameters!!.supportedFocusModes
                 if (focusModes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE))