From cb0a87f03bde22f692c919a0a4333cc9d95892ba Mon Sep 17 00:00:00 2001
From: Kevin Kieffer <kdkieffer@icloud.com>
Date: Wed, 13 Nov 2019 11:57:54 -0500
Subject: [PATCH] Fix issue #3, nil device causes crash when running on
 simulator.  Now, error is printed.

---
 ALCameraViewController/Views/CameraView.swift | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/ALCameraViewController/Views/CameraView.swift b/ALCameraViewController/Views/CameraView.swift
index 771d378c..5fde91a2 100644
--- a/ALCameraViewController/Views/CameraView.swift
+++ b/ALCameraViewController/Views/CameraView.swift
@@ -28,7 +28,12 @@ public class CameraView: UIView {
         session.sessionPreset = AVCaptureSession.Preset.photo
 
         device = cameraWithPosition(position: currentPosition)
-        if let device = device , device.hasFlash {
+        if device == nil {
+            print("Error: No Camera device found")
+            return
+        }
+        
+        if device.hasFlash {
             do {
                 try device.lockForConfiguration()
                 device.flashMode = .auto