From 09f18f1c5afe12a40f277e0c828a32ef8270b1ba Mon Sep 17 00:00:00 2001
From: Alex Merrifield <alex.merrifield@levelupdevelopment.com>
Date: Fri, 19 Jan 2018 17:20:03 -0500
Subject: [PATCH] setup viewport size before using.

---
 ios/RCTCameraManager.m | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ios/RCTCameraManager.m b/ios/RCTCameraManager.m
index 368e0f5..e791138 100644
--- a/ios/RCTCameraManager.m
+++ b/ios/RCTCameraManager.m
@@ -633,6 +633,9 @@ RCT_EXPORT_METHOD(hasFlash:(RCTPromiseResolveBlock)resolve reject:(RCTPromiseRej
           // create cgimage
           CGImageRef cgImage = CGImageSourceCreateImageAtIndex(source, 0, NULL);
 
+          // setup viewport size before using
+          CGSize viewportSize;
+
           // Rotate it
           CGImageRef rotatedCGImage;
           if ([options objectForKey:@"rotation"]) {
@@ -664,7 +667,6 @@ RCT_EXPORT_METHOD(hasFlash:(RCTPromiseResolveBlock)resolve reject:(RCTPromiseRej
 
           // Crop it
           if (self.cropToPreview) {
-              CGSize viewportSize;
 
               if (UIInterfaceOrientationIsPortrait([[UIApplication sharedApplication] statusBarOrientation]))
               {