From f301331b15eea7795dfa0219642784166d55b626 Mon Sep 17 00:00:00 2001
From: Nathan Ward <wardnath.alt@gmail.com>
Date: Mon, 2 Jan 2017 15:27:07 -0600
Subject: [PATCH] [Android): fixes crashes related to orientation (#537)

---
 .../main/java/com/lwansbrough/RCTCamera/RCTCameraModule.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/android/src/main/java/com/lwansbrough/RCTCamera/RCTCameraModule.java b/android/src/main/java/com/lwansbrough/RCTCamera/RCTCameraModule.java
index 1dd3edb..4f4dd95 100644
--- a/android/src/main/java/com/lwansbrough/RCTCamera/RCTCameraModule.java
+++ b/android/src/main/java/com/lwansbrough/RCTCamera/RCTCameraModule.java
@@ -573,7 +573,9 @@ public class RCTCameraModule extends ReactContextBaseJavaModule
             );
 
             final ExifIFD0Directory exifIFD0Directory = metadata.getFirstDirectoryOfType(ExifIFD0Directory.class);
-            if (exifIFD0Directory.containsTag(ExifIFD0Directory.TAG_ORIENTATION)) {
+            if (exifIFD0Directory == null) {
+                return data;
+            } else if (exifIFD0Directory.containsTag(ExifIFD0Directory.TAG_ORIENTATION)) {
                 final int exifOrientation = exifIFD0Directory.getInt(ExifIFD0Directory.TAG_ORIENTATION);
                 return rotate(data, exifOrientation);
             }
@@ -654,6 +656,7 @@ public class RCTCameraModule extends ReactContextBaseJavaModule
         final Boolean shouldMirror = options.hasKey("mirrorImage") && options.getBoolean("mirrorImage");
 
         RCTCamera.getInstance().adjustCameraRotationToDeviceOrientation(options.getInt("type"), deviceOrientation);
+        camera.setPreviewCallback(null);
         camera.takePicture(null, null, new Camera.PictureCallback() {
             @Override
             public void onPictureTaken(byte[] data, Camera camera) {