From 57dcc5f9dcf870e10e481613744ed24fe504e5e3 Mon Sep 17 00:00:00 2001
From: Jacob Hargrave <jacob.hargrave@medicaltracking.com>
Date: Tue, 1 Mar 2016 17:29:55 -0500
Subject: [PATCH] - fixing orientation of camera viewport for Android Nexus 5x
 devices

---
 android/ZBarScannerActivity.java | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/android/ZBarScannerActivity.java b/android/ZBarScannerActivity.java
index 435a929..081764e 100644
--- a/android/ZBarScannerActivity.java
+++ b/android/ZBarScannerActivity.java
@@ -28,6 +28,8 @@ import android.view.ViewGroup;
 import android.widget.FrameLayout;
 import android.widget.TextView;
 import android.content.pm.PackageManager;
+import android.view.Surface;
+
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -221,7 +223,29 @@ implements SurfaceHolder.Callback {
             return;
         }
     }
+    private void setCameraDisplayOrientation(Activity activity ,int cameraId) {
+        android.hardware.Camera.CameraInfo info =
+                new android.hardware.Camera.CameraInfo();
+        android.hardware.Camera.getCameraInfo(cameraId, info);
+        int rotation = activity.getWindowManager().getDefaultDisplay()
+                .getRotation();
+        int degrees = 0;
+        switch (rotation) {
+            case Surface.ROTATION_0: degrees = 0; break;
+            case Surface.ROTATION_90: degrees = 90; break;
+            case Surface.ROTATION_180: degrees = 180; break;
+            case Surface.ROTATION_270: degrees = 270; break;
+        }
 
+        int result;
+        if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
+            result = (info.orientation + degrees) % 360;
+            result = (360 - result) % 360;  // compensate the mirror
+        } else {  // back-facing
+            result = (info.orientation - degrees + 360) % 360;
+        }
+        camera.setDisplayOrientation(result);
+    }
     @Override
     public void onPause ()
     {
@@ -500,7 +524,9 @@ implements SurfaceHolder.Callback {
                     break;
                 }
                 // 90 degrees rotation for Portrait orientation Activity.
-                camera.setDisplayOrientation(rotation);
+               // camera.setDisplayOrientation(rotation);
+                setCameraDisplayOrientation(this, 0);
+
                 android.hardware.Camera.Parameters camParams = camera.getParameters();
 
                 //camParams.setFlashMode(Parameters.FLASH_MODE_TORCH);