Merge branch 'develop'

Author: danielbarela

Mage/ExternalDevice.m

@@ -34,7 +34,11 @@ + (void) checkCameraPermissionsForViewController: (UIViewController *) viewContr
             break;
         }
         case AVAuthorizationStatusNotDetermined: {
-            [AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo completionHandler:complete];
+            [AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo completionHandler:^(BOOL granted) {
+                dispatch_async(dispatch_get_main_queue(), ^{
+                    complete(granted);
+                });
+            }];
             break;
         }
         case AVAuthorizationStatusRestricted: {
@@ -92,7 +96,11 @@ + (void) checkMicrophonePermissionsForViewController: (UIViewController *) viewC
             break;
         }
         case AVAuthorizationStatusNotDetermined: {
-            [AVCaptureDevice requestAccessForMediaType:AVMediaTypeAudio completionHandler:complete];
+            [AVCaptureDevice requestAccessForMediaType:AVMediaTypeAudio completionHandler:^(BOOL granted) {
+                dispatch_async(dispatch_get_main_queue(), ^{
+                    complete(granted);
+                });
+            }];
             break;
         }
         case AVAuthorizationStatusRestricted: {