From 6e48b2cfb0f6c1d8dd6007b2daf566f635e4ceb9 Mon Sep 17 00:00:00 2001
From: Alistair McMillan <alistairmcmillan75@gmail.com>
Date: Thu, 31 Mar 2016 20:04:01 +0100
Subject: [PATCH] Fix for Facebook post not working

Solution found here http://stackoverflow.com/a/24854803/35794
---
 Classes/WDCanvasController.m | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Classes/WDCanvasController.m b/Classes/WDCanvasController.m
index 67ceae0..d5e62d4 100644
--- a/Classes/WDCanvasController.m
+++ b/Classes/WDCanvasController.m
@@ -1415,7 +1415,9 @@ - (void) postOnFacebook:(id)sender
     [facebookSheet addImage:self.drawing.image];
     [facebookSheet setInitialText:NSLocalizedString(@"Check out my Inkpad drawing!", @"Check out my Inkpad drawing!")];
     
-    [self presentViewController:facebookSheet animated:YES completion:nil];
+    dispatch_async(dispatch_get_main_queue(), ^ {
+        [self presentViewController:facebookSheet animated:YES completion:nil];
+    });
 }
 
 - (void) tweetDrawing:(id)sender