From 31a6da0676d095eec8e5db353e10caeae68821b3 Mon Sep 17 00:00:00 2001
From: Peter Staev <peter@tangrasoft.com>
Date: Tue, 2 Feb 2016 18:41:36 +0200
Subject: [PATCH] fix ios dialogs.action when message/title is null

---
 ui/dialogs/dialogs.ios.ts | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/ui/dialogs/dialogs.ios.ts b/ui/dialogs/dialogs.ios.ts
index 09b58101a..7e200cb79 100644
--- a/ui/dialogs/dialogs.ios.ts
+++ b/ui/dialogs/dialogs.ios.ts
@@ -403,10 +403,14 @@ function showUIAlertController(alertController: UIAlertController) {
 
             var lblColor = dialogsCommon.getLabelColor();
             if (lblColor) {
-                var title = NSAttributedString.alloc().initWithStringAttributes(alertController.title, <any>{ [NSForegroundColorAttributeName]: lblColor.ios });
-                alertController.setValueForKey(title, "attributedTitle");
-                var message = NSAttributedString.alloc().initWithStringAttributes(alertController.message, <any>{ [NSForegroundColorAttributeName]: lblColor.ios });
-                alertController.setValueForKey(message, "attributedMessage");
+                if (alertController.title) {
+                    var title = NSAttributedString.alloc().initWithStringAttributes(alertController.title, <any>{ [NSForegroundColorAttributeName]: lblColor.ios });
+                    alertController.setValueForKey(title, "attributedTitle");
+                }
+                if (alertController.message) {
+                    var message = NSAttributedString.alloc().initWithStringAttributes(alertController.message, <any>{ [NSForegroundColorAttributeName]: lblColor.ios });
+                    alertController.setValueForKey(message, "attributedMessage");
+                }
             }
 
             viewController.presentModalViewControllerAnimated(alertController, true);