Fix AccessibilityCalculateStatesWrapper

diff --git a/src/Tizen.NUI/src/public/BaseComponents/ViewAccessibilityWrappers.cs b/src/Tizen.NUI/src/public/BaseComponents/ViewAccessibilityWrappers.cs
index 30f2da4..52dc2aa 100644 (file)
--- a/src/Tizen.NUI/src/public/BaseComponents/ViewAccessibilityWrappers.cs
+++ b/src/Tizen.NUI/src/public/BaseComponents/ViewAccessibilityWrappers.cs
@@ -95,8 +95,11 @@ namespace Tizen.NUI.BaseComponents
         private static ulong AccessibilityCalculateStatesWrapper(IntPtr self, ulong initialStates)
         {
             View view = GetViewFromRefObject(self);
+            if (view == null)
+                return 0UL;
+            
             ulong bitMask = 0UL;
-
+            
             lock (AccessibilityInitialStates)
             {
                 AccessibilityInitialStates.BitMask = initialStates;