Merge "[NUI] Fix WidgetView dispose issue"

diff --combined src/Tizen.NUI/src/public/Widget.cs
index b6781ee,35fed51..37a53da
mode 100644,100755..100644
--- 1/src/Tizen.NUI/src/public/Widget.cs
--- 2/src/Tizen.NUI/src/public/Widget.cs
+++ b/src/Tizen.NUI/src/public/Widget.cs
@@@ -15,17 -15,13 +15,16 @@@
   *
   */
  using System;
 +using System.ComponentModel;
  using System.Runtime.InteropServices;
- using Tizen.Applications;
  
  namespace Tizen.NUI
  {
      /// <summary>
      /// Widget object should be created by WidgetApplication.
      /// </summary>
 +    /// This is an experimental feature. We do recommend not to use it.
 +    [EditorBrowsable(EditorBrowsableState.Never)]
      public class Widget : BaseHandle
      {
          private global::System.Runtime.InteropServices.HandleRef swigCPtr;
@@@ -60,6 -56,35 +59,35 @@@
              //Release your own unmanaged resources here.
              //You should not access any managed member here except static instance.
              //because the execution order of Finalizes is non-deterministic.
+             if (_createCallback != null)
+             {
+                 this.CreateSignal().Disconnect(_createCallback);
+             }
+ 
+             if (_pauseCallback != null)
+             {
+                 this.PauseSignal().Disconnect(_pauseCallback);
+             }
+ 
+             if (_resizeCallback != null)
+             {
+                 this.ResizeSignal().Disconnect(_resizeCallback);
+             }
+ 
+             if (_resumeCallback != null)
+             {
+                 this.ResumeSignal().Disconnect(_resumeCallback);
+             }
+ 
+             if (_terminateCallback != null)
+             {
+                 this.TerminateSignal().Disconnect(_terminateCallback);
+             }
+ 
+             if (_updateCallback != null)
+             {
+                 this.UpdateSignal().Disconnect(_updateCallback);
+             }
  
              if (swigCPtr.Handle != global::System.IntPtr.Zero)
              {
@@@ -624,4 -649,4 +652,4 @@@
              Resume = 4
          }
      }
- }
+ }