[NUI] Support constructor with default parameter (#893)

diff --git a/src/Tizen.NUI/src/internal/Xaml/CreateValuesVisitor.cs b/src/Tizen.NUI/src/internal/Xaml/CreateValuesVisitor.cs
index c4e4c50..9801ff8 100755 (executable)
--- a/src/Tizen.NUI/src/internal/Xaml/CreateValuesVisitor.cs
+++ b/src/Tizen.NUI/src/internal/Xaml/CreateValuesVisitor.cs
@@ -88,7 +88,16 @@ namespace Tizen.NUI.Xaml
                     }
                     if (value == null)
                     {
-                        value = Activator.CreateInstance(type);
+                        if (type.GetTypeInfo().DeclaredConstructors.Any(ci => ci.IsPublic && ci.GetParameters().Length == 0))
+                        {
+                            //default constructor
+                            value = Activator.CreateInstance(type);
+                        }
+                        else
+                        {
+                            //constructor with all default parameters
+                            value = Activator.CreateInstance(type, BindingFlags.CreateInstance | BindingFlags.Public | BindingFlags.Instance | BindingFlags.OptionalParamBinding, null, new object[] { Type.Missing }, CultureInfo.CurrentCulture);
+                        }
                         if (value is Element)
                         {
                             if (null != Application.Current)
@@ -216,7 +225,7 @@ namespace Tizen.NUI.Xaml
             if (!node.Properties.ContainsKey(XmlName.xFactoryMethod))
             {
                 //non-default ctor
-                object ret = Activator.CreateInstance(nodeType, arguments);
+                object ret = Activator.CreateInstance(nodeType, BindingFlags.CreateInstance | BindingFlags.Public | BindingFlags.Instance | BindingFlags.OptionalParamBinding, null, arguments, CultureInfo.CurrentCulture); ;
                 if (ret is Element)
                 {
                     if (null != Application.Current)