[NUI] Fix exception defect when LanguageChanged event has come

- LocaleLanguageChanged event should be unsubscribed when TextLabel, TextField, TextEditor are disposed.

diff --git a/src/Tizen.NUI/src/public/BaseComponents/TextEditor.cs b/src/Tizen.NUI/src/public/BaseComponents/TextEditor.cs
index f38919c..d9b47c6 100755 (executable)
--- a/src/Tizen.NUI/src/public/BaseComponents/TextEditor.cs
+++ b/src/Tizen.NUI/src/public/BaseComponents/TextEditor.cs
@@ -1250,6 +1250,11 @@ namespace Tizen.NUI.BaseComponents
                 return;
             }
 
+            if (systemlangTextFlag)
+            {
+                SystemSettings.LocaleLanguageChanged -= SystemSettings_LocaleLanguageChanged;
+            }
+
             //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.
@@ -1287,7 +1292,7 @@ namespace Tizen.NUI.BaseComponents
             {
                 if (systemlangTextFlag == false)
                 {
-                    SystemSettings.LocaleLanguageChanged += new WeakEventHandler<LocaleLanguageChangedEventArgs>(SystemSettings_LocaleLanguageChanged).Handler;
+                    SystemSettings.LocaleLanguageChanged += SystemSettings_LocaleLanguageChanged;
                     systemlangTextFlag = true;
                 }
                 return translatableText;

diff --git a/src/Tizen.NUI/src/public/BaseComponents/TextField.cs b/src/Tizen.NUI/src/public/BaseComponents/TextField.cs
index e718e8d..2d362e3 100755 (executable)
--- a/src/Tizen.NUI/src/public/BaseComponents/TextField.cs
+++ b/src/Tizen.NUI/src/public/BaseComponents/TextField.cs
@@ -1379,6 +1379,11 @@ namespace Tizen.NUI.BaseComponents
                 return;
             }
 
+            if (systemlangTextFlag)
+            {
+                SystemSettings.LocaleLanguageChanged -= SystemSettings_LocaleLanguageChanged;
+            }
+
             if (type == DisposeTypes.Explicit)
             {
                 //Called by User
@@ -1423,7 +1428,7 @@ namespace Tizen.NUI.BaseComponents
             {
                 if (systemlangTextFlag == false)
                 {
-                    SystemSettings.LocaleLanguageChanged += new WeakEventHandler<LocaleLanguageChangedEventArgs>(SystemSettings_LocaleLanguageChanged).Handler;
+                    SystemSettings.LocaleLanguageChanged += SystemSettings_LocaleLanguageChanged;
                     systemlangTextFlag = true;
                 }
                 return translatableText;

diff --git a/src/Tizen.NUI/src/public/BaseComponents/TextLabel.cs b/src/Tizen.NUI/src/public/BaseComponents/TextLabel.cs
index be8ce34..250bd28 100755 (executable)
--- a/src/Tizen.NUI/src/public/BaseComponents/TextLabel.cs
+++ b/src/Tizen.NUI/src/public/BaseComponents/TextLabel.cs
@@ -211,7 +211,7 @@ namespace Tizen.NUI.BaseComponents
                     Text = translatableText;
                     if (systemlangTextFlag == false)
                     {
-                        SystemSettings.LocaleLanguageChanged += new WeakEventHandler<LocaleLanguageChangedEventArgs>(SystemSettings_LocaleLanguageChanged).Handler;
+                        SystemSettings.LocaleLanguageChanged += SystemSettings_LocaleLanguageChanged;
                         systemlangTextFlag = true;
                     }
                 }
@@ -970,6 +970,11 @@ namespace Tizen.NUI.BaseComponents
                 return;
             }
 
+            if (systemlangTextFlag)
+            {
+                SystemSettings.LocaleLanguageChanged -= SystemSettings_LocaleLanguageChanged;
+            }
+
             if (type == DisposeTypes.Explicit)
             {
                 //Called by User