I am working with a wrapper around the FB JS libs, which is actually
running on a iPhone / PhoneGap that is calling the native FB Libs..
I have the following wrapper function that will log me out of FB and
call the success function on return
public static native void logout (AsyncCallback<JavaScriptObject>
callback) /*-{
$wnd.FB.logout(function(response){
@com.gwtfb.client.core.FBCore::callbackSuccess(Lcom/google/gwt/user/client/rpc/AsyncCallback;Lcom/google/gwt/core/client/JavaScriptObject;)(callback,response);
});
}-*/;
The response method is defined below. During execution, the logout function
just returns the
String "OK". From the diagnostics in the method below, obj is of class *
java.lang.String* and the
callback signature is *protected class LoginStatusCallback implements
AsyncCallback<JavaScriptObject> *
callback.onSuccess (obj); fails with a Class Cast Exception when running in
Prod Mode,
The try / catch around callback.onSuccess (obj) does get caught and it
successfully calls
the callback with null as a parameter. it just seems off that the obj
correctly identifies itself
as an instance of JavaScriptObject but fails on the call.. It works fine
hosted mode..
Thank You
John Gentilin
protected static void callbackSuccess(AsyncCallback<JavaScriptObject>
callback, JavaScriptObject obj)
{
m_Log.info("FB call response " + obj.toString());
if (obj instanceof JavaScriptObject )
{
m_Log.info(obj.getClass().getName());
if(callback != null)
{
try
{
m_Log.info(callback.getClass().getName());
callback.onSuccess (obj);
}
catch(Exception e)
{
m_Log.info("Exception in callback, calling success with null");
callback.onSuccess(null);
}
}
}
else
{
m_Log.info("Other than JavaScript Object returned on callback "
+obj.getClass().getName());
}
}
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