[orkut-developer] Question regarding use of Flash ExternalInterface in an Open Social app

[Mansur]

Hi,

I'm trying to develop an app with an embedded flash swf, and I'm
trying to use the ExternalInterface.call function from within the swf
to access a javascript function in the xml file. The js function
should pop up an alert message and return a string to the swf, but
does neither. I don't get any error message; I just don't get either
the alert message or the string returned. Is there some kind of a
parameter that needs to be set to use ExternalInterface? I've attached
the code used below. Thanks in advance for any help!

I apologize if this question has come up before. I searched, but
couldn't find something similar.

xml file :
<?xml version="1.0" encoding="UTF-8"?>
<Module>
<ModulePrefs title="Basic Game Simulator Test!">
        <Require feature="opensocial-0.7"/>
        <Require feature="flash" />
        <Require feature="views" />
  </ModulePrefs>
  <Content type="html">
    <![CDATA[
      <script type="text/javascript">


  var div = document.getElementById('profile_view');
  var div_status = document.getElementbyId('status_div');


  function getOwnerData() {
        var req = opensocial.newDataRequest();
        req.add(req.newFetchPersonRequest('OWNER'), 'owner');
        req.send(onLoadOwner);
  }


  function onLoadOwner(data) {
        var owner = data.get('owner').getData();

        var flashvars = "userName="+owner.getDisplayName();
        var flashAppId = "OpenSocial";

        var swfURL = "http://xxx.com/Game_Simulator.swf";;
        swfURL = swfURL + "?" + flashvars;

         document.getElementById('profile_view').innerHTML = "Called
Flash correctly";
        gadgets.flash.embedFlash(swfURL, "flashcontainer",
{swf_version: 8, id: flashAppId, width: 550, height: 400,
allowScriptAccess: "always" });
      }

//function called from the swf
function sendOrkutUpdate(win_score, loss_score)
  {
        document.getElementById('profile_view').innerHTML = ''+win_score;

      alert("JS function called");
     return "sendOrkutUpdate reached";
  }

  function init() {
     getOwnerData();
  }


      </script>
      <script>
        gadgets.util.registerOnLoadHandler(init);
      </script>
        <div id="flashcontainer" style="text-align: center;" width="550"
height="400" allowScriptAccess: "always"></div>
        <div id="profile_view"></div>
        <div id="status_div"></div>

    ]]>
  </Content>
</Module>


Code in swf :
on (release) {

        import flash.external.*;
        var EIcall = "default value";
        win_holder.text = ExternalInterface.available;
        try
        {
                EIcall = ExternalInterface.call("sendOrkutUpdate",
_root.win_holder.text, _root.loss_holder.text);

        }
        catch (err:Error)
        {
                status_holder.text = "Call to JS failed" ;
        }

        status_holder.text = EIcall ;

}
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