[flexcoders] Problem Calling an ActionScript function from JavaScript

Malakhova, Ksenia S. Fri, 10 Mar 2006 17:07:41 -0800

Title: Problem Calling an ActionScript function from JavaScript

(Flex 1.5, AS 2)
In my application I need to a call ActionScript function from _javascript_ and pass a couple of parameters back to Actionscript. I am using Flash-_javascript_ integration kit for it. I got it to call the _javascript_ function from ActionScript and back. But it does not pass my parameters back to ActionScript. The result parameter in "sayHelloReturn" function is "undefined".

Here is the script I am using.

===========================================================================
// ActionScript Document
import fast.echo.Echo;
import com.macromedia._javascript_._javascript_Proxy;

public var jsProxy:_javascript_Proxy;

private function appInit(event:Object):Void {
        Echo.debug(_root.lcId);
        jsProxy = new _javascript_Proxy(_root.lcId, this);
        sayHello();

}
    //Calls _javascript_ sayHello function
function sayHello():Void
   {
     jsProxy.call("sayHello", "Homer");
        Echo.debug('Homer');
   }

    //This gets called when a value is returned from the sayHello function in
    //_javascript_
    function sayHelloReturn(result:Number):Void
    {
                Echo.debug('sayHelloReturn');
                Echo.debug(result);
        }

===========================================================================
//_javascript_ Document

<script type="text/_javascript_" src="">
<script type="text/_javascript_" src="">
<script type="text/_javascript_" src="">
<script type="text/_javascript_" src="">
<script type="text/_vbscript_" src="">

<script language="_javascript_">

    //create unique id
    var uid = new Date().getTime();

    //create proxy to flash
    var flashProxy = new FlashProxy(uid, '/common/_javascript_/_javascript_FlashGateway.swf');

    //this function is called from Flash
    function sayHello(n)
    {
                //alert ('got here');
        var returnString = "Hello " + n + "!";
                alert (returnString);
        flashProxy.call("sayHelloReturn",5, null);
    }

</script>

<script type="text/_javascript_">
    var tag = new FlashTag('/flex/internet/monitor/monitor/monitor.mxml.swf', '100%', '100%');
    tag.setFlashvars('lcId='+uid);
    tag.write(document);
</script>

===========================================================================

Any help you can provide will be greatly appreciated.

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[flexcoders] Problem Calling an ActionScript function from JavaScript

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