I’m trying to use the Youtube Chromeless Player (the new AS3 version) in a

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Asked: May 16, 20262026-05-16T23:36:25+00:00 2026-05-16T23:36:25+00:00

I’m trying to use the Youtube Chromeless Player (the new AS3 version) in a

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I’m trying to use the Youtube Chromeless Player (the new AS3 version) in a Flex 4-based project. I’m using the examples provided by Google, but I’m not having any luck. The player loads, but it can’t be interacted with. I’m receiving repeated security errors just from mousing over the player:

*** Security Sandbox Violation ***
SecurityDomain 'http://www.youtube.com/apiplayer?version=3' tried to access
incompatible context 'file:///Users/jbuhler/Sites/YoutubeTests/bin-debug/YoutubeTest.html'

I’ve tried adding Security.allowDomain(“www.youtube.com”); to my creationComplete handler before loading the player, and still receive the same errors.

I’ve also tried using a SWFLoader like so:

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" 
           xmlns:s="library://ns.adobe.com/flex/spark" 
           xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"
           initialize="onInit()">
<fx:Declarations>
    <!-- Place non-visual elements (e.g., services, value objects) here -->
</fx:Declarations>

<fx:Script>
    <![CDATA[

        private function onInit ():void
        {
            Security.allowDomain("www.youtube.com");
        }
    ]]>
</fx:Script>
<mx:SWFLoader source="http://www.youtube.com/apiplayer?version=3" />
</s:Application>

I’ve been at this for a few hours now, and haven’t had any success. I also can’t seem to find any working examples online. Is this new player just not compatible with Flex 4?