Library to help Flash, Flex and ActionScript clients connect to Socket.IO servers.
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Latest commit bc2d2de Apr 25, 2012
Simeon Bateman
Simeon Bateman Merge pull request #14 from catoc/0.7.x
 use decodeURIComponent() instead of unescape() to support multibyte data


Flash library to facilitate communication between Flex applications and Socket.IO servers.

The actual websocket communication is taken care of by my fork of gimite/web-socket-js project.

This project wraps that and facilitates the hearbeat and en/decoding of messages so they work with Socket.IO servers


Because this project makes use of git submodules you must make use of the recursive clone.

git clone --recursive git://


Because this library is dependent on the websocket library, you must add the support/websocket-js path to you source path in flash builder or your build files.


For 0.7 and 0.8 you will need to use the Beta swc that you can find in the downloads section. Currently in beta.

An example of a flex application connecting to a server on localhost is below

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="" 
			   xmlns:mx="library://" minWidth="955" minHeight="600"
		<s:VerticalLayout />
		<!-- Place non-visual elements (e.g., services, value objects) here -->
			import com.pnwrain.flashsocket.FlashSocket;

			import mx.controls.Alert;

			protected var socket:FlashSocket;

			protected function application1_creationCompleteHandler(event:FlexEvent):void

				socket = new FlashSocket("localhost:8080");
				socket.addEventListener(FlashSocketEvent.CONNECT, onConnect);
				socket.addEventListener(FlashSocketEvent.MESSAGE, onMessage);
				socket.addEventListener(FlashSocketEvent.IO_ERROR, onError);
				socket.addEventListener(FlashSocketEvent.SECURITY_ERROR, onError);

				socket.addEventListener("my other event", myCustomMessageHandler);

			protected function myCustomMessageHandler(event:FlashSocketEvent):void{'we got a custom event!')	

			protected function onConnect(event:FlashSocketEvent):void {



			protected function onError(event:FlashSocketEvent):void {

				setStatus("something went wrong");


			protected function setStatus(msg:String):void{

				status.text = msg;

			protected function clearStatus():void{

				status.text = "";
				this.currentState = "";


			protected function onMessage(event:FlashSocketEvent):void{

				trace('we got message: ' +;
				socket.send({msgdata:},"my other event");


	<s:Label id="status" />
	<s:Label id="glabel" />