AS3: Using Loader for SWFs, JPEGs, GIF, and PNGs - ActionScript 3 Snipplr Social Repository

Revision: 5101

at March 24, 2008 11:09 by chrisaiv

Updated Code

/********************************
Event Listeners
********************************/
var imgLoader:Loader = new Loader();
	initBasicListeners( imgLoader );
	imgLoader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, progressHandler, false, 0, true);
	imgLoader.contentLoaderInfo.addEventListener(Event.COMPLETE, onCompleteHandler, false, 0, true);
	imgLoader.load(new URLRequest(asset));

//These Event Listeners are used a lot so let's try to minimize redundancies
function initBasicListeners(dispatcher:IEventDispatcher):void
{
	dispatcher.addEventListener(HTTPStatusEvent.HTTP_STATUS, httpStatusHandler, false, 0, true);
	dispatcher.addEventListener(SecurityErrorEvent.SECURITY_ERROR, securityErrorHandler, false, 0, true);	
	dispatcher.addEventListener(IOErrorEvent.IO_ERROR, ioErrorHandler, false, 0, true);
}

/********************************
Event Handlers
********************************/
function httpStatusHandler (e:Event):void
{
	//trace("httpStatusHandler:" + e);
}
function securityErrorHandler (e:Event):void
{
	trace("securityErrorHandler:" + e);
}
function ioErrorHandler(e:Event):void
{
	trace("ioErrorHandler: " + e);
}
function progressHandler(e:Event):void
{
	trace(e.currentTarget.bytesLoaded + " / " + e.currentTarget.bytesTotal);
}

function onCompleteHandler (e:Event):void
{
	trace("imgCompleteHandler:" + e.currentTarget.content + " "  + e.currentTarget.loader);
	addChild( e.currentTarget.loader );
}

Revision: 5100

at March 24, 2008 11:05 by chrisaiv

Updated Code

var imgLoader:Loader = new Loader();
	initBasicListeners( imgLoader );
    imgLoader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, progressHandler, false, 0, true);
	imgLoader.contentLoaderInfo.addEventListener(Event.COMPLETE, onCompleteHandler, false, 0, true);
	imgLoader.load(new URLRequest(asset));

function initBasicListeners(dispatcher:IEventDispatcher):void
{
	dispatcher.addEventListener(HTTPStatusEvent.HTTP_STATUS, httpStatusHandler, false, 0, true);
	dispatcher.addEventListener(SecurityErrorEvent.SECURITY_ERROR, securityErrorHandler, false, 0, true);	
	dispatcher.addEventListener(IOErrorEvent.IO_ERROR, ioErrorHandler, false, 0, true);
}

function onCompleteHandler (e:Event):void
{
	trace("imgCompleteHandler:" + e.currentTarget.content + " "  + e.currentTarget.loader);
    addChild(imgLoader);
}
function httpStatusHandler (e:Event):void
{
	//trace("httpStatusHandler:" + e);
}
function securityErrorHandler (e:Event):void
{
	trace("securityErrorHandler:" + e);
}
function ioErrorHandler(e:Event):void
{
	trace("ioErrorHandler: " + e);
}
function progressHandler(e:Event):void
{
	trace(e.currentTarget.bytesLoaded + " / " + e.currentTarget.bytesTotal);
}

Revision: 5099

at February 22, 2008 02:18 by chrisaiv

Updated Code

var imgLoader:Loader = new Loader();
    imgLoader.addEventListener(Event.COMPLETE, onCompleteHandler);
    imgLoader.addEventListener(HTTPStatusEvent.HTTP_STATUS, httpStatusHandler);
    imgLoader.addEventListener(SecurityErrorEvent.SECURITY_ERROR, securityErrorHandler);
    imgLoader.addEventListener(IOErrorEvent.IO_ERROR, ioErrorHandler);
    imgLoader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, progressHandler);
    imgLoader.load(new URLRequest(asset));

    addChild(imgLoader);

function onCompleteHandler (e:Event):void
{
	trace("imgCompleteHandler:" + e.currentTarget.content + " "  + e.currentTarget.loader);
}
function httpStatusHandler (e:Event):void
{
	//trace("httpStatusHandler:" + e);
}
function securityErrorHandler (e:Event):void
{
	trace("securityErrorHandler:" + e);
}
function ioErrorHandler(e:Event):void
{
	trace("ioErrorHandler: " + e);
}
function progressHandler(e:Event):void
{
	trace(e.currentTarget.bytesLoaded + " / " + e.currentTarget.bytesTotal);
}

Revision: 5098

at February 20, 2008 00:41 by chrisaiv

Updated Code

var imgLoader:Loader = new Loader();
    imgLoader.addEventListener(Event.COMPLETE, onCompleteHandler);
    imgLoader.addEventListener(HTTPStatusEvent.HTTP_STATUS, httpStatusHandler);
    imgLoader.addEventListener(SecurityErrorEvent.SECURITY_ERROR, securityErrorHandler);
    imgLoader.addEventListener(IOErrorEvent.IO_ERROR, ioErrorHandler);
    imgLoader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, progressHandler);
    imgLoader.load(new URLRequest(asset));

    addChild(imgLoader);

function onCompleteHandler (e:Event):void
{
	trace("imgCompleteHandler:" + e.currentTarget);
}
function httpStatusHandler (e:Event):void
{
	//trace("httpStatusHandler:" + e);
}
function securityErrorHandler (e:Event):void
{
	trace("securityErrorHandler:" + e);
}
function ioErrorHandler(e:Event):void
{
	trace("ioErrorHandler: " + e);
}
function progressHandler(e:Event):void
{
	trace(e.currentTarget.bytesLoaded + " / " + e.currentTarget.bytesTotal);
}

Revision: 5097

at February 20, 2008 00:33 by chrisaiv

Updated Code

var imgLoader:Loader = new Loader();
    imgLoader.addEventListener(Event.COMPLETE, onCompleteHandler);
    imgLoader.addEventListener(HTTPStatusEvent.HTTP_STATUS, httpStatusHandler);
    imgLoader.addEventListener(SecurityErrorEvent.SECURITY_ERROR, securityErrorHandler);
    imgLoader.addEventListener(IOErrorEvent.IO_ERROR, ioErrorHandler);
    imgLoader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, progressHandler);
    imgLoader.load(new URLRequest(asset));

    addChild(imgLoader);

function onCompleteHandler	(e:Event):void
{
	trace("imgCompleteHandler:" + e.currentTarget);
}
function httpStatusHandler (e:Event):void
{
	//trace("httpStatusHandler:" + e);
}
function securityErrorHandler (e:Event):void
{
	trace("securityErrorHandler:" + e);
}
function ioErrorHandler(e:Event):void
{
	trace("ioErrorHandler: " + e);
}
function progressHandler(e:Event):void
{
	trace(e.currentTarget.bytesLoaded + " / " + e.currentTarget.bytesTotal);
}

Revision: 5096

at February 11, 2008 17:35 by chrisaiv

Updated Code

var imgLoader:Loader = new Loader();
    imgLoader.addEventListener(Event.COMPLETE, imgCompleteHandler);
    imgLoader.addEventListener(HTTPStatusEvent.HTTP_STATUS, httpStatusHandler);
    imgLoader.addEventListener(SecurityErrorEvent.SECURITY_ERROR, securityErrorHandler);
    imgLoader.addEventListener(IOErrorEvent.IO_ERROR, ioErrorHandler);
    imgLoader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, progressHandler);
    imgLoader.load(new URLRequest(asset));

    addChild(imgLoader);

function imgCompleteHandler	(e:Event):void
{
	trace("imgCompleteHandler:" + e.currentTarget);
}
function httpStatusHandler (e:Event):void
{
	//trace("httpStatusHandler:" + e);
}
function securityErrorHandler (e:Event):void
{
	trace("securityErrorHandler:" + e);
}
function ioErrorHandler(e:Event):void
{
	trace("ioErrorHandler: " + e);
}
function progressHandler(e:Event):void
{
	trace(e.currentTarget.bytesLoaded + " / " + e.currentTarget.bytesTotal);
}

Revision: 5095

at February 11, 2008 17:33 by chrisaiv

Initial Code

var imgLoader:Loader = new Loader();
	imgLoader.addEventListener(Event.COMPLETE, imgCompleteHandler);
	imgLoader.addEventListener(HTTPStatusEvent.HTTP_STATUS, httpStatusHandler);
	imgLoader.addEventListener(SecurityErrorEvent.SECURITY_ERROR, securityErrorHandler);
	imgLoader.addEventListener(IOErrorEvent.IO_ERROR, ioErrorHandler);
	imgLoader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, progressHandler);
	imgLoader.load(new URLRequest(asset));

	addChild(imgLoader);

function imgCompleteHandler	(e:Event):void
{
	trace("imgCompleteHandler:" + e.currentTarget);
}
function httpStatusHandler (e:Event):void
{
	//trace("httpStatusHandler:" + e);
}
function securityErrorHandler (e:Event):void
{
	trace("securityErrorHandler:" + e);
}
function ioErrorHandler(e:Event):void
{
	trace("ioErrorHandler: " + e);
}
function progressHandler(e:Event):void
{
	trace(e.currentTarget.bytesLoaded + " / " + e.currentTarget.bytesTotal);
}

Initial URL

Initial Description

The Loader class is used for handling Bitmap data such as jpegs, pngs and gifs.  The only handlers most will find relevant are progressHandler and onCompleteHandler but I listed all of the available ones for people interested in creating bulletproof apps.

Initial Title

AS3: Using Loader for SWFs, JPEGs, GIF, and PNGs

Initial Tags

Initial Language

ActionScript 3

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