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I am working on a Air application that loads external swf’s.

The problem is that there seems to be no way to catch unhandled exceptions that occur in the loaded swf files. This is really annoying in the development process (everytime I have to click on popups) and also not very good in runtime because you really want to report problems in these external swf’s.

The popups do not occur when deployed to a non-debugging application, so I guess I have to except this and stop moan about it, but if there is a way to catch it I really would like to know it, so that’s why I make a blogpost. You can comment using your Twitter Oath authentication.

This is the error that popups everytime I run the application that loads the swf file using SwfLoader;

TypeError: Error #1009: Cannot access a property or method of a null object reference. at exceptionTest_fla::MainTimeline/frame1()[exceptionTest_fla.MainTimeline::frame1:2]

[Frame1]
var textfield:TextField;
textfield.text = “test”;

And here’s the testcode that’s in the Air app, it’s very minimalistic, but it’s just for testing.

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Just found out that you can send multiple photo’s with iPhone 3.0
If you go to your photo library and click on the share icon you can select up to 5 photos and then send them with email. I send these photos to post@posterous.com and what see see here is the result of that, pretty cool I must say.

See and download the full gallery on posterous

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I got an email from my Viddler friend Shimon Sandler who published 8 videos featuring the CEO of Warner, Elektra and Atlantic. I really like the guiter play, so I’d thought I would made a post with all the videos easy clickable, yeah.

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I am working on a Air application where swf files are loaded with SwfLoader and where I want them to be able to write to disk. You can do this with events but I thought I’d look at using callback functions, and I must say I like it, it works pretty nice.

First the Air application. When the swf is loaded we tell the loaded swf wich function to use using the SetCallback function that must exist in the swf.

<?xml version=”1.0″ encoding=”utf-8″?>

<mx:WindowedApplication xmlns:mx=”http://www.adobe.com/2006/mxml” layout=”absolute“>

<mx:SWFLoader id=”loader” source=”LocalSaveTest.swf” complete=”initSwf()”></mx:SWFLoader>

<mx:Script>

<![CDATA[

import flash.filesystem.File;

import flash.filesystem.FileStream;

import flash.filesystem.FileMode;

public function initSwf() : void

{

(this.loader.content as MovieClip).SetCallback(AirFunc);

}

public function AirFunc(text:String) : String

{

SaveXmlToFile(text);

return "saved text to disk";

}

public function SaveXmlToFile(xml:String) : void

{

var file:File = File.applicationStorageDirectory.resolvePath("testfile.txt");

var stream:FileStream = new FileStream();

stream.open(file, FileMode.WRITE);

stream.writeUTFBytes(xml);

stream.close();

}

]]>

</mx:Script>

</mx:WindowedApplication>

And the swf file looks like this;

public var Callback:Function;

public function SetCallback(callback:Function) : void

{

this.Callback = callback;

}

case MouseEvent.CLICK:

//call the callback

var result:String = this.Callback(text);

break;

Also read following article

http://www.jadbox.com/2009/02/as3-optional-callback-method-warning/

I hope you liked this post, you can leave comments using your twitter credentials using OAth.

Bart

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