How can I get the external classes to work in AS3? Sample included.

I'm doing this work, and something basic must be absent.  Its straight out of the Adobe Help file example.

CS4, Actionscript 3

Here's what I do:

1 create a .as file and name it "HelloWorldExample.

2 put the script below into it and save it.

3. create a .fla file and save it in the same directory.

4. in the .fla file, put "HelloWorldExample" in the class of Document properties field

5 save and run the film.

I get a white screen.  Nothing.  I tried a few other examples, but I was not able to get ALL of the external .as files to run. It is the simplest.

Do I need to import them or call them in some way other than step 4?

I missed something?

package

{

flash.text.engine import. *;

import flash.display.Sprite;

SerializableAttribute public class HelloWorldExample extends Sprite

{

public void HelloWorldExample()

{

var str = "Hello World!" This is Flash Text Engine! « ;

var format: ElementFormat = new ElementFormat();

var textElement: TextElement = new TextElement (str, format);

var textBlock:TextBlock = new TextBlock();

textBlock.content = textElement;

var textLine1:TextLine = textBlock.createTextLine (null, 300);

addChild (textLine1);

textLine1.x = 30;

textLine1.y = 30;

}

}

}

As long as you have your class paths set correctly, it is best to have your .as files in an another loc that your. Fla. What happens if you want to use the same class in different .fla? You will copy in each project file? That kind of defeats, the purpose of the use of classes and then, because if you change it you must change it in various places. Not good. No OOD.

So: Edit > Preferences > AS3 settings - add paths to the source path, or a path... something like c:\flashclasses\as3

Inside of your as3 application you assign to your package files. If you use TweenLite need you:

com

greensock

TweenLite classes

or yours:

com

Mydomain

my classes

then you would be important as:

import com.greensock.TweenLite;

import com.myDomain.myClass;

Make sense?

Tags: Adobe Animate

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