ActionScript 3.0 :: Extracting Multiple Classes From An Swf File Using ContentLoaderInfo.applicationDomain.getDefinition
Jan 14, 2010
I'm building a 10 channel mixer/remixer in Flash. Users can select a "song" to load from an xml driven combo box at the top of the application. In the document class, there is a function that takes the selected item from the combo box and loads in an external swf, which just serves as a library for the 10 sounds of a particular song. I then have to extract each of these sounds by their class names ("Track1", "Track2", "Track3", etc...) and send them off to their respective "MixerChannel" objects. As you can see, the following code block in the "initHandler" is pretty long and redundant. Is there any other way/shortcuts I can use to reduce the code a bit?
[Code]....
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Jan 13, 2010
I have made a Flash app in which there is an class called "MyGame.Person" which has multiple subclasses "MyGame.PoliceMan", "MyGame.FireMan", "MyGame.Doctor" etc. "MyGame.Person" is defined in the main .fla file, but the other classes are each defined in separate .fla files. I have split each into its own .swf file so that I can extend the game without having to reissue the main .swf file.I then use a Loader to download each .swf file and call
var assetClass:Class = myLoader.contentLoaderInfo.applicationDomain.getDefinition(assetClass Name) as Class;
to extract the class from the downloaded swf file. So if assetClassName is
[code].....
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Oct 21, 2011
I have been developing two seperate flash projects and the time has come for them to merge. To do this i have decided that, rather than try to mash the code together, i will simply use a loader to load and unload the second SWF as needed. My problem is that the SWF to be loaded uses:
Code:
var className:String = Entities[No];
var libraryDomain:ApplicationDomain = stage.loaderInfo.applicationDomain;
if (libraryDomain.hasDefinition(className)) {
var MyClass:Class = libraryDomain.getDefinition(className) as Class;
item = new MyClass();
[Code]...
This works fine seperately, but when the SWF is embedded into the parent SWF it seems to use the parent's library rather than its own. (if i put an item in the parents library it can load it, otherwise it throws an error). Is there any way to keep the child SWF using its own library? and if not, any other way to do this?
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Feb 16, 2009
I have created a list of Classes in a school in Excel and saved it as an XML file. In each row it contains the name of the class followed by a list of class members. In col 1 is the word "Class", in the next col is "7C1" ( or equivalent) then each cell after that contains the names of the class members. I can load the XML file no problem, and display the full contents using 'trace', but I don't seem to be able to extract just the class names and student names to use in a Flash application. The code I'm using so far is attached.
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Oct 18, 2010
I'm trying to compile AS files using the mxmlc but the particular class depends on other classes. My command is something like this: mxmlc -includes classA classB -source-path=. com.example.com.classC.
This gave me classC.swf but when I loaded it, it was still looking for classA.swf and classB.swf. Is there anyway I can have just one swf file?
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Dec 27, 2009
Is there a way I can load an xml-file in a separate as-file and use this for multiple classes? (Or, should I load the xml-file in every class I want to use it in)
for example i set up a basic xml structure
test.xml
Code:
<xml>
<first>use this data in the first class</first>
<second>use this data in the second class</second>
[Code].....
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Dec 5, 2009
So, what exactly are the rules on several classes inside of one AS file?So far, the only way I have been able to do this is by putting the class outside of the package brackets with no namespace selected (which I believe means 'internal' by default, right?)[code]So, using this notation, I'm wondering if a few things are possible:
1. Putting several 'secret' classes in the same AS file?
2. Making these classes public via the "Main" class, the one that the AS file is actually made for?Both examples applied here. Are these the right ways to do this?:[code]
3. Since these classes are marked as internal, they should be available to classes which extend the Main class AND classes in the same package without any import statements, correct?
4. Does embedding classes like this affect performance in any way?
5. Will these embedded classes always be compiled even if they are never accessed or referenced, similar to Library items or other classes?
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Apr 13, 2009
I've created a preloader using the following script:
mySWF.contentLoaderInfo.addEventListener(ProgressE vent.PROGRESS, loop);
mySWF.contentLoaderInfo.addEventListener(Event.COM PLETE, done);
Works, but even if the content has been previously downloaded there is still a quick flicker of frame1 of the preloader...is there a way to avoid this (in AS2 you could check, if loaded)? Is there a way to arrange...maybe using an if statement...to avoid the flicker? Basically if the file is available locally bypass frame1 of the preloader and go to frame2?
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Jan 9, 2010
The examples I'll use don't do anything - they're classes without ANY members - no variables, methods, anything.
Let's say I extends Sprite and call it MySprite.
I save it in test.core
[code]...
Now I create another custom class called MyWindow that extends MySprite.
I save it in test.windows
[code]...
Then I create another class that extends MyWindows (the example I'll use is a document class - but that doesn't matter - I've tested using an instance too).
[code]...
Notice that I'm not even trying to instantiate the helper classes - just having them there throws the error.
If there is only a single helper class, everything runs fine.
Also note that - as far as I can tell - this only happens when extending one class from another package, then extending that class with more than one helper object.I'm pretty sure there's no namespace bumps or typographical errors, as this is a very pared-down version of the original application.
EDIT: seems the problem exists even without the crossing packages - even extending MySprite in the document class with multiple internal classes generates this error.
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Jun 2, 2009
I'm having trouble extracting the data from an XML file that I've loaded into arrays in flash.
Ultimately the XML file will sit on a server and will be updated separately from the flash file.
What I am trying to do is get text boxes to pull in the data from an array when a button is rolled over.
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May 22, 2009
As I am building a Flex framework for minigames, I plan to bundle a bunch of graphic assets (movieclip symbols) into a single swf file, which I will load into my Flex application, before extracting the symbols from the swf file for use in my application
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Feb 25, 2012
I have a flash object (with an swf extension). The flash object contains an image which I need to extract and use instead of the swf file..especially for devices not supporting flash. How can we extract the image from an swf (flash) file? what tools can I use?
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Mar 29, 2004
I was wondering if there is an easy way to get just the actionscript out of a flash file apart from decompiling it, as you loose a lot from doing it this way...I also dont have the time to manually rip it out in chunks.
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Apr 6, 2011
I'm using MTASC's haXe to compile SWF from AS. Considering I don't have Adobe CS, what are our options to extract the action scripts from any FLA file?
I mean different versions, like CS4, CS5, etc. Converting older versions to CS5
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Aug 23, 2009
Is there an as3 solution for extracting file content from uncompressed tar files around?
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Feb 4, 2012
I have been trying to extract information from this file on YouTube using AS3. I have managed to access ytID (YouTube video ID) along with the ytName (YouTube video name) from a specific channel (called through the loader). I am stumped on how to get the thumbnail URL. I have managed to find out that through YouTube, its tag is media:thumbnail, however, Flash gives me an error for trying to use a semicolon.
ActionScript Code:
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May 6, 2011
I have an actionscript project which uses visual symbols from an SWC. I have a CheckoutButton which has the following class associated with it (compiled into the SWC in Flash CS3).
[Code]...
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Jul 26, 2010
What I am trying to do is to use shared runtime library by loading a swf ('index.swf') which has numerous library objects which are named in sequence such as:
(orange1,orange2,orange3,orange4)
(red1,red2,red3,red4)
I am able to load the swf('index.swf') without any issues and even am able to load the right library asset, but I have to declare the full name as string such as getDefinition('orange1'). What I would like to do is to match first three letters of string and then run a for loop to load up all the classes that match the first three letters. I usually can do this by employing indexOf() method.
here is my code:
public function loadContent():void
{
ldr.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, progressHandler);
ldr.contentLoaderInfo.addEventListener(Event.COMPLETE, onloadHandler);
[Code]....
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Jul 2, 2011
Can somebody explain what is the difference between getDefinitionByName and getDefinition inA AS3?When I load an external SWF I can't use getDefinitionByName because I get an Error #1065.
But using externalSWF_ContentLoaderInfo.applicationDomain.getDefinition works OK.So, why getDefinitionByName doesn't find the className?I mean, if the definition is inside the applicationDomain of the loaded SWF, why is not in the main SWF too? (I'm using Flex). I can't create new tags so I can't add the tags getDefinition and getDefinitionByName.
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Jun 11, 2011
EDIT: For whatever reason, it works in the browser but not when compiled/debugged within the IDE.I can't get my external SWFs to pick up on dispatches from my singleton event manager (EventDispatcher). Here are the particulars:
I add children from an external SWF using the getDefinition method to my main SWF.I'm using a singleton EventDispatcher that is in charge of listeners and dispatching.Using a custom event class.In this code, I am trying to get a mute button to tell the main SWF that the mute icon has been clicked (SoundClipEvent.MUTE_CLICK). After the sound has been muted, it should dispatch the event (SoundClipEvent.STATE) and confirm to the muteIcon the state. Currently, the mute icon successfully dispatches the MUTE_CLICK event and the main SWF document class is able to pick it up. MuteIcon (child SWF MC) hears nothing from the singleton.
SoundClipManager.as:
import flash.events.Event;
import flash.events.EventDispatcher;
public dynamic class SoundClipManager extends EventDispatcher {
[code]....
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Feb 12, 2009
I am instantiating assets (skins) from external SWF:
Code:
var asset : Class = loader.contentLoaderInfo.applicationDomain.getDefinition(myName) as Class;
var myClip : MovieClip = new asset() as MovieClip;
all works well but...The assets in library are basically images (jpegs) and I would like to avoid encapsulating them into MovieClips when you can export them for actionscript directly. This could significantly improve my work flow, but...
The problem is that the base class for any image in the library is BitmapData and the constructor for BitmapData needs two arguments, width and height which could vary...
Code:
var asset : Class = loader.contentLoaderInfo.applicationDomain.getDefinition(myName) as Class;
var myBmp : BitmapData = new asset(?, ?) as BitmapData ;
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Nov 5, 2009
How do you subclass multiple classes. I have a class that subclasses MovieClip. I added a new feature. Now its yelling that my class needs to subclass SimpleButton. I know there both part of the display class. But how do you subclass that?
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Nov 14, 2011
multiple classes and then register each movieclip from the library to a different class? It isnt working for me. I created two different classes and created two entire different movieClips and registered each movie clips to a different class. However, I can only use on movieClip at a time, when I use the duplicateMovieClip. command to create copies of the movieclip, i find that only those movieclips, whose class i declared first, appear on stage
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Nov 28, 2009
I'm trying to set up an AS3 project using a single package, that will have multiple classes coded in seperate files.I am looking for examples and tutorials for this kind of project.As I understand it, these files must have the same package, and their class must be public. This will allow the multiple files and various classes to be used in the single package.[code]Either of both of these files could then be imported into the main movie and their classes / functions used in the package.
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Jul 7, 2011
As a part of a class I have been asked to place a preloader in front of my projects. I can't believe how tough this is. I get the best results when I use an URLRequest, but I want to understand the timeline.When I put a working preloader in front of my movie it doesn't start "ticking" until some middle point like 20%, or 70% depending on the file size of the movie. When I trace the bytes.Loaded it doesn't start counting until 700K or so.I have looked at several different preloaders and none seem to work as well as the tutorial. Can someone direct me to an "easy to understand" source that explains the loaderInfo / contentLoaderInfo class?
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Mar 8, 2010
I am attempting to use multiple AS3 timers to run a short animation in flash but I'm having a problem with some of the instances running slowly or not being removed when they are supposed to. I found a way to make things work the way I want but in being new to AS3 I believe my runtime issues are due to jumbled code.
import fl.transitions.Tween;
import fl.transitions.easing.*;
var playerFadeTween:Tween=new Tween(thewebs, "alpha", Strong.easeOut, 0, 1, 2, true);
var playerXTween:Tween=new Tween(thewebs, "x", Strong.easeOut, 292, 10, 2, true);
[Code].....
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Jan 15, 2011
I'd have thought this to be simple, but nothing works. I have a game I'm working on, and in it, there will be a speed stat. The fast you are going, the faster everything else has to move to make it look like you are moving faster.The problem is, the speed stat (obviously not called speed) is one of the upgradable stats, and needs to be available for the class handling upgrades for it to be changed, and it needs to be read by the class handling moving objects.The second class however, has absolutely no idea the variable even exists. I've tried for weeks to look up a tutorial on it, but there doesn't seem to be any at all that I can find. (I am using public variables, and have tried various ways of trying to point at the class it's from but apparently I must be using the wrong syntax)
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Jul 16, 2010
I'm creating a class that extends another class.
public class ASClass extends UIComponent{
}
but I'm trying to make it extend multiple classes. Is this somehow possible? I read it may be possible through composition?
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Mar 31, 2012
I'm adding a TextField with html text. I'm applying a StyleSheet to it.
How do I apply multiple classes on my html element like so
<span class='classOne classTwo'>my text </span>
I tried this and it looks like flash can't handle this, it renders text without any styles.
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Dec 31, 2009
I have a document class of particles and i'm trying to add multiple instances of the class...
[Code]....
is this the correct way to add multiple instances of the class to the stage?
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