ActionScript 3.0 :: Class Being Instantiated Twice In ProgressEvent.PROGRESS Handler?
May 25, 2010
I have an XML file which has info about projects for my portfolio, there are 7 of them at the moment. I'm trying to have a preloader animation show up in place of every portfolio image before it's shown on stage. The problem is that there are 14 of those preloaders being instantiated rather than 7!! How could that be possible? Check out my code:
ActionScript Code:
package {
//import com.prodoubled.XMLLoader;
import flash.display.Loader;
[code]...
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Similar Posts:
Apr 1, 2010
i made simple of my project to show the problem the code
[Code]...
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Jul 10, 2009
I got to make a preloading class to be used all along the project, i need to be able to make some behaviours depending on the user internet connection.i have to load all sort of data and display progress percentage for ; SWFs, JPGs, GIFs, PNGs and Text, XML, Binary..i got problemes while tracing the progress of loading XML requests becaus I have to load XML using URLLoader and other data with Loader:
Code:
if (dispatcher is URLLoader)
{[code].....
as you can see, in xml ther's no progress. is there any work around? or is this a flash related bug?I used Loader to load XML files but got problemes with Event.COMPLETE not firing.
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Aug 24, 2009
I'm writing a simple image preloader and attempting to use ProgressEvent.PROGRESS on my Loader to update a simple graphic bar. All pretty standard fare so far, so I'll show you the code:
Code:
package {
import flash.display.Loader;
import flash.display.MovieClip;
import flash.display.Sprite;
import flash.events.Event;
The problem is that the "loadingProgress" function gets called twice by the aforementioned listener and so adds the ENTER_FRAME listener twice. Then, only one is removed so if I trace the value of "percentLoaded" it never stops. Is it standard that the PROGRESS event calls it's given function twice? If so, I obviously need to rethink the updating of the loader graphic.
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Mar 9, 2011
i have this simple script in my document class named script.as
[Code]...
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Nov 6, 2009
I am knocking together a small, 100% code pre-loader for loading in external .swfs. I've done this many times with textfields created in the IDE and simply updated the content of the ide-created textfield in the ProgressEvent handler - works fine. However, when I create the TextField solely in AS, it simply disappears. Here's the relevant bits of code:
[Code]...
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Oct 30, 2009
I want to stop ProgressEvent.Progress and two seconds to determine whether the Internet connection is dialup. Is there a way to stop ProgressEvent.Progress when bytesLoaded < bytesTotal? Right now, the event continues until the entire *.jpg file is loaded and/or creates a fatal error closing Flash. Here's the code I'm using:
[Code]...
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Mar 25, 2010
Is it possible to listen to ProgressEvent when streaming?
I want to display the buffer progress by listening to the NetStream ProgressEvent, but the event does not dispatch...
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Aug 9, 2009
how can I catch event ProgressEvent.PROGRESS when upload is starting?? I try to catch this event for creating progress bar, but it works when I download files from server to swf with a help from method load() URLLoader only. It dosen't work when uploading data (for example ByteArray) from swf to server..
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Nov 8, 2009
I have question regarding removing instantiated objects. Let's say i have a main class in which i instantiate a custom video player (or whatever) class:
Code:
...
var videoPlayer = new VideoPlayer(...);
addChild(videoPlayer);
...
And inside VideoPlayer class i have of course dozens of objects (movie clips, sprites representing different parts of VideoPlayer) and dozens of event listeners attached to them. My question is, if i want to remove this VideoPlayer class from my main class is it enough to just do:
[Code]...
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Apr 8, 2010
I have a initApp.as which instantiates a class which needs to access the "currentState" property and the States array as well. However we cannot get this to work as we cannot see how we can access this information.
Within initApp.as currentState is accessed via "this.currentState". This does not work in the class which is instatiated within initApp.as. The following error is thrown:
"Access of undefined property currentState."
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Mar 22, 2012
I'm wondering if anyone has experience with if there is a big difference in performance in ActionScript 3 between keeping a class with only public static functions, and utilizing those functions often (as in a frame event at 30fps), and in turning the class into a "normal" class of which I instead make an instance and call the functions via the instance instead.
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Mar 17, 2011
I'm using the following to extract the sound data from a sound object and store this in a byte array.
I require that the entire mp3 be loaded into the bytearray before advancing and the below works fine for this purpose however flash temporarily hangs while it extracts this data (2.4mb mp3)
Is there a way i can stop it from hanging i.e. use an eventlistener to check the progress of the extract process?
[Code]...
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Mar 18, 2009
I am making my way with AS3 in little steps and have hit a road block. This is what I have:
I have a document class called "Document Class" I have a custom class called "Game"
I have instantiated an object of "Game" class and I am able to trace a class method which return a simple "HELLO". within my Game class, I have a variable(type Array) called "questions" as instance variable.
I would like to add questions to "questions" array by using "Mutator" method, or count the current elements with the questions array and return the total number of questions. I am unable to add or access elements to the questions array.
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Jan 2, 2011
How can I get Loader class from Progress event.
function loadMovies () {
var ldr:Loader=new Loader()
ldr.load(new URLRequest("test.swf"))
ldr.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS,getper)
addChild(ldr)}
function getper (event) {
var info:LoaderInfo=LoaderInfo(event.target)
trace(info.loader)
}loadMovies()
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Nov 25, 2010
I usually use if(object!=null) but it doesn't work well.
How can I verify if the class is instantiated. I want to get rid of the 'cannot access a property of a null object or reference'.
I mean, the 'var object:Object;' is just a reference to an Object class instance. When i initialize it with 'object = new Object()' it runs the code in the constructor, initializing it. How can I check if it has been initialized or not.
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Aug 13, 2008
I've been struggling with this for almost a day now and I can't seem to find the problem. I'm making an instantiated FLV playback class in actionscript 2, but it just doesn't play the video
Here's the code, if I uncomment the camera parts and attach _cam instead of _stream it will show the camera feed, it just won't play my movie (and I get no errors whatsoever).
[Code]...
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Nov 18, 2008
I know how to do this in as3, it's easy.
var c:myclass = new myclass();
addchild(c);
how the heck do you do this in as2?
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Jun 15, 2011
Im trying to get the value of the textWidth property in class Main from a text field created in an instantiated class Label. When I trace the value from within the Label class I have access to the values. I'm trying to use a get function to pass the value to the main class.[code]
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Jan 2, 2011
How can I access Loader class from Progress event.
[Code]...
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May 9, 2009
Can you do this in AS3?
function onLoadMe(e){
};
var pic:Picture = new Picture; // custom dynamic class with a method called onLoadPIc
pic.onLoadPIc = onLoadMe; i'm trying to change the method of my custom class on the fly for this instance...
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Feb 25, 2012
I have this class called Main. And inside this Main class I have a method that I'd like to call from a the main timeline.
So on the main timeline I have instatiate the Main class like this:
var mainClass:Class = flash.utils.getDefinitionByName("Main") as Class;
var main:Sprite = new mainClass(this, mc1_mc, mc2_mc);
addChild(main);
Then on the frame after that, I try to access a function inside that Class like this:
main.prepareGame();
But I get this error:
Scene 1, Layer 'Layer 2', Frame 3, Line 61061: Call to a possibly undefined method prepareGame through a reference with static type flash.display:Sprite.
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Oct 13, 2007
I'm very confused. When I instantiate a class, I'm assuming that the object is reset to its default variable values. Not so. Consider this:
Code:
class ClassTest extends MovieClip{
var arr:Array = new Array();
function ClassTest(){
[Code].....
...even if the two objects have different instance names! It's as if it is making my arr variable static by default, and not resetting it to a new array in the second instance. How do I get around this? Do I need to somehow have this code instantiate itself with something like "this = new ClassTest();"
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Feb 13, 2009
h1. I have a Class (let's call it "Button") that is linked to a library item (a movieclip) which I have on the stage
2. Now this Button class, when clicked will produce an alert in the form of another class (let's call it "Alert").
3. There are two critical things in the way I want this to work:
A) I want Alert to be a child of the main stage, not the Button class
B) I want Alert to take care of adding itself to the display list, not have Button add it.
So in a nutshell, I want to call Alert like this:new Alert("Hello, Kirupa Forums!");
The Alert class needs to draw the shape (check), add the text (check), add itself to the display list (how? if I try to access "stage" I get a null reference, though I don't know why), and destroy itself (I'll burn that bridge when I get to it).
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Aug 4, 2010
What I'd like to do is add an event listener to a class instantiated by my document class that listens for different key presses. So far I can't use stage.addeventListener or I get the null object error so my question is:
a: how do i add an event listener to the stage from another class and b: is it even necessary to add it to the stage , can I listen from that class?
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May 3, 2010
I have a class called shapeC that only creates a rectangle and then addChild(rectangle);. That class is instantiated on the main timeline. Currently, the only way you can see that rectangle is to add the instantiated class to the stage via addChild(shapeC);. My question is, is there a way that the shapeC class can add the rectangle to the root stage without requireing the instantiated class to be added to the stage?
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Mar 3, 2010
I have a mc in my library called SimpleButton and in the class path for that mc I have the path to my class: com.company.ui.buttons.SimpleButton.
But when I try to instantiate the symbol using the following code, it does not appear on the stage.
Code:
var simpleButton = new SimpleButton();
addChild(simpleButton);
The code works fine when the mc class path is just SimpleButton, the symbol is added to the stage. However when I try to use my own class, the base class disappears from the linkage box in the mc properties dialog and the symbol does not appear on the stage.
Here is my SimpleButton class:
Code:
package com.company.ui.buttons
{
import flash.display.DisplayObject;
[Code].....
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Nov 1, 2009
in AS3, I have an external class ImageLoader, that loads an image upon request. In that class, I have an event handlers:
[Code]...
I am trying to send the download progress updates back to the main Document Class and display it on screen, so I am trying to dispatch the event "PROGRESS_INFO" and then get the information from the passed Event Object, like so: Document Class
[Code]...
This however, is proving futile... any ideas on how I can get the progress info out of the IMageLoader class? note: I know I can add bytesLoaded & bytesTotal to a public variable, but then I won't get the benefit of seeing the bytesLoaded property update in the ProgressEvent class.
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May 12, 2011
In my document class I have this
[Code]....
It does not matter where I declare the var __w:Who in the constructor, as a class var or in another function entirely. The whole thing still operates normally but it's irritating not being able to set my stage.align=StageAlign.TOP_LEFT; in the constructor.... I am guessing it is something in my Who class because it does not happen if I declare any other vars the constructor in Who pretty basic:
[Code]....
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Mar 1, 2011
I have a class with constructor and overloaded methods in it. When i try to import that class using blazeds i get an error saying [RPC Fault faultString="Unable to create a new instance of type 'some class'." faultCode="Server.ResourceUnavailable" faultDetail="Types cannot be instantiated without a public, no arguments constructor."] How to import class having overloaded methods using blazeds
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