ActionScript 3.0 :: Flash Eventlisteners And Children?
Apr 13, 2011
I want to know if there's a 'correct method' in removing a MovieClip off the stage. I am currently programming in simple OOP and I have 2 classes, for now lets relate them to Tree and Fruit. The fruit is the child of the tree.
When the fruit is being clicked on. the tree AND the fruit will fade off and I will perform a removechild only on the tree. So I'm now puzzled if just removing the tree would automatically remove everything including the fruit(without performing a proper tree.removeChild(fruit)) and all the eventlisteners attached to fruit?
If not, must I perform remove child on every single MC/Sprite I have added onto tree/fruit for the best performance? Would like to find out how you go about doing it the 'correct way'.
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Nov 18, 2009
I'm making a OSX-finder-type file browser in CS4.The Structure for the folder and files is being generated by a PHP in a XML, heres an example:(sorry the xml is not sorted, but the command i'm using in php doesn't sort it)
Code:
<root>
<dir name="images">
[code]....
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Dec 15, 2011
I'm trying to use an eventlistener in a class, but I can't make it work!
The class is ment to handle a HTTPRequest, so I'm using ResultEvent.RESULT.
public class GetXML
{
public var content:Object;
public var url:String;
[Code].....
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Feb 2, 2011
I am creating a small image gallery and I am creating the actual images dynamically. The images are stored via json and I am listing them underneath each other. No I can get all to work and they all load and position each other correctly underneath. What I would like to do is assign each image a addEventListener so that when clicked they pass the necessary details onto another function which will then display a larger image simple and basic but I am having trouble with adding the eventlistener. each one gets an eventlistener to it but when clicking on each one they all show the details from the last one. The code is attached to the main gallery container is as follows:
[code]....
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Jan 16, 2012
I have 20 buttons on my stage, and rather then have 'removeEventListener' for each button, i wanted to use a loop to do so. Heres what i have done.
Code:
//array containing the buttons instance names.
var soundArray:Array = new Array();
[code].....
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Aug 18, 2011
I'm working on a game where users can win buttons/badges as awards. I estimate there will be around 500 awards, in all.I want to allow the users to sell their duplicate/unwanted badges to the bank and buy new ones from the bank.I am showing the badges in multiple awards frames. Below the badges, I show the count, along with a "Buy" and "Sell" button.My question is: What's the best way to handle SO MANY buy & sell buttons? Is there a way around coding 1000 eventListeners and 1000 eventHandlers?
One possible solution is to name my buttons, incrementally, like "buy_mc1", "buy_mc2", etc. Then do a loop to create listeners for this["buy_mc" + i]. However, I would then have to make VERY sure that I link these back correctly to the awards.Currently, I have an "award_mc" field in my database, which stores the name of the movieclip in my .fla. From that, I can access related assets, like the count field, like: this[db.award_mc + "_count"].txt.Unfortunately, this method does not lend itself well to looped access.Maybe I can create an array of movieclip names that are in synch with the buy/sell buttons. For example:
myArray = {aMissionAward, anotherAward, ubernessAward};
My buttons would be: buy_0, buy_1, buy_2, etc.
When someone clicks a button, I can link buy_2 to "ubernessAward", then look for "ubernessAward" on the database.How can I get the number from the button, though? Even if I can loop through setting up the eventListeners, will I have to set up individuatl eventHandlers to process the correct index number? I was not able to get this to work with buttons on the stage. Apparently, buttons are a static class. MovieClips are dynamic, so I was able to get this to work by using MovieClips. Here's what I did:
Added 3 MovieClips to the stage.
Named them "mc0", "mc1", and "mc2".
Add this AS3 code:
for (var i:Number=0; i<3; i++)
{
this["mc" + i].addEventListener( MouseEvent.CLICK, onMcClick );[code]....
From here, I can tie the awardKey to an array of MovieClip names. Then, I can use the MovieClip names to read my database.This is why I come to Stack Overflow, FIRST, when I have a problem. :)
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Apr 13, 2011
I am trying to learn working with multiple classes in AS3. I came across a problem which I can not solve or look up. I have searched the documentation but I can not find a clear sollution or answer.I have flashfile with a document class (main class). Within this class I use another class (circle class) to get a instance of a movieclip on the stage.
Now my problem is that I can not place the eventlisteners to the circle class. normally I would write something like this. addEventListener() but this doesnt work. But I really need a way to get this to work, because I want to make a mouse click event which must be linked to the circle to respond to it.
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Sep 16, 2011
Currently one of our teams suffers from a very strange phenomena: after manipulating the z property of a MovieClip and changing the stage quality some event listeners of nested MovieClips seem to disappear (or at least not react to the proper events any longer).
The problem also only appears when doing both, changing the stage quality and manipulating the zproperty.
Here is a simple class demonstrating the issue:
package {
import flash.display.StageScaleMode;
import flash.display.StageAlign;
import flash.display.Graphics;
[code]....
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Feb 23, 2011
I've created a grid of 3D cubes using modulus, and the 3d cubes are were created from the Math and Flash Tutorial, if you are interested it is here.What I am trying to accomplish (and it works, just the performance is lousy). All the cubes in the grid are inactive until the mouse hovers over them, then they start to rotate, and once the mouse moves off them they continue to rotate...
So to create the grid of cubes:
Code:
public function FlowerMenu(){
var rowY:Number = 0;
for (var i:int = 0; i < 190; i++) {
[code]....
So, this works, but after about 4 or 5 cubes have started rotating the performance drops considerably. I can imagine creating that many EventListeners isn't a good idea, but I can't see any other way of doing it.
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Mar 24, 2009
In this game attached I need the old Children (rats) to hurt the character when he walks into them, however only the most recently added Child is active in that way... also the rats seem to appear above the character instead of below, is there any way to resolve these issues??
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Jan 12, 2011
I have a Sprite called pageContent. Inside pageContent are 12 more Sprites with unique names, a couple of Buttons, and some TextFields. Inside each of the 12 Sprites I have either one or two TextFields and one TextInput. My question is, since they are children inside a child of pageContent, how can I access them? Here is how I am trying to do it:
[Code]...
In my mind, this should totally work. But surprise, surprise, it doesn't. I have debugged it and it works fine for the first two lines, but when it tries to get numChildren of a Child of pageContent (line 3), I get this error: PHP Code: 1119: Access of possibly undefined property numChildren through a reference with static type flash.display:DisplayObject.
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Jan 11, 2010
I want to have a rollover effect of a movieclip (mo1) inside a movieclip (mo) of another movieclip (popup1).Is it possible to do that? I try calling it using this code in the frame 1 of my flash, am i doing wrongly?
Code:
popup1.mo.mo1.onRollOver = function() {
popup1.mo.mo1.gotoAndStop(2);
[code]......
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Sep 23, 2006
Newbie to XML here and I have what I *hope* is an easy problem, but I just don't know the answer. And as I have to try and show this by Monday, I'm sort of stuck. I am trying to pull in information about houses via an xml file. Each house has 1 address, 1 owner, 1 description, and about 6 photos. I have no problem accessing the address, owner, etc, and I can always access the first photo, but whenever I cycle through the photos, I seem to cycle through the first photo for every house, not every photo for each house.
Basically, I need the children <images> to go up by one, without the the parent going up by 1. I am hoping I am describing this well. My code looks like this:
[Code]...
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Mar 10, 2010
I have a Canvas which has many components inside it and those again, have many components inside them.
getChildren() returns only the top level children. What is the best way to retrieve all the children (children of children of children and so on).
Well, I sorta know how to do this by iterating through the children, but the code is really messy. I'd prefer to use a nice recursive function. Has anyone written this before? Or is there a Util class to do this?
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Jul 24, 2010
I am trying to pull in information about houses via an xmlfile. Each house has 1 address, 1 owner, 1 description, and about 6photos. I have no problem accessing the address, owner, etc, and Ican always access the first photo, but whenever I cycle through thephotos, I seem to cycle through the first photo for every house,not every photo for each house.Basically, I need the children <images> to go up byone, without the the parent going up by 1. I am hoping I amdescribing this well.My code looks like this:
total = xmlNode.childNodes.length;
totalb =
xmlNode.childNodes[0].childNodes[5].childNodes.length;
[code].....
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Oct 28, 2011
I have an ArrayCollection that is read to generate containers in an accordion programmatically:
<s:ArrayCollection id="_ac_ps">
<fx:Object label="Block and lot" data="_blocklot" searchType="districtblocklot"
info="" />
[code].......
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Jan 11, 2011
for some reason STORAGE[0].getChildAt(0) works whereas liner.getChildAt(0).getChildAt(0) does not. STORAGE is a movieclip and a child of liner. the error is something about not being able to use getChildAt on a display object. what's wrong? is there any other approach i could use? PS: liner.getChildAt(0) works and does indeed seem to refer to STORAGE[0]
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Mar 6, 2009
Let's say I have a global SoundChannel object, and inside a function I am repeatedly creating new instances of the Sound object to play songs one after the other. Each time I do this, I need to add a new eventListener to the SoundChannel to call the function 'onSoundComplete' that will load the next song on completion.Coming from a strict C++ programming background, I often wonder if it's necessary to do some kind of cleanup in Flash, or if it handles it automagically.Here's example code that specifically removes the eventListener from the previous Sound object everytime a new one is created, but I don't want to be doing this if it isn't necessary:
Code:
// Setup sound object buffer
var slc:SoundLoaderContext = new SoundLoaderContext(3000);
[code].....
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Aug 16, 2009
I have images loading from an array. A slideshow. This works fine, but they pile on top of each other. I cannot figure out how to remove them. what's the simplest way to remove them? How do I say - if pic1 is loaded, before loading pic2, remove pic1?
Code:
var aPics:Array=new Array("pic1.jpg","pic2.jpg","pic3.jpg","pic4.jpg","pic5.jpg");
var threeSeconds:Timer=new Timer(3000,aPics.length);
threeSeconds.start();
[code]....
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Feb 7, 2009
Can I add eventListeners to shapes ?
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Apr 18, 2009
Trying to add EventListeners to Bitmaps.Can I add an EventListener directly to a bitmap?If I load an image to a UILoader then addEventListener to the UILoader instance that works just fine, but if I use a Bitmap instead, nada...I could load the Bitmap into a Sprite and add the EventListener to that, but would prefer the direct method...
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Nov 11, 2009
Is there a way to listen for the cursor in the input text field? I am making a form, and when the user clicks on the input box I want text to appear to the right side and than fade when they leave that text field.
the text field is called input_txt;
psuedo code
input_txt.addEventLister(event.MouseEvent, showText);
function showText(evt:MouseEvent):void{
text_mc.visibile = true;
}
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Jun 6, 2009
I'm working on an image gallery which builds dynamically at runtime, simple enough.imageList is an array loaded with the images to display.
var imageList:Array = _root.images.split(",");var imageArray = new Array();var count = 0;for( var i = 0; i < imageList.length; i++ ){ _root.createEmptyMovieClip("myMC"+i, (i + 1)); _root["tmpMCL"+i] = new MovieClipLoader(); imageArray[i] = new Array(); ima
[code].....
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Jun 11, 2010
Inside a .fla file I have some buttons and each button will tween a different image to the stage. All the images are outside the stage in the same x and y position and I just need to tween the x coordinate.
Now I'm working with an external document class where I'm trying to hold all my functions and I'm stucked with the Tweens. I'm willing to stay away from the flash tween engine and I'm trying to work with tweenLite.
Is it possible to pass parameters through eventListeners so I can use something like this inside my docClass?
public function animeThis (e:MouseEvent, mc:MovieClip, ep:int):void { //ep stands for endPoint.
TweenLite.to(mc, 2, {x:ep});
}
If this is possible, how am I supposed to write the listeners so it will pass the event to be listened for AND those parameters? And how to build the function so it will receive those parameters and the event?
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Mar 12, 2012
I've got a few MouseEvent listeners outside of a function that contains nested functions that need to use the functions attached to the listeners.
button1.addEventListener(MouseEvent.ROLL_OVER, buttonOver);
function navigation (): void {
if statements;
[code]....
I keep getting an "1120:Access of undefined property buttonOver" error. I know it's because the EventListener is outside of the function "navigation" but I need it to be accessed by other functions later.
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Aug 13, 2009
im trying find out a value of a var from a mc called from an eventlistener.
//////////// as2 oldSchool ////////////
function loadPlayer() {
trace("myScene: "+this.myScene)
[code]...
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Aug 19, 2009
I have main.swf and content.swf. I load content into main. When I try to unload it gives me error, due to the fact that in my content.swf I have MouseMove event and this event is causing this error:
ActionScript Code:
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at content_fla::MainTimeline/onLoop()
How to properly kill all eventListeners?
My main.swf code:
ActionScript Code:
var holder:Sprite = new Sprite();
addChild(holder);
[Code].....
I did some research and it seems quite an issue - especially when trying to remove, enterFrame, mouseMove or stage listeners. Im using CS3.
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Sep 28, 2009
I tried using a .enabled = false; when I already had a click event on that movie clip. I found that you need to remove the eventlistener instead of making enabled false.Why doesn't enabled work when you have event listeners?I'm really more curious than in need of an answer since removeEventListener worked fine.
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May 13, 2010
I have this code (for now, but there will be much more eventListeners) and i want to generate them dynamically.
Code:
s1.addEventListener(MouseEvent.CLICK, function1);
s2.addEventListener(MouseEvent.CLICK, function1);
[code]........
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Aug 5, 2010
I have a menu with buttons on the stage that when clicked load external swf but the problem, although i can remove them from the stage, is that they are still playing which gives my site performance problems. I gave weak references to the Event Listeners but i didn�t remove them.Here�s the code:
Code:
import flash.net.URLRequest;
import flash.display.Loader;
import flash.events.Event;
[code]...
How can i remove each the listeners from each swf so that the site doesn�t perform so slow?
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