ActionScript 2.0 :: Adding Listener To MC With Picture Management Functions?
Oct 5, 2010
I have what I think is a scoping issue with a listener. I have a movie clip which contains several picture management functions. I want to add a listener to it so that the next image loads before it is processed. Where do I put the listener - In the MC or in the root? At the moment, I have it in the MC but it does not run the function. I created a test function in the root which runs the listener no problem.
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Similar Posts:
Jul 3, 2010
My AS3 application basically does the following (pseudo code from main application class) 3 or 4 times by adding custom objects to stage:
_movieClipClassVariable = new MyCustomSpriteSubclass();
_movieClipClassVariable.addEventListener(MyEvents.READY, function(event:Event):void {
_hideLoading();
mcHolder.addChild(_movieClipClassVariable);});
_movieClipClassVariable.addEventListener(MouseEvent.CLICK, myClickHandler);
private function coverClickHandler(event:Event):void {
}
What is the right way to allow Garbage Collector to recycle _movieClipClassVariable after it is not necessary? Assign null to it? Remove all listeners? Use weak reference for listeners?
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Jun 8, 2011
Reference objects on stage/frame from document class. AddFrameScript seems to do what I need it to, except for one thing. In the function I'm passing to be added as a frame script, I want to dynamically create some event listeners for buttons, but variables I want closed over the listener functions aren't behaving as expected -- they all end up having the last assigned value of the variable rather than the value it had when the function was defined, as if different scope rules are in effect than normal:
addFrameScript(node_frame - 1,
function() {
stop();
question_txt.text = node_question;
answers_xml = node_xml.answer;
[Code] .....
But then afterward, if I click any of the three buttons, they all trace:
3A
Do frame scripts observe different (dynamic rather than lexical?) scoping or something?
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Feb 9, 2010
why can't we set vars for functions of a Event Listener. To be more specific, this is my code:
Code:
package
{
import flash.display.MovieClip;
[Code].....
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Mar 24, 2009
Basically what I want to do is call a function attached to an event listener, without the event actually happening - for example:I have a function that is attached to Event.RESIZE.I would like to call that function from time to time, but this function of course requires an Event argument, so attempting to just call the function throws an error that it expects 1 argument and got none.
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Jun 23, 2010
Ive made a movie but i want to get someone to add a picture of themself in an swf (either through a browse button OR simple paste into a variable box) and it appear later in this electronic card im trying to make.
*edit* . . i dont what this to be done in the flash file, on the opening screen i want the user to locate a pic on their hard drive and then slave this picture througout the swf movie ive already created all the tuts im looking at seem to have the images already in the library and they are clicking buttons to display them, i DONT want this . .
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Dec 27, 2008
isit possible to call two functions from one button event listener?
or is it even possible to write two seperate listeners for one button that listen for the same thing an example is shown in the code;
also, i have string variable, that i want to use to call a certain funtion depending on the variable, for example the vairables name is phase_no can i do next_btn.addEventListener(MouseEvent.CLICK,nextPhase,beginSubmit+phas e_no)??
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Jan 14, 2009
I am currently having a mc in my library use a class. The mc is duplicated and put on the stage. Inside the class the mc gets a rollover state. Problem is that, although the rollover listener and function 'works', any action that is given is applied to all objects linked to that class.
Code:
Select allpublic class cities extends MovieClip {
private var theStage:*;
public function cities(cityid:int, cityname:String, mymc, ref:*) {
theStage=ref;
this.alpha=.85;
this.buttonMode=true;
[Code] .....
So pretty much on rollover on one of the mc's makes them all alpha = 1 and rollout makes them all alpha = .85 instead of the one being rolled over. It does make sense I guess because they are all calling that same function I think. I also tried referring to the specific mc (mymc) instead of the parent and this.
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Jun 26, 2011
Code:
trace("Hello!");
I'm up late coding and I've come to a halt here's why:
I'm looking (desperately) for something that will explain why my "public class marquePage" is not working properly. I don't have access to the actual file right now - on a friend's computer - but i'll try and make this clear, here it goes :
Code:
// example : (having declared the namespaces at package level and embedded the pictures in separate classes "photosMP", etc)
public var ceNom:Namespace;
public var cetteListe:Array = [photos, dessins, livres, maous];
[Code].....
Somehow, the event listener doesn't want to know about namespaces... in fact, everything comes up ok except that when you click on any of the bookmarks (cetMP), nothing happens at all
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Jul 21, 2009
I have an issue with Bitmap object. I have a photo gallery which I read from an XML file. Each photo has a path, id and description. When I'm adding the picture to the screen I am doing as follows:
[Code]...
My problem is that when I click the bitmap added to the container I must know what picture this is by getting an id. This way I know what gallery I am to open. A bitmap object does not have this property to be set (id and path). I have decided to create a class which extends Bitmap and then add these attributes within this class. So instead of using a bitmap I would use something like:
[Code]...
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Apr 22, 2002
I want to make a picture gallery and use buttons that move you from picture to picture and backwards, but I don't want to tell button 1 to go to frame 2 and button 2 to got to frame 3 and so on (I hope you know what I mean)Can I use on button on a separate layer with the same action set? I tried something like that, but it didn't work:
on (release) {
thisframe =+1
}
[code]........
but it didn't work. I'm kind of new to any action script other than gotAndPlay, easy functions and all that.
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Mar 12, 2009
I am loading data from XML and can create MovieClips to hold the images and text data for each node. However, I can't figure out how to add an onRelease Event Listeners to each MovieClip.
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Jun 3, 2006
I have a textfield whose contents change programmatically. I tried to use TextField.onChanged handler but with no luck. Searched and read that: "programmatic changes to the text field do not trigger the onChanged event". Is there any other way to do this?
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Oct 23, 2009
I have recently moved from AS2.0 to AS3.0 and I am trying to get to grips with event handling. I am managing for things like key presses and mouse clicks
I am successfully tracing a string as either "login successful" or "login unsuccessful" from a PHP file on a local host and it traces as working in my Login class. Now I want to listen for the "login successful" string, currently tracing in my Login class and if it works, call an EventHandler in my Main class which will execute the next step.
Here's my code so far
PHP Code:
private function onLogin(e:Event):void
{
var loader:URLLoader = URLLoader(e.target);
[Code]....
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Feb 10, 2010
Is there a way to add an event listener to a variable?
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Oct 23, 2010
I have added a listener to the stage to close a loader object when the stage is clicked. The problem is the click seems to effect the loader object to (basically when you click the loader it calls the click function attached to the stage). Is that to be expected? I suppose it makes sense, but is there a way of adding a listener to the stage that excludes certain objects?
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Jan 14, 2011
I'm loading .JPGs into loaders, setting the alpha of the loaders to .5 and would like to add a ROLL_OVER event to set the alpha to 1 then back to .5 on ROLL_OUT.Here's what I've got so far and it works well.
var ldr1:Loader=new Loader();var url1:URLRequest=new URLRequest("thumbs/1t.jpg");ldr1.contentLoaderInfo.addEventListener(Event.COMPLETE, done1);ldr1.load(url1);
function done1(event:Event):void{ event.target.content.alpha=.5; event.target.content.x=currentX; //currentX & Y are already set event.target.content.y=currentY; addChild(event.target.content); currentX+=event.target.content.width;}
NOW, I'm trying to add the MouseEvent and can't figure out what to add the listener to - the loader or its content?
ldr1.addEventListener(MouseEvent.ROLL_OVER, rollOn); <<<<--- this doesn't work.
ldr1.contentLoaderInfo.addEventListener(MouseEvent.ROLL_OVER, rollOn); <<<<---this doesn't work either.
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Jul 10, 2009
I have a button which adds an Event.ENTER_FRAME listener. Once this listener has been added it's quite possible that the user might click the button several times more. Is the same Event.ENTER_FRAME listener triggered again when the button is clicked again? or does Actionscript ignore the command to create the listener again since the listener is already running?
I'm worried about memory leaks, and I'm worried that Actionscript might create multiple Event.ENTER_FRAME listeners with the same name, but it would suit me best if I could allow the user to click the button as many times as they want.
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Dec 13, 2009
Basically, I'm having trouble with depths causing components to display on top of some combobox drop-downs. So basically I made a listener that will listen for focusIn and swap the depth of the combobox to the next highest to bring it to the front when the user clicks on it. No, rather than write a line to apply this listener to each combobox on the stage, is there a way to apply it to the combobox component in general, so it will effect all instances of the combobox component?
So changing this:
ActionScript Code:
var combobox_listener:Object = new Object();
combobox_listener.focusIn = function():Void {
this.swapDepths(_root.getNextHighestDepth());
}state_cb.addListerer(combobox_listener);
county_cb.addListerer(combobox_listener);
city_cb.addListerer(combobox_listener);
[Code] .....
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Aug 30, 2009
I'm making a multiple choice game and I have a dynamic text bok which says "correct" or "incorrect" accordingly. also want to make it automatically "gotoAndPlay" the next scene but I can't figure out how to tell it to both change the text in te text box and move to the next scene after they have answered the question. The "gotoAndPlay" always seems to overwride anything elseso I have the following so far:
ans3.addEventListener(MouseEvent.CLICK, checkquestion1c);
function checkquestion1c(event:MouseEvent):void{ ans1.removeEventListener(MouseEvent.CLICK,checkquestion1a);
[code].....
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May 20, 2009
for one of my project I need to recive some x,y data from a socket connection. I recuired do some movement for moveclips those has the x,y in its bounds. kind of mouseover event.
what I fegured out is, if I can dispatach a event and add a listenr to all my movieclips the moveclips will know that new data recived and it will check that the number and do appropriate action.
but the problem is I can dispatchEvent but if I add a listener to my movieClips it doesn't work.
/// this way works ///
function readResponse():void {
var str:String = readUTFBytes(bytesAvailable);
[Code]....
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Jan 30, 2009
I feel like I am not 'getting' something very simple here:I have a bit of AS3 which uses a loop to draw X number of circles which are placed as data points on a 2-dimensional line graph:
Code:
var circleSize:uint = 10;
var line:Shape = new Shape();
[code]........
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Oct 20, 2009
Or do you have to add them to every instance?
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May 31, 2011
I have an interesting problem that I'm attempting to solve and I could use some pointers.Here's a basic run down of the AS3 script:[code]The problem is that the event listener always pulls the url from the last object in the array when you click any sprite (as would be expected).What is the best way to have the event listener only deal with the specific url of the specific iteration that creates it?
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Oct 21, 2010
I'm trying to add an event listener to something that lives on the parent level of the function that runs.This is what I have in a function -
Code:
MovieClip(parent).footer.addEventListener(MouseEvent.CLICK, footerOpen);Here's the error that it's throwing.
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Oct 8, 2009
I want to add a function as a property something similar to this is what i'm looking for (only that this generates an error).
ActionScript Code:
function getPosition():Point {
return new Point(this.x, this.y);
}
[code].....
And i know i can create a class in an external file. But this is supposing i want to keep it in the same file. And i know that is not a good idea either, but just assume that i have a valid reason.
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Feb 15, 2008
i were trying to add onRollOver to a movieclip that i loaded with loadMovie(). But i were unable to give the MC functions. How would i add functions to a external MC? I did like this (Wrote from top of my head, sry for syntax error)
ActionScript Code:
container.loadMovie("dummy.swf");
container.onRollOver = function (){
[Code]....
The onRollOver function do not work,but the movie gets loaded, how to work around it?
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Sep 5, 2009
im trying to create a separate class so i can create a custom mouse. But i need to make it so that every time the mouse moves then something happens. as in it dissapers and after 5 seconds the timer resets. I have the code and it works in my .fla file, but im not sure its possible to put it in a class file and have it be the class of the .fla.
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May 1, 2009
On the main timeline, I have placed a movieclip (movieclipone) which contains some content. On frame 85 of movieclipone, there is a new keyframe which contains a movieclip that hasn't previously appeared in the movieclipone timeline, (moviecliptwo) which contains four buttons (btnone, et cetera).Is there a way to have code in the main timeline that attaches listeners to the buttons inside moviecliptwo, which, when pressed, trigger a function that increases a counter and tells movieclipone to go to the next frame? This is the code I am using right now:
stop();
movieclipone.addEventListener(Event.ENTER_FRAME, onEnter);function onEnter(e:Event):void [code]........
When I debug the movie, I get this error at frame 85:TypeError: Error #1009: Cannot access a property or method of a null object reference.
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Jan 9, 2012
After adding a mouseListener via Mouse.addListener to my flash movie the mouse wheel event is not bubbling to the browser when the mouse cursor is placed over the flash moviePeople all over google are complaining that in AS3 the event is bubbling and it is hard to stop it but in AS2 I wasn't able to find a solution to get the behaviour just as it is in AS3.Some code:
var mouseListener:Object = new Object();
mouseListener.onMouseMove = function() {
trace("mouseMove");
[code].....
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