ActionScript 3.0 :: Remove Event Liseners?
Mar 7, 2009
joystick. In the class of the game object I add it like this(parent as MovieClip).addEventListener("fire", onFireButton);After several rounds of playing it looks like I get someperformance issues. When looking in the debugger all listeners are stillthere even if the clips of the game object isn't on stage.When/where would I remove these events in my class? To I haveto trigger another event when the game is over or is it possible toexecute some code in my class automaticly ... some destructor or anythinglike this
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Feb 8, 2006
I have the next code:
mc.onPress=function()
{
//some code
}
How do I remove the event handler onPress?
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Mar 11, 2010
My parent class adds bonus_mc It then adds an event listener to bonus_mc to listen for a custom event When the custom event is dispatched I want the parent_mc to remove event.target. But it wont, it's says 1118: Implicit coercion of a value with static type Object to a possibly unrelated type flash.display: DisplayObject.
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Dec 31, 2010
In the frame 1 of my movie, part of my code is:[URL]..It works all fine, but when i go to the frame 2 the listener is still there but the function resizeHandler is not anymore (and i dont want it). So the console output this:
[Code]...
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Jan 23, 2011
How do you know when you should remove event listeners? For example, I know that if I have a TimerEvent listener, I can safely remove that event when I have stopped and / or deleted my timer. Or, if I have a display object on the stage, and I remove it, I can safely remove any event listeners associated with the display object.
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Jan 31, 2009
I've placed listeners on the var "topic_mc" (below), but I'm not sure how to remove them properly:
Code:
private function layoutTopics(modNum:Number, attachTo:MovieClip):void {
topicLength = MainMenu.modArr[modNum].topicArr.length;
if (Interface._ui != null) {
[code]...
doesn't really work - the listeners keep running. How do I call the objects properly to remove the listeners?
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Mar 20, 2012
If I add an event listener, and I re-add it later, does that automatically refresh/renew the listener or do I need to remove it before adding a new one every time?ex:
Code:
function swipeStart(event:MouseEvent):void
{
[code]........
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Jun 24, 2003
i have an "if" statement that creates an eventlistener... i then have an if statement to remove it... but everytime i have the "removeEventListener" thingy i get an error
Code:
favourites.addEventListener(MouseEvent.CLICK, openfav);
function openfav(event:MouseEvent) {
[code]......
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Feb 2, 2009
I've placed listeners on the var "topic_mc" (below), but I'm not sure how to remove them properly:
Code:
private function layoutTopics(modNum:Number, attachTo:MovieClip):void {
topicLength = MainMenu.modArr[modNum].topicArr.length;
if (Interface._ui != null) {[code]....
doesn't really work - any trace statement I place within the event function will run for infinity. How do I call the objects properly to remove the listeners? Note: I've tried referring to currentTarget instead of target but that doesn't make any difference.
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Oct 22, 2010
is it necessarily to add and remove event listeners like so:
Code:
addEventListener(MouseEvent.MOUSE_DOWN,mDown);
function mDown(e:MouseEvent){
removeEventListener(MouseEvent.MOUSE_DOWN,mDown);
[code]....
assuming rapid input, is it really better to do this rather than just let the mouseDown and MouseUp Listeners run all the time? It seems like it would be strenuous to constantly add and remove listeners like this. But this is how i generally see it done..
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Aug 15, 2011
I'm trying to remove an event listener but I can't make it work correctly. Here's the code:
[Code]...
I want to add a MOUSE_OUT listener in the first function, then remove it during the second function. I think I coded it properly, but I can't be sure. I tried to test the code by changing the remove event listener (below) to remove the original listener but it didn't work. Typically, I'd just trace the object to see if it's still there, but I don't know how to trace a listener. helpLoader.removeEventListener(MouseEvent.MOUSE_OU T, onHelpOver);
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Apr 19, 2011
I have a btn on the main stage and when moused over, it will play an mc (window_mc) which opens up a toggle window. The window_mc includes 3 layers; 1 the animation of the toggle window, 2 the AS of the window and 3 the content inside the toggle window.
The content (layer 3) is another mc (countdown_mc). Within that mc I have an animation and the next frame holds an flv, which plays after the animation.
My question is in relation to the main btn on the main stage that pulls the toggle window open (window_mc) when moused over. I have it set to where it only opens and closes when the mouse is rolled onto the button or off it. The window will open and close accordingly.
When the content in the window gets to the flv within the countdown_mc, I do not want the rollover action to work anymore. (I have an exit btn on the window that will close everything out if clicked).
I know I probably need a removeEventListener action, but I am not sure how to write it if the addEventListener is linked to my btn on the mainstage and I want it removed within the countdown_mc which is inside the window_mc.[code]...
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Jun 10, 2010
circDraw.addEventListener(Event.ENTER_FRAME,function(e:Event){expand(e .target); },false,0,true);
function expand(obj):void {
obj.height+=3;
obj.width+=3;
How would I add a line here to remove that event?
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Feb 14, 2011
IŽd like to know what is the rigth way to remove a loader event listener? Like this?
loader.contentLoaderInfo.removeEventListener(ProgressEvent.PROGRESS, onProgressData)loader.contentLoaderInfo.removeEventListener(Event.INIT, onInit)
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Apr 4, 2011
What I am trying to do is, if a user presses keyboard (key 1), picture 1 should FadeIn and if a user presses keyboard (key 2) picture one should FadeOut and picture 2 FadeIn and vice-versa. With the code mentioned below it works fine sometimes if I am not pressing any other key while it is performing one action but sometimes it behaves weird also. What I want AS3 to do is not to take any action or in other words it should not listen to keyboard until it finishes the opening or closing animation of a picture or any other object assigned to the key.
stage.addEventListener (KeyboardEvent.KEY_DOWN, KeyDownHandler);
/**///keyboard keycode for 1 & 2var key1:uint = 49;
var key2:uint = 50;
var BG1:Image1 = new Image1();
var BG2:Image2 = new Image2();
[Code] .....
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Aug 7, 2011
In some cases it is important to remove multiple event listeners in order to reduce CPU time.[code]...
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Aug 4, 2010
Is there some way where I can remove all event listeneres on my components all at once. Expecially when I dont have any prior knowledge of, what all listeners are being attached to my component.
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Jul 6, 2009
I'm working on a website navigation wherein I want that on clicking the navigation buttons, a movie clip eases out to that clicked button to show the current page. I'm able to move the movieclip to the button's location but I need to remove the event listener once the movieclip stops over the navigation button.
Code:
import flash.events.Event;
btnStart.addEventListener(MouseEvent.CLICK, startMovie);
function startMovie(e:Event):void {
ball.addEventListener(Event.ENTER_FRAME, moveBall(btnStart));
} function moveBall(bt:SimpleButton):Function {
[Code] .....
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Jul 31, 2009
I am currently using a mouse move event listener to check the x and y coordinates of the mouse on the stage, but I am wondering how in god's name I can stop this once the function has exited. I am using the even listener inside of a drag and drop function, specifically inside of the drag function, but when I call dragging.stop(), I would also like to remove the event listener.
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Oct 18, 2009
TypeError: Error #1006: removeEventListener is not a function.at MethodInfo-55()i don't know why this will appeared..this are my script
stop();
stage.addEventListener("mouseMove", brushfly);
nextbrush.visible = false;
[code].....
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Jan 14, 2010
In my scrolling code I want to remove the eventListener for my reportStageMouse event, but I get an error: 1120: Access of undefined property reportStageMouse. I am trying to remove the listener in my mouseUpOnStage event. I assume I cant remove the listener because it's in a nested function? [code]
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Jan 18, 2010
i have to remove the event listener as soon as that even gets fired. i added the listners like this.
btn1ClickHandler function:
-------------------------
private function btn1ClickHandler(evt:MouseEvent):void
[code].......
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Feb 5, 2010
I create a stage keyboard event listener in an externally loaded swf such as:
Code:
stage.addEventListener(KeyboardEvent.KEY_DOWN, onDown);
My question is how and where I should remove this event listener? I have added an unload event handler to the external swf like this:
Code:
this.loaderInfo.addEventListener(Event.UNLOAD, unloadHandler);
The unloadHandler code looks like this:
Code:
private function unloadHandler(event:Event):void {
stage.removeEventListener(KeyboardEvent.KEY_DOWN, onDown);
}
When the container swf unloads the external swf, unloadHandler() gets called, but with the following error:
TypeError: Error #1009: Cannot access a property or method of a null object reference.
Where should the keyboard event be removed?
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Jun 9, 2010
How can I delete this onRelease handler?
Basically, I want it to check if a link is assigned (image[p][1]), and if it is, create an onRelease handler for that image. (This is a rotating image slideshow).
Thus far, this code will check to see if the link is assigned and will create the onRelease handler when an image loads that has a link assigned via XML.
The only problem is, it does not remove the onRelease handler when the image rotates to the next image.[code]...
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Jan 22, 2011
is there away to remove a text box when I click on another movie clip? I know how to add the eventlistener but just don't know the AS to remove the text box when the X is clicke
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Mar 4, 2011
I have two classes in my project - a main class and a fancyText class. In main I create a new instance of fancyText and add it to the stage. Inside fancyText there is a timer that runs and when x time is up the fancyText fades out.
I'd like to know the best way to remove the child from main when the alpha of fancyText hits zero. Should i go down the route of adding a listener to fancyText in main, and dispatching a custom event from within the fancyText class?
I guess i could just check the child's alpha value in main and remove it when the alpha it's zero. But fancyText only gets added in a certain scenario - so i can't check it all the time - which would mean doing something like this:
Code:
...
addChild(fancyText)
checkFancyText = true (assuming a boolean declared earlier)
...
elsewhere in main -
[Code].....
Seems like there are a number of ways to do it - I don't suppose it's possible to remove a child from main from within fancyText class? or is that space cadet talk?
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Jan 24, 2009
I am creating a large amount of sprites on the fly that have different listeners applied to them -- I want to be able delete these sprites and clear the memory ties that go with them, quick and easy --
Is there a method to detect/remove all listeners on an object without having to check for each one individually?
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May 24, 2005
I'm trying to remove a onRelease event for a movieclip of mine. The action is defined in the movie's class file like so:
Code:
private function onRelease():Void {
delete this.onRelease;
trace ("test");
}
Unfortunately this doesn't seem to be removing the onRelease events, and whenever I click on the button it traces "test". Is there some other way to remove onRelease events when they are applied through a class? When I use the above method out of the class definition all is fine, like this:
Code:
secaoMap_mc.onRelease = function () {
delete this.onRelease;
trace ("teste");
}
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Apr 1, 2009
if i add an event listener like this:contact.addEventListener(MouseEvent.ROLL_OVER, overMain, false, 0, true);do i need to remove it like this:
contact.removeEventListener(MouseEvent.ROLL_OVER, overMain, false);
or like this:
contact.removeEventListener(MouseEvent.ROLL_OVER, overMain);
[code].....
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Jul 11, 2009
I have a level select screen with about 30 buttons. I created an eventListener for each of these buttons. My question is: When I click a level to enter the game, should I remove all the eventListeners, or would keeping them around not cause any problems?
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