ActionScript 3.0 :: Dynamic Movieclip Add Event Listener?
Jun 4, 2009
Adding addEventListener too a Child object
I am programming a "build a tower" game. After removing the event listener from the first movieclip, flash won't add the event listener to the by as3 to the stage attached new movieclip.
Error MSG:
TypeError: Error #1010: A term is undefined and has no properties.
at stackers02_fla::MainTimeline/keyDownHandler()
Code:
//Vars
var $newObjectName:String;
var $direction:String;
var $level:int;
[Code].....
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Similar Posts:
Mar 4, 2009
i've not tried to do anything odd with eventListeners up until now. i have a movieclip with multiple frames that i use AS to attach a textfield to it. problem is i have a eventlistener for when the mouse rollsover the movieclip to go to frame 3 of the movieclip.
[Code]...
what's causing the textfield to suddenly take precedence and how do i stop it. when i trace the evt.target - it is my movieclip.
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Jun 25, 2009
I'm new to ActionScript and am having trouble hooking up callbacks to take extra, dynamic args.The basics are: I have a method that takes a couple of parameters, uses a RemoteObject to send an operation to get a third value, and I want to pass all three (the operation result and the original two) to another callback.[code]This does allow passing extra args, but it is adding a new listener each time createMeeting is run. So I would need to remove the old listener, but I don't have a handle on the old callback since it was dynamically created/anonymous (I'm not sure of the correct AS terms).I guess I could create a custom event dispatcher that kept track of the previous listener. But maybe removing and adding new listeners each time is the wrong solution to begin with. How would you set up a listener like this when the extra parameters you want to pass to the callback will be changing?
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Apr 27, 2009
I have a movie clip being dynamically added to the stage via an AS3 linkage call:
gameOver_mc = new GameOver();
stage.addChild(gameOver_mc);
The movie loads as required.But when the movie has been added I want the user to be able to press spacebar and a function to run.So in the GameOver.as class I wrote the following:
Code:
package
{
import flash.ui.Keyboard;
[code]...
But as soon as the movie clip tries to load I get the error message: TypeError: Error #1009: Cannot access a property or method of a null object reference.I would have thought this would work fine. When I trace the statement in the Constructor function is works. Its only when I try to add an event listener that I get the problems. So am I not allowed to add event listeners from a dynamically loaded class?
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Apr 27, 2009
run event listener through dynamic object call
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Aug 3, 2010
I've an array of movieclips created via code that have some textfields. Then i have added some listeners to the movieclips.
Here the code:
Code:
arrNot[i].addEventListener(MouseEvent.MOUSE_OVER, titoloOver);
private function titoloOver(e:MouseEvent){
var nome:String = e.target.name;
TweenMax.to(curs,1 ,{y:contMain.getChildByName(nome).y + 23});
}
This code moves a cursor calculating the y coordinate depending the moviclip that is mouse overed. Now the movieclips have some textfields so when i mouseover the movieclips all works ok but when i mouseover the textfield i receive a #1009 error.
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Mar 24, 2010
Is it possible to check if a movieclip has an event listener on it?
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May 12, 2011
way to trigger a functiont when a movieclip animation finishes? I figure an eventlistener could handle this, but not sure the best way to go about it.
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Dec 15, 2009
I have a project with 15 dynamically created MovieClips on. The clips are images loaded from XML.As each one is loaded I assign an id to it. screen.id = [i];Now normally I would add an event listener to trigger each of these to "Do Something" but I want it to be an automatic process. So I have set up a function to create a random number between 0 and 14 with the idea that I can use the number to help reference the MovieClip with the id of the randomly generated number...But I don't know how to go about this Something like...
Code:
Select allprivate function randomNumber(low:Number, high:Number):Number
{
var low:Number = low;
var high:Number = high;
[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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Oct 24, 2011
I'm thinking of making a movieclip which stops itself at certain points (just with stop(); at certain keyframes in the movieclip timeline), then the user is prompted to continue the clip.
What is the best why to listen for the stopping of the movieclip? I think I want an event listener that detects when the movieclip is stopped, but I don't know if there is one.
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Dec 8, 2009
I have ActionScript inside a movie clip running a scrollbar.[code]...
I need to remove the Stage Event Listener (stage.removeEventListener(MouseEvent.MOUSE_UP, thumbUp)) when I switch menu items. How can I call the removeEventListener for the stage from outside the movieclip?
The parent movieclip is called about_mc and when you click away to another page it tweens out. I really just want to about_mc.stage.removeEventListener(MouseEvent.MOUSE_UP, thumbUp).
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Jan 31, 2010
I have a slideshow that loads an image via XML, then adds said image to a placeholder inside a movie clip, and then proceeds to play a little sliding animation via the movie clip. What I need to do is figure out how to get an event that the movie clip is finished and sitting back on frame 1 so that I can run a "nextImage" function that loads the next image from the XML. I'm pretty new to actionscript, and I can't for the life of me figure out how to properly handle what should be a simple event. If I put a simple listener at the end of the movieclip, it doesn't talk to the main script at all?
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Mar 15, 2010
How do I make an event listener that will tell my movieclip to gotoAndPlay a different frame if x is < than 100?
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Mar 13, 2011
I have created event listeners for a particular movieclip.Insidet this movieclip there is so many objects.When ever I click on the parent movieclip the event listener calls the function for the child object. I had tried removeEventLIstener()
import flash.display.MovieClip;
import flash.events.Event;
import flash.events.MouseEvent;
var info:MovieClip=new MovieClip();
info.graphics.beginFill(0x000000,0.35);
[Code] .....
I want to delete mc's parent
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Jul 13, 2010
I want to run a function when a certain movieclip enter a specific frame. The problem is it run the function repeatedly. I only want it to run once each time the movieclip change from one frame to another is there an event Listener that does it ? (can't put the code on each frame of the movieclip to sloppy and long)
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Apr 12, 2010
I'd like to simply scale down a movieclip (that I'm treating as a button) when the user presses their mouse button. When users release the mouse button, I want my button to scale back to it's normal (.scaleX = .scaleY = 1) size. My button also has listereners for a ROLL_OUT event to turn off (.alpha = 0) a highlight movieclip that rests atop movieclips showing the different states the button can be in.
When I roll over the button, the higlight comes, but there is an annoying flicker problem. For some odd reason, when I press the mouse button the ROLL_OUT event handler function is called, yet I didn't scale the movie down enough for the cursor to be off of the actual button itself. I do not want that flicker. I'm not sure why ROLL_OUT is being called even though the event is clearly a mouse down, and within the mouse down event handler I am scaling the button movie clip, but not enough to remove out from under the cursor. In other words, if I click the button at its registration point, a flicker appears.
Here's my code.
//this add all the appropriate listeners to the button private function addMouseListeners() { this.addEventListener(MouseEvent.MOUSE_OVER, mouseOver); this.addEventListener(MouseEvent.MOUSE_DOWN, mouseDown); this.addEventListener(MouseEvent.ROLL_OUT, rollOut); this.addEventListener(MouseEvent.MOUSE_UP, mouseUp); }
[code]....
why my rollOut function is being called when the mouse button is pressed, and called once more when the mouse button is released.
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Feb 4, 2009
this is the error I am having:
TypeError: Error #2007: Parameter listener must be non-null.at flash.events::EventDispatcher/removeEventListener()
at project1_fla::MainTimeline/btnName()
here is my code:
ActionScript Code:
import caurina.transitions.Tweener;
import caurina.transitions.properties.ColorShortcuts;[code]..........
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Jul 7, 2011
I am trying to learn JavaScript and I am wondering whether JavaScript has a event listener just like ActionScript's ENTER_FRAME. Basically, I want this event listener to listen "all the time" not just wait for any particular instance (mouse click, keyboard event) of event.
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Nov 17, 2011
if I have an event listerner (mouse, keyboard, enterframe,....event) that is being triggered, and when it finishes its event, something that is able to detect the finished event listener and fire out another sets of event.
It works more like MOTION_FINISH in TweenEvent, but it is only available for TweenEvent only, what if I want to detect a mousclick, keyboard, enterframe or even touch event?
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Feb 23, 2011
My stage has about 25 buttons on it. Each button when pressed to tweens the background to some random x/y coordinates and then loads an external swf file.This is all working, but the timing is off. How can I wait for the initial background tween to end before I make the loader call to the .swf file.Currently each button's behavior is called on the MouseEvent.CLICK event which calls a function that knows its unique filename.swf. I know you can add the MOTION_FINISH even to the tween event but then I would have to call a new function and lose track of the button that initially called it.
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Feb 27, 2007
I'm moving on to my next massive programming project and I'm trying to decide whether I should code it in as 2.0 or 3.0. I came across the new click event model in 3.0. Right now it's looking like a pain in the butt to me. So now I have to make a function and add it as an event listener? what the hell? What's the benefit? I understand stuff like this makes AS a more complete language but it's kinda annoying.
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Aug 20, 2009
This is a very basic question but I can't seem to find an answer. I have a mouse over event and have created the buttons with the mouse overs which is working great. I created the actionscript to go to a specific web page when a user clicks the button. Now, I need to add a label to the mouse over so when someone mouse's over any area of the button, it will show them a particular name for the button.
I am sure that this can be done using actionscript in a mouse event roll over command but I can't figure out what I need to show the text. Here is where I am:
[Code]..
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May 13, 2010
how can i access event.target outside event listener method.say for example
my_mc.addEventListener(MouseEvent.CLICK, onC);
function onC(e:MouseEvent):void
{
var m:MovieClip = e.target as MovieClip;
}
trace(m.totalframes);/// not working
now what if i want to get totalframe property of m instance, in short for every movieClip clicked.
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Jul 8, 2011
I am doing this inside a module containing viewstacks and their childs.Calling onInit() on creationComplete of module.When I am inside one of the childs of a viewstack of this module and press Enter, it doesnt not invoke the listener function at all (bp inside this does not get hit).
private function onInit():void{
this.addEventListener(KeyboardEvent.KEY_DOWN, keyPressed);
}[code]..........
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Nov 18, 2011
This might be more of a subjective question, but is it generally best practice to have one dedicated method per event-types that you add an event-listener?
Such as:
myButton.addEventListener(MouseEvent.MOUSE_OVER, onMouseOver);
myButton.addEventListener(MouseEvent.MOUSE_OUT, onMouseOut);
//Somewhere else in the code...
[Code].....
And if you had a MouseEvent.MOUSE_UP, MouseEvent.MOUSE_DOWN and other relevant MouseEvents event-listeners to watch for, you could even set a switch statement to handle all the various MouseEvent types.
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Jul 30, 2009
I have these buttons in a movie clip and I would like to have only one event listener for the parent, using event.target to point to the children. I have also tried event.currentTarget, and it didn't work.here is the code that works:
test01.abtn.addEventListener(MouseEvent.ROLL_OVER, mouseHandler);
test01.bbtn.addEventListener(MouseEvent.ROLL_OVER, mouseHandler);
test01.cbtn.addEventListener(MouseEvent.ROLL_OVER, mouseHandler);[code]....
It is only targeting the movie clip, not the buttons inside the movie clip.
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Jan 7, 2010
how to add an event listener to an event from a custom class. Here are the relevent lines of code (I think) from the class:
[Code]....
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Nov 3, 2009
I have a code in AS3 that works when you rollover it. I need to use the same code but not with an eventlistener for a mouse event but a frame event when the timeline plays the clip
var coordX:Number = shaker_mc.x;var coordY:Number = shaker_mc.y;var timer:Timer = new Timer(10); shaker_mc.buttonMode = false; shaker_mc.addEventListener(MouseEvent.MOUSE_OVER,startShake);shaker_mc.addEventListener(Mous
[code]....
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Apr 20, 2010
printableInvoice.addEventListener(batchGenerated, printableInvoice_batchGeneratedHandler);Results in this error: 1120: Access of undefined property batchGenerated. I have tried it as FlexEvent.batchGenerated and FlashEvent.batchGenerated.
The MetaData and function that dispatches the even in the component printableInvoice is all right. It I instantiate printableInvoice as an mxml component instead of via action-script it well let put a tag into the mxml line: batchGenerated="someFunction()
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