ActionScript 3.0 :: Adding Event Listener To A String?
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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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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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, but I have one that is stumping me.
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.[code]...
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Feb 10, 2010
Is there a way to add an event listener to a variable?
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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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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;
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[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:
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Sep 5, 2009
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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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Jun 28, 2011
I am trying to essentially pass a string as a function name into an event listener, but I am not sure how to approach this. Is there a way to convert a string into a function?
Here is some code I have for me to show you what I am doing.
package{
//some import statements
public class changes extends MovieClip{
[Code]....
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Jul 24, 2011
I'm trying to fetch some data from php to flash and print it in a dynamic text field. I know this might be a silly question but i cant seem to work out how to get flash to process the code text_field.text = data.return_msg; without it needing an event listener.So i want the code to be processed as soon as flash discovers it basically.this is what i have at the moment:
var variables:URLVariables = new URLVariables("get_blog_info.php");
// Build the varLoader variable
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a
nd i get this error:
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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.
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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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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.
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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, 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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