ActionScript 3.0 :: Event For Multiple Buttons
Nov 24, 2009
I am using the following AC3 to call a new frame when a button is down. All my instances are named as listed and I double checked that. All the buttons are on different frames. When I just use one it will work, but when I add the others I get the Output Error: TypeError: Error #1009: Cannot access a property or method of a null object reference.at final_project_fla::MainTimeline/frame1() It will allow me to move to frame 5 and 6, but not 7 & 8.[code]
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Similar Posts:
Aug 10, 2009
I'm trying to figure out if it's possible to run multiple buttons using a single addEventListener so that I don't have to create extra code. For example, in the code below I have my instance name "btnCA" which is on my movie clip. It works great and there are no issues with this code, but I need to add more buttons. Does that mean I have to copy and paste this code for each button or is there a way to add multiple instances to an event listener?
Sample code:
buttonMode = true;useHandCursor = true;
var rewind:Boolean =
[code]........
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Oct 15, 2009
i have a rookie question to ask and it's how to assign the same event listeners to multiple buttons in as3 instead of having to write out the same code over and over again like so...
ActionScript Code:
listing.home.addEventListener(MouseEvent.ROLL_OVER , butOver)
listing.home.addEventListener(MouseEvent.ROLL_OUT , butOut)
listing.home.addEventListener(MouseEvent.CLICK , released)
[Code]...
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Sep 8, 2009
Basically i am loading a series of URLs in from an XML file and i want to assign them to each button on stage (the number of buttons on stage and the number of URLs in the XML doc will match). They will correspond, so myButton1 will go to the first URL in the XML file and so on. I also want to declare button mode true on all the buttons on stage (they are actually movie clips) but i just don't know the syntax of how to do it in a for loop without writing the whole thing out in a really long winded way.Here is my code:
Code:
var myXML:XML;
var buttonURL1:String;
[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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Sep 21, 2010
I have a problem when making flash applications with more than one frame that has symbols placed on it in that I can't declare all of the event listeners for the objects at the same time and I have found that even if I put them all on the first frame, add the event listeners, then click through to the next frame then the buttons won't work on that frame.
Does anyone have any idea how I could solve this? I did consider myself a fairly competent AS3 programmer until I realised I had no idea how to handle this sort of thing. Solved: I initialised the clips from my external class and then addChild'd and removeChild'd them as I needed to and placed their x and y on addChilding.
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Aug 12, 2009
i have an if statement, an object will go to a new frame if multiple buttons are pressed
PHP Code:[code].....
now i want it so that if one condition is met the mc will goto frame 2, if 2 conditions are met, frame 3 and if 3 conditions are met, frame 4.i know i could do this with a lot of if statements but i have a lot of movie clips to use this code on, so is there any way to write an if statement that will trigger different options if multiple conditions are met?
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Aug 28, 2011
I have a flash movie with 3 buttons I am trying to link relativley to pages within my site, I have one working fine but can't get the others to link and when I try it makes the one that is working, work no more..
Below's the code I am using for the one that is working;
import flash.events.MouseEvent;var getIndex:URLRequest = new URLRequest("../index.html");
//---Enter Button---\
[Code]....
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Nov 24, 2009
I am using Flash CS4 with ActionScript 3 and I am fairly new at it. I am struggling with two things.
1. How can I start a movie clip while scrolling over a button? I know how to start a movie clip when a button is clicked.
2. How can I use multiple movie clips for seperate buttons?
[URL]
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Jan 5, 2010
I have a map with a list of items to the side. I want the list to work as buttons and highlight both the button and the particular image on the map... and when you click you link to a certain location.I also want to be able to MouseOver the map, have both the image on the map and the corresponding 'button' from the list highlight - but when you click, you go to a different location than if you would have clicked from the list.I have it set up - but something is conflicting. Here is how I have my code set:
Code:
BUTTON_ONE.onEnterFrame = function(){
if (this.hitTest(_root._xmouse, _root._ymouse, true)) {
this.nextFrame();[code].......
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Feb 4, 2010
I am creating a stand alone DVD to be used with Flash player. I am wanting to add different videos that play with different buttons. The following is the code I have for the video to play when the corresponding button is clicked..... My problem is how do I get that video to "leave" and stop playing when another button is pushed to play a different video.
Educators_btn.addEventListener(MouseEvent.CLICK,clickEducators);
function clickEducators(evtObj:MouseEvent)
{
gotoAndStop("OE")
[code]....
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Dec 17, 2011
How do I go about having buttons display in an external flv file? I know I can establish event cue points with Adobe media encoder. I want the the buttons and graphics to appear and stay on the screen, even though the external flv loops.
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Mar 12, 2012
i m tying to add event in buttons, but these button not showing hand cursor or not taking events too... here my piece of code..
package code {
import flash.display.MovieClip;
import flash.display.SimpleButton;[code]..............
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Jun 12, 2008
Found this code on the site from nunomira regarding URL request...code works, but when I try to duplicate it for 3 buttons hey go fritzy!Do I need something in between?
Home_btn.addEventListener(MouseEvent.CLICK,clickHa ndler1);
function clickHandler1(event:MouseEvent):void {
navigateToURL(new URLRequest("http://www.ebay.co.uk"));
[code]....
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Aug 16, 2007
Using Flash 8 and as2.0 I am trying to create a simple (!) app. that lets a user click one of ten buttons to go to a gallery.
On frame 1 of the .fla I have ten buttons, and on frame 2 a target mc. Frame 2 also has the script to create an xml 'object'. In the same folder as the .swf, I have ten xml files.
How can I get each button when clicked to 'pass' the url for the specific xml file to the xml script in frame 2? My xml script works pertectly if I key in the url, ie
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Nov 16, 2008
I have three buttons. My goal is that each button will load and play a sound file from the internet. Here is what I have:
function loadPlaySnd(pSpecifier1:String):void {
arguments;
SoundMixer.stopAll();[code]....
Every Button I press goes to the same sound file. The best I can figure, is that the file I loaded the first time I pressed a button has been uploaded, and from there I cannot load another file over that variable when I try another button.
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Feb 19, 2010
I'm designing a website for a Reiki/Spiritual advisor thingymebob and I have a menu on the left of my page of buttons and when I click a button it displays the contents of the button on the stage. Easy enough, so to speak, but the code I have written should send the viewer to a certain frame in the timeline where the tween begins.
When I play the swf and click the home button it works perfectly on the first page and if I go down the menu and click every other button in order they too all work fine, but as soon as I start clicking any other button randomly there is no tween effect and it seems to send me to the wrong page(!) plus straight to the clear text on the stage without any fading in tween. As though it has just gone to the last frame of the tween.
Here's the code below. I've asked the spiritual advisor for guidance and he sent me here, so please prove him right - ha ha!
stop();
myHome.addEventListener(MouseEvent.MOUSE_DOWN,
mouseDownHandler2);
function mouseDownHandler2(event:MouseEvent):void {
gotoAndPlay(281);
[code]....
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Sep 27, 2009
In AS2 you could add an onRelease to multiple buttons like this:
Code:
onebutton.onRelease = anotherbutton.onRelease = lastbutton.onRelease = function() {
//do something when either button is pressed;
}
Is there something similar possible in AS3 using addeventlistener? Besided copying the same addeventlistner line for all individual buttons?
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May 17, 2010
I have a problem with event handling. I'm working on a calendar, on which events can be listed. With actionscript i loop through an XML file with the days (and if there, the events for that day). So far so good. Where it goes wrong is this: I only want to display blocks with the day numbers on it. When you click on a day, a box pops up and shows the event's for that day.
This is what i did: created a movieclip with classname mc. loop trough the xml file and for each day create a new instance of mc with the day number as text on it. This al works, but now i want to add an eventhandler for each day. How to do this?
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Jun 10, 2010
i attach multiple movie clips (MC 0-max) to the stage and want to get certain variables when i roll over them.i want the "rollover/rollout" part to be dynamic. i tried this below, but it doesnt work i have the feeling this is a wrong approach.[code]
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Jul 1, 2009
I have a movielcip (A) class in which I have used a Tween class effect on a child movieclip (B) scrollRect. The (B) Movieclip in turn has several movieclips whose have tween class effect being executed on thier child movieclips.the tweens are all unique to each movieclip and the event listeners are taken off once completed.This works all well and good in FLASH IDE..My problem arises when I try to view this in a browser on a Windows XP.[code]
What is happening in most cases it that the animation appears to "stick" but i think what may be happening is the listening or removal of the event listeners. The animations are left incompleted.Is there any rule of thumb when using multiple event listeners?[code]the effect disables and re-enables the buttons when its done.... then the listeners are removed.each one with the exception cretes its own unique tween (obviously this is a custom class built as each clip)
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Nov 2, 2011
Let's say I have two textfields on my sprite.
I like to move textfield 1 when I press left or right arrow keys, but I also want to move textfield 2 when I press space while textfield 1 is moving like...an airplay game (you can shoot a missile while you're moving).
I really like to post my source code...but I actually have no idea where to begin.
the following code moves textfield 1 when I press arrow keys...
my code snippet:
private function keyHandler(event:KeyboardEvent):void
{
switch(event.keyCode)
{
[Code].....
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Aug 16, 2004
How to have an event on multiple keypresses rather than just one. For example I have:
on (keyPress "<Left>") {
loadText=new loadVars();
loadText.load("audiophile.txt");
loadText.onLoad = function(success) {
if (success) {
// trace(success);
MainBox.html = true;
MainBox.htmlText = this.audiophileText;
}}}
But rather than just on the "Left" key, I want it to be Left + 1 (holding them down at the same time). How can I do that?
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Jan 28, 2009
I have two buttons each in its own sprite now I want to listen for mouse overmout and click event on both. In a way that if you roll over button1 its color changes but at the same time button2 color changes as well.
To be more specific lets suppose I have a graphic button like map picutre for a country like UK and then I have text button for UK as well. What I want now is that when user either scrolls over UK map the map button color changes but at the same time the color for UL text button changes as well. same goes for click and out events for the two.
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Aug 11, 2011
]I am trying to create a swipe event where it will filter through 20 pictures but displays only 4, covering the rest up with masks. Also these pictures need to be able to be clicked on as well something like thisif i were to swipe up
|///////////////////////|
| pic1 |
| pic2 |
| pic3 |
[code]...
and if i click on pic 6 it ill take me to [URL]
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Jan 28, 2009
I have two buttons each in its own sprite now I want to listen for mouse overmout and click event on both. In a way that if you roll over button1 its color changes but at the same time button2 color changes as well.
To be more specific lets suppose I have a graphic button like map picutre for a country like UK and then I have text button for UK as well. What I want now is that when user either scrolls over UK map the map button color changes but at the same time the color for UL text button changes as well. same goes for click and out events for the two.
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Feb 9, 2009
I am using tweenLite in my Fla and I have set up this code sofar which is working fine:
Code:
function tweenTopicUp(topic):void {
var myTween:TweenLite = new TweenLite(topic, 0.6, {alpha:0.5, ease:Expo.easeOut});[code].........
The problem is that i have about 10 buttons (topic1, topic2, etc.) to go. I know I need to do something with Array but I can't seem to get it working .
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May 16, 2009
What I have done:
1/ A very simple Flash movie
2/ 5 very basic rollover buttons
What I want to happen:Everytime I'd hover the mouse on each button, I would like the background animation to run. And have the animation stop on mouseout for each button.I was able to make it on one button via this tutorial: [URL]But this doesn't seem to work with multiple buttons involved.
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Oct 28, 2009
I'm trying to link all the images in my slideshow to their respective pages in AS2. With the code below:
Code:
stop();
next_btn.onRelease = function() {
if (_root._currentframe == 19) {
[Code].....
it does not work. Do I need separate frames in the action layer or?
LINK to .fla since it's just over the limit.
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Jan 5, 2010
I have 50 buttons. Each button has to make 30 MCs _visible = false. Which results in 30 lines of code on each of the 50 buttons. The 30 lines of code are all the same for each button. How can I put this 30 lines of code in one spot, and not on every button? So when one of the buttons is clicked, it just runs this same code.
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