ActionScript 3.0 :: Button Code Throwing Null Object Error
Jul 1, 2009
I've been fighting with this backwards and forwards and haven't identified the problem:I have three frames that I want the user to page through with forward/backward buttons. Three frames means 4 buttons, two forward buttons and two back buttons:[code]What it does is, the lets m press the first Next button and does go to the second frame, but it throws the following error and the other buttons don't work:[code]Why can't I shake this thing? Is there a better way altogether?
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Aug 25, 2011
Simple to understand problem, hoping for similarly easy solution:When I type in my search query, I sometimes get the "Error #1009 Cannot access a property or method of a null object reference" on the dataField = new ArrayCollection(result.data); line.
AS3:
private function getSearch():void
{
[code].....
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Dec 11, 2010
I'm having a little difficulty when it comes to getting objects ready for garbage collection.
I have some dynamically created movieclips.
Within each clip, I have a combo box and a close button. When the user clicks the clsoe button, it runs a function that removes all the event listeners for the close button and combo box, and removes the parent clip from stage. I also want to make the parent clip null, and this is where I get an error. I'm not sure how to tell Flash "make the parent of the close button clip = null.[code]...
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Feb 18, 2011
I am trying to use this script to jump to a certain point on my timeline:
feature1_btn.addEventListener(MouseEvent.CLICK, feature1);
function feature1(event:MouseEvent):void {
gotoAndPlay(620);
}
I have the instance of my button labeled as "feature1_btn". Why am I getting this error?
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Dec 29, 2010
So my problem here is, I'm working on my Adobe Air project, so I decided to code some buttons to be able to navigate. The problem here is that I get a error for trying to do so. Here is my code.
[Code]...
I do not see what is wrong actually, I tried this on a blank non-AIR file, and it worked well.
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Sep 10, 2009
I have a button at the start and end of a short timeline, it works fine. But when I add a simple MC to the up state of the button, flash gives me this error: TypeError: Error #1009: Cannot access a property or method of a null object reference. at BtnWithMCinside_fla::MainTimeline/frame18() The 'mc within a button' method has worked great until that button is placed beyond the first frame. why this is happening and how to fix it? (SWF attached)
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May 2, 2011
I have a button in my AS3 flash file that is using the .autorepeat property successfully. the button is too sensitive so a single click is being registered as multiple clicks. I'm trying to use the repeatDelay & repeatInterval properties but I'm getting the following error. "1119: Access of possibly undefined property repeatDelay through a reference with static type fl.controls:Button." Do the repeatDelay & repeatInterval properties work in AS3??
[Code]....
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Mar 17, 2011
I have two Flash projects, an Intro (1 scene) and a Portfolio (5 scenes).I copied all layers from the Intro and created a new scene in the Portfolio file,and pasted the layers. All of my buttons work except for the button that brings me from the end of the Intro, into Portfolio.weirdly enough, this the same button that I use throughout the portfolio to bring me to the "Home" scene.When I remove this button, the error message goes away. Below is the action, and below the action is the error message.
BtnHome_mc.addEventListener(MouseEvent.CLICK, onClick18);function onClick18 (event:MouseEvent)
TypeError: Error #1009: Cannot access a property or method of a null object reference. at Portfolio_Final_fla::MainTimeline/frame28()
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Sep 22, 2009
I have these actions on Frame 1 which works fine...
[Code]...
The button on that frame (frame 50) is a new instance of the mainMenu button which was used on frame 1, but with new code (see below), which tells it to gotoAndStop on frame 2, but doesn't work. Any thoughts on this?
[Code]...
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Mar 25, 2009
I have a page that I'm working on that works great except I keep getting an "Output" message stating: TypeError: Error #1009: Cannot access a property or method of a null object reference. at StillFrameFoto_fla::MainTimeline/portfolioOut() I'm pretty sure I just need to get rid of my button instance, but I don't know how. I have my buttons on frame 1 and I want them completely gone when it moves to frame 2. Here is the code for one of my buttons on the first frame:
[Code]....
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Jul 18, 2010
the script i wrote is working fine. but the script attached to the flash player which i have no control over is throwing a script error (im using IE8).how can i fix this? if i run it locally there is no error.
'null' is null or not an object
try { document.getElementById("").SetReturnValue(__flash__toXML(function() { return document.location.hostname; }()) ); } catch (e) { document.getElementById("").SetReturnValue("<undefined/>"); }
but this is from flash script and i dont have control over it. it just say JScript - script block.
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Nov 24, 2009
I seem to be having a recurring problem attaching events to a button i have created within 2 other movieclips.I get the following error:
TypeError: Error #1009: Cannot access a property or method of a null object reference.
So it looks like it can't find the button, in order to attach the event listener. The question is why? I am attaching a similar event to a button on the main timeline and that works fine. So it looks like a scope issue, but I am referring to it properly.
code below:
Code:
import flash.net.navigateToURL;
import flash.net.URLRequest;
import flash.display.*;[code]................
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Sep 15, 2010
I have the following piece of code(part of a much bigger program). I this code I am re-using a motion that has been previously used successfully. The trace stmts are used to identify the exact location of the error and the error conditions as best I can.[code]
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Oct 22, 2009
Could you please explain how to disable this unnecassery, bogus, and semantically invalid behavior of the network communication classes when it receives a 0 valued byte? (specifically the Socket class.)
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May 4, 2010
I added a flv into my Scene 1 then i added a new Scene.I just wanted to after finishing the .flv flash go to next scene.but when i added a new scene,and I test my movie,the .flv didnt show and i recieved these errors
[Code]...
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Mar 10, 2009
This is my code,
stop();
button3.addEventListener(MouseEvent.CLICK, playClick3);
function playClick3(Event:MouseEvent):void {
gotoAndStop(422);
}
On frame 422 there is no code at the moment. I keep getting the error TypeError: Error #1009: Cannot access a property or method of a null object reference.
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Oct 1, 2007
I am trying to use the scroll pane component and I am having a few teething troubles. I have a scroll pane as a child object of a movie clip which is essentially a 'page', if I display this page it works fine and the scroll pane does too. If I then remove this page from the display list, go to another page and come back by readding it to the display list, I get the following error, even though nothing else has changed:
TypeError: Error #1009: Cannot access a property or method of a null object reference.at fl.containers::ScrollPane/fl.containers:ScrollPane::endDrag()
The scroll pane is still visible and works correctly, but ideally I'd like to stop this error.
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Mar 11, 2010
Below is my code, and the question is explained after it.
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
xmlns:cal="cal.*"
layout="absolute"[code]...
This is exact error message I get: TypeError: Error #1009: Cannot access a property or method of a null object reference.
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Mar 26, 2009
TypeError: Error #1009: Cannot access a property or method of a null object reference. at MethodInfo-11() where is methodInfo-11?
[Code]....
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Oct 28, 2009
I'm animating some mc's at the beginning of the timeline with AS3 (mostly alpha fades), but then I have some tweened animations further down the timeline and a "naviagation bar" that's on all frames, so a user can click a button and jump to a part of the timeline to see some other animations.My problem is that if I don't wait to see the programmed animations at the beginning and just clicka button to see the other tweened animations, I get an error:
"Error #1009: Cannot access a property or method of a null object reference. at flash_fla::MainTimeline/tube_glow2_animate()"
(tube_glow2_animate() being the name of a function)
[code].....
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Aug 9, 2010
Error #1009: Cannot access a property or method of a null object reference.
This is the error I cannot seem to understand. On the stage I have a movie clip, mcTree. It's keyframe is in frame 3143. There is no tween or anything. In frame 3144, I have the following actionscript:
mcTree.gotoAndStop(2);
I publish the movie and I get to frame 3144 then BAM TypeError: Error #1009: Cannot access a property or method of a null object reference.
at 2file_fla::MainTimeline/frame3144()
As you can tell, I'm more than 3000 frames into my animation here and have made it this far using this method, and it has worked.
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May 31, 2009
I have problem with accessing object created by function imported from another package.
I have 2 packages DragDrop and UserInterface. In UserInterface I create methods for buttons and later add them in DragDrop . I make it in two different ways:
One(this one works):
[Code]....
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Aug 7, 2010
I'm having a problem with this code for selecting a character for a game. The scrolling left and right codes work but when it comes to accepting the highlighted character.[code]All I want is for it to take the label of the current frame in the movie clip (which I defined already) and set it to a string, selectedChar.[code] p1c is an instance of the movieClip containing the characters.
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Mar 27, 2009
I am trying to figure out the logic to remove a nullreference error that is popping up when an item is not dragged. Inthe code, I have a stopDrag setup for the stage. It works asexpected unless the user clicks the item but doesn't drag it. Itcauses the variable I have set to bring the name of the dropTargetto be a null which crashes the system. I have tried to declare thevariable with a default value but it still doesn't work.It is the targetStop code that it is crashing on. Is thereanyway to default a value so I can do an if / then statement todetermine if there is a value? I've tried: if (targetStop == null)but that doesn't seem to work.
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Aug 18, 2010
i'm using a Rails backend with my App and getting a AsyncToken returned from it (a DB-Call to be specific)As far as i know the AsyncToken returns a result event when done loading all data from the request, this way its possible to make sure all data was loaded before executing some function which uses the data. i tried the following implementation to get the AsyncToken converted into an Array and plotting its objects as strings to the user:
var dataSrv:services.databaseservice.DatabaseService = new services.databaseservice.DatabaseService;
dataSrv.addEventListener(ResultEvent.RESULT, dbListener);
//DBOPERATION returns my AsyncToken
var listData:AsyncToken = dataSrv.DBOPERATION;
But i keep getting a "null object-pointer" error!
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Apr 2, 2011
I am placing a external .swf into my .fla on a certain window but I had the following error:
TypeError: Error #1009: Cannot access a property or method of a null object reference. at TestingOne/createPlayer() at TestingOne()
I tried putting this into into the external .swf but no success
[Code]...
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Jun 21, 2011
I have function init, which runs on the creationComplete of the application. The init calls get_login_share_object funtion, in which objects are created, which are null.
Now my problem is that, I get a null object reference error on the Alert in "init()". How can I avoid that. Is it possible that I can have a check to see, if the objects are null the program should just skip reading the objects.
private function init():void
{
var stored_credentials:Object = get_login_share_object();
[Code]....
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Jun 25, 2011
Here are my classes
Main - creates preloader
Preloader - createas Website
Website - creates MainMenu
When a button in the main menu is clicked, it creates an object. And when another one is clicked, that object needs to be removed. The removing part got a little bit messy.
package src {
import com.greensock.TweenLite;
import flash.display.MovieClip;
import flash.events.MouseEvent;
import flash.geom.Point;
[Code] .....
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Feb 8, 2010
i used some variable, which was not initialized properly. I got a runtime error related to Null Object Reference.It was a hell, to find out, which variable was it pointing to. Cannot it be more informative, if it says, on which particular variable ( or bunch of variables), did the compiler found the null object reference. Or atleast provide me the lineNumber/linenumbers where it find the null object.The informationlessness becomes more hell, when there is more than one line, in which such null objects are used. It's hard to determine, if the line removed currently was a correct attempt or wrong attempt towords debugging the code.
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Jun 16, 2011
I'm creating a flash game with AS3 but I'm having some issues with sounds. Usually, when there is not much action around, sounds play just fine and all. But when it starts getting ugly with explosions everywhere and stuff, I start getting this every now and then[code]...
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