Flash :: Calling A Method In Custom XML Class Returns Null?
Sep 7, 2011
I am trying to call a method that has some xml functionality and It keeps coming up null.What I am trying to do is; I have a page that has four dynamic text fields that get their content from an xml file. I would like to create a method that will output the contents to display in the dynamic field. Maybe my approach is WAY off here, but my supervisor wants all xml related tasks contained in a xml.as fileMain.as
package classes
{
import flash.display.*;
[code]....
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Similar Posts:
Jun 7, 2010
I have two MC's on stage,
MCmenu is a button array,
MCtext is a collection of text with frame labels. It's labeled as MCtext
The menu buttons tell MCtext to play the frame label as the button clicked. This *used to work*, but Flash was laggy as hell so I updated it. Now the same code returns #1009: Cannot access a property or method of a null object reference. at MCmenu/itemClicked()
Code:
function itemClicked(butn:Event):void {
parent.MCtext.gotoAndPlay(SomeArray[butn.currentTarget.label);
}
I've tried just using a frame number, but still the same #1009
I've tried the Script Assist to target the MC on the stage:
using root.MCtext... still the same #1009
using this.MCtext... returns a #1010
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May 2, 2008
So I dived into AS3 and decided to create an XML Loader class.
Code:
package
{
import flash.events.Event;
[Code].....
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Oct 13, 2010
I am trying to call a custom method of an embedded flash like so:
var flash =
navigation_get_flash_movie_object('main');
if (flash) {
flash.continentOut(id); }
Which works great in Chrome ans Safari, but fails utterly in IE7 & IE8. The browsers throws an error that the object doesn't have such a method.
I am using the example from [URL], and now that I've tested it, it also fails at it's testing page as well [URL]
invoke custom functions in a Flash object from Javascript?
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Jul 29, 2011
I have called this flash code in Flex using SWF loader . I got the following Error. Here I have attached flash coding for header_text_fla Kindly do the needful.
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at header_text_fla::MainTimeline/loaderComplete()
var myEvent:Event;
var myParams:LoaderInfo;
[code]....
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Jul 5, 2010
I have a rather silly question but as3's document class always gets me confused.I have a public method on my document class. I want to call this method from another class that is instantiated from within an object in the library of the flash file (the same one on whose document class I want to call a method).
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May 10, 2011
I did a separate levelData class to be able to flexibly add levels. I was happy with it until my supervisor ordered me to convert my levelData into XML. I did an XML version of the levelData's data (question, answers, correct answer...). I used the old class and converted it so that it fetches the XML.
All seems well, I did traces of my answers array and it printed nicely...
But the headache started when I tried this.
// This code appears in a different class with
// currentLvl:LevelData initialized in the constructor.
quizHolder.ansA.ansHud.text = currentLvl.choices[1];
[Code].....
LevelData Class in PasteBin: [URL]
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Jul 15, 2010
I have a mediator that I've registered for a navigation page:
facade.registerMediator(new NavPageMediator(viewComponent));
I'm trying to retrieve that mediator on another page like so:
var navPageMediator:NavPageMediator = facade.retrieveMediator(NavPageMediator.NAME) as NavPageMediator;
However, that statement returns null. If I try to cast it using the NavPageMediator(facade.retrieveMediator(NavPageMediator.NAME)) syntax instead, I get a TypeError: Error #1034: Type Coercion failed: cannot convert com.website.mvc.view.page::NavPageMediator@237560a1 to com.website.mvc.view.page.NavPageMediator.`
I can't, for the life of me, understand why NavPageMediator@237560a1 would be unable to convert to NavPageMediator, nor what happened in between registering the mediator and retrieving it that caused this. Especially since trace(new NavPageMediator() as NavPageMediator); returns [object NavPageMediator].
Incidentally, and this may be part of my problem, I don't understand what the @hash at the end of the object is (@237560a1). Is it simply an internal identifier for that class instance?
Edit:Left a bit of important info: The SWF in which I instantiate and register the mediator is separate from the SWF in which I try to retrieve it.
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Sep 4, 2011
If I have a document class:
package {
import flash.display.MovieClip;
public class Main extends MovieClip {
[Code]....
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Jan 8, 2010
I'm doing some calculation with numbers and would like to only print an integer (the number without the decimals).I thought that the toFixed() method of the Number class would do the trick, and it does most of the time. But quite frequently strange values are returned. Here are 2 examples:
Number(0.002).toFixed(0) returns
"0." while
Number(1.002).toFixed(0) returns
"1" (without the period)
Once in a while, Number(0.002).toFixed(0) returns "1"
Needless to say that's not the expected behaviour. Am I not using this method correctly?
*edit: I know I just have to do int(0.002) to get 0 but I'd like to understand that strange behaviour.
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Aug 16, 2010
I have two classes. The Main class calls a function, which is defined in a Second class.I'm getting the following error:Error 1120: Access of undefined property myFunctionBasically, I am creating buttons in the Main class that will add a corresponding Child to an Object in the Second class (if you click one button, child x1 will be added, if you click another button, child x2 will be added, and so forth).Here's the relevant code for the Main.as file:
package
{
import flash.display.MovieClip;
[code].....
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Jul 15, 2011
I have the following parent class that I'm working with:
Code:
package {
import com.poptent.SubClassOne;
import com.poptent.SubClassTwo;
[Code].....
I am trying to set it up so that a parent method called by subClassOneInstance can affect subClassTwoInstance.
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Jul 6, 2010
I have a public method on my document class. I want to call this method from another class that is instantiated from within an object in the library of the flash file (the same one on whose document class I want to call a method).
I have tried everything and nothing seems to work. How do I do this?
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Feb 24, 2009
I keep getting an "undefined property" error when I try to call an external function from within the Doc class. I added the error message to the Doc Class below so you can see where it occurs.
If I take the code from the Tooltip.as below and place it on the FLA's main timeline I can get things working fine, but I would like to move all script to classes. The document class structure looks like this:
Drag_and_Drop.as
Code:
package {
import Tooltip;// Import custom class
public class Drag_and_Drop extends MovieClip {
[Code]....
I realize that I could just combine all the code in the Doc class to get it working, but it would be nice to separate out this particular code which has only one use.
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Jun 4, 2009
I have a custom function that doesn't function correctly the first time the function executes it removes a textFiled from the display list without a problem but the second time that it executes it won't remove a diffrent textfield and I don't know why here is the code from the time the textField is added to the diplay list to where its deleted.Btw the function in question is being executed by a custom event listener.....the errors i receive are TypeError: Error #1009: Cannot access a property or method of a null object reference...Also note that i can remove the textField in question from any function other thatn the one the custom event executes.
PHP Code:
sendBtn.addEventListener(MouseEvent.CLICK, sendMsg0,false,0,true);
msgOut.addEventListener(KeyboardEvent.KEY_DOWN, sendMsg1,false,0,true);
comboBox.addEventListener(Event.CHANGE,chFontSize,false,0,true);[code]..........
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Jan 11, 2010
I've basically got an MC (menu_mc) that is on the first frame of the main timeline. I want menu_mc to call functions on the main timeline depending on its status. When the function is successfully called, I want to move menu_mc, however I get a null object reference despite the object menu_mc being visible on the stage.
here is the menu.as code
Code:
package {
import flash.display.MovieClip;
import com.greensock.*;
import com.greensock.easing.*;
[code]...
As you can see from the commented out lines, I've tried doing the same thing with eventDispatcher, but have been unable to listen to the event from the main timeline.It seems as if the function is being called before menu_mc is placed on the stage, despite the ADDED_TO_STAGE eventListener.
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Jan 10, 2011
I have two classes, in one (the Start class) I want to run a function I created in another (the Brown class). I commented in Start where I want to call the "addBrownListen" method. I tried doing it with the line:
Brown.addBrownListen();
But that didnt work.
Here are the two classes:
package {
import flash.display.MovieClip;
import flash.events.Event;
public class Brown extends Rebounders {
[Code] ......
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Jan 28, 2009
I create an instance of an object - This is on my main.fla
ActionScript Code:
var newClass:MovieClip = new myClass;
newClass.myFunction();[code]....
I've tried putting parent. before it etc - just to note this isnt my actual code I'm working on but a simplified version of it.
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Jul 6, 2009
private function getFriends(thisSession:Facebook):void {
getFr = new GetFriends();
var thisCall:FacebookCall;
thisCall = thisSession.post(getFr);
[Code] .....
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Feb 8, 2011
I'm currently working on a Flash application that has a sibling AIR equivalent. From inside the Flash application I would like to install the sibling AIR App. Adobe has provided an air.swf (which is also used in the Badge sample) to aid us with the install. I've managed to mimic the behavior of the Badge app butgetApplicationVersion always returns null. Note that I do not have a publisherId. Here's the documentation provided by Adobe: Installing and running an AIR applications from a web page
Air application XML:
< id >MyAirApplication< /id >
...
[code]......
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Mar 3, 2011
I'm running the latest build (I'm pretty sure it's 1.0) on Ubuntu and I am calling a function on an amfphp service on another server. Everything seems to be in order, but I am getting a strange return value using the following code:
String url = "http://path.to.our.server/gateway.php";
RemotingClient client = new RemotingClient(url);
Object[] args = new Object[]{"Hello world!"};
Object result =client.invokeMethod("service.manager.say", args);
if(debug) System.out.println("return from server: "+result.toString());
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Jul 27, 2009
If all I have is an instance of an object, can I call a static method of its class? For fun, let's say I don't know what the name of the class is, only the name of the static method.
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Sep 21, 2011
My method has been passed a class instance, but it was typed through an interface so I'm not 100% sure what class it is. I'd like to attempt call a static method on that instance's Class.. is there an easy way to do this without being forced to pass the class along as well?
Something like this:
ActionScript Code:
public function foo(myBarInstance:IBar):void {
var barClassPointer:Class = getClass(myBarInstance);
try {
[Code].....
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Jun 11, 2009
i am making a simple slideshow in AS2 (Flash CS3). I got all the core logic working fine in a FLA frame action - now trying to externalize it into a class. The first snag I hit was in trying to setTimeout -- when I passed a class method as the setTimeout function, it no longer could talk to the class variables/methods. I fixed this by passing along an instance of the class to the class method called by setTimeout something like this:
setTimeout(myMethod,delay,classInstance);
Now I've got a similar problem with my Tween.onMotionFinished() handler -- i want it to call another method in my class but it doesn't know what the class is or how to access it.How should this be accomplished? I've tried a similar trick in which I try to stash a class instance inside the tween (through bracket syntax eg. myTween["classInstance"] = this; but this doesn't seem to work.
Is this a case where I basicallyneed to create an event listener in my class & then just send an event out when the tween finishes? Or is there a simpler way to let the tween know about the class (without relying on instance names of the class itself)?I'm still new to OOP so not completely got my head around what can/can't access my class methods/variables especially when I'm creating objects like Tweens inside my class.
here's my current SlideShow.as class:
Code:
/*
imports
*/
import mx.transitions.Tween;
import mx.transitions.easing.*;
[code]...
and then I just create a slideshow from an existing framesequence MC (who has stop() on frame 1) in the FLA thusly:
Code:
import com.pixelfarminteractive.slides.SlideShow;
//SlideShow(slideMC:MovieClip,easeTimeSec:Number,holdTimeSec:Number,numSlides:Number)
var ss = new SlideShow(slideshow_mc,2,2,4);
ss.start();
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Apr 12, 2010
I am trying to figure out how to call a title to come on screen when the titles are defined in an .as file that is not the document class. The titles would be defined in one .as file like the one I have posted below. I am trying to economize on the number of things that I define by not repeating code. So I wrote out the following quazy code to give you an idea of what I have done to create the titles. How I would call a title in the document class from this custom Titles class.
Code:
package asFiles.stageElements {
//import statements
public class Titles extends Sprite {
//variables defined
public function Titles {
[Code] .....
So I guess the question is what statement would I use to call one one of the titles above to be displayed?
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Jun 16, 2011
I've always just developed my projects in as3 instead of mxml and I usually just setup my application to run a main actionscript file as my main doc root, sort of like how you do it in flash but in flash builder I do something like this:[code] how can I call place a call to that function hitme() within the call_from_outside() function between the <fx:Script> tags?The reason why I'm doing this is because I have some flash swfs that I load into another swf file and I can access the top level public functions of those flash swfs, however the top level of the flash builder/flex swfs is the main mxml file not my fake as3 class root. Of course I should think there is a way for me to access the as3 class methods of the mxml component but for keeping things with the same structure, I can bypass having to modify my loader scripts.
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Sep 15, 2007
Is it possible to call a function defined in a movie clip from a class?Here's a sample project setup I'm trying to achieve this simple feat:
func.fla
- Has one movieclip "fooinst" which is library item "foo".
- The "foo" library item has linkage is to the "Foo" class
- The "foo" library item has one script on it's first frame:
[code]....
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Aug 17, 2007
what I want to do is let a lister triggered function create a new timer, but somehow it doesn�t work.
Code:
class classesUI.GamePage extends MovieClip
{
private var timeKeeper:TimerExtended;//Special class
private var roundTimes:Number;
[code]...
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Sep 22, 2009
I'm now finding the great need for classes as my current project is getting quite gummed up with too much scripting in the main document. Becoming a real pain to find stuff with in my code.
So I started writing a class to takes an id passed to it from the main time line, accesses my mySql DB, pulls the related info and the processes it. What I can't seem to figure out, is how to pass a variable back to the main time line. The traces all work, so I know my class works. I've searched here and via google, but I must not be searching the right stuff because I get a lot of results with are usually very complicated questions that don't yield the answers I need.
so here we go. my main.fla (and question):
Code:
import Name;
var theUserName:String = "Joe";
var processName:Name = new Name(theUserName);
[Code]....
ps: what's it called when trying to call a method from the main time line? or passing a property back to the main? are there specific terms for these?
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Feb 9, 2011
I am trying to code a flash app entirely in the document class. I am using GestureWorks with a touch screen. When a user essentially presses a button it calls a method that should hide a specific graphic but not the graphic they touched.
Essentially I need a way to refer to a graphic on the screen using a method besides 'e.target'.
I am receiving this error: Error #1009: Cannot access a property or method of a null object reference.
[Code]...
It can access photo1Sprite as 'e.target' when the button click happens on the photo1Sprite. The problem happens when to click one button (not photo1Sprite) and have it effect photo1Sprite. So I can make photo1Sprite react if my method is attached to it directly using 'e.target' but not if I am trying to call it from a method that was called from another element on the screen.
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