ActionScript 3.0 :: "Unable To Access Stage From Another Class"
Dec 13, 2009
I'm porting a Tetris game I created in Javascript to Actionscript to get a little Flash/AS experience.
I have my main flash file, TetrisMain.fla and TetrisMain.asI put the main background image of the playing field onto the stage here. It displays correctly.
I have a file called TetrisBoard.as ( keeps track of score, level, current row etc)
I have a file called Tetraminoes.as
I inserted a "block" jpg into the library. I inserted a movie clip "Block" into the library, and dragged the block.jpg onto it. When a new Tetraminoe is created in the constructor, it creates "new blocks" which are the tetraminoe blocks. [code]...
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Aug 9, 2004
I'm looking at the XML class. I would like to be able to access elements by name and the order they came in.
For example, if an xml document is structured like this:
<a>
<b>info</b>
<d>something</d>
<b>more info</b>
</a>
[Code]...
xml_object.childNodes.length will return the number of childnodes there are. But I don't see a way to get at the number of childnodes of a particular type. This will not tell me, for example, how many childnodes of type "b" that "a" has. I can't see Flash XML support being this sparse. Is there a built-in way of accessing the nth child of a node of a particular element name or am I stuck with accessing it only by number.
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Aug 21, 2007
I am unable to access variables written in a class file.
This is the class file:
class readXML {
public var modArray:Array;
public function setModule() {
[Code]....
When I access the getModule method from flash (on click of a button), I get modArray as undefined.
how I could get the data of modArray?
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Nov 28, 2008
i wonder why i am unable to access the public properties of this custom class the public var w:Number; and the Public var h:Number; i am tracing them and on an instance of the PreLoader() Class.. and ia m getting NAN;
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Aug 24, 2011
I am developing a Jigsaw puzzle in Flash. I am developing a class for puzzle piece. The code of the PuzzlePiece class in given as follows.
package
{
import flash.display.MovieClip;
import flash.events.MouseEvent;[code]....
I will be choosing which mask to use based on users selection of puzzle piece.When I try to use traingular mask by adding puzzle.gotoAndStop(2) the swf just flickers. Thought the holder_mc and mask_mc are exactly of same dimension one comes below lower than other though I have not altered the position of the clips within a puzzle piece.If you want to take a look at my fla here it is https:[url]....How to go to a specific frame 2. Why is position of two clips inside the piece changing
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Mar 7, 2012
How to access a display object on the stage in a class which is not a document class?
I am looking for a solution that doesn't involve passing the stage as a parameter to the class.
One solution i always come across is using "TopLevel.as". Is it a good method because as far as I have heard using global variables is not recommended because it might cause some problems while working on big projects.
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Jul 2, 2009
I was wondering how do you access the stage property from a different class that's not the principal class tied to the fla? Essentially, I have main.as which calls another class menu.as, and I can't seem to be able to use the stage.stageWidth property from menu.as. What's the proper way to be able to use the stage property from any class? Do I have to import it separately each time?
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Apr 16, 2009
I have a MC, instance name "jez_mc" this is inside an MC, instance name "container_mc". container_mc on on the stage.I then have an MC dynamically added to the stage. In this MCs timeline I want to access a variable stored in the class that is linked to jez_mc. This var that I want is named "score"So i figured in my timeline I could use something like:
var _jez_mc:MovieClip;
_jez_mc = MovieClip(root).container_mc.jez_mc;
trace("_jez_mc.score");
[code]....
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Feb 10, 2010
how can i access Stage. inside a class?
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Feb 27, 2009
How can i access the stage from a class? Let's say i have
Code: Select all
public class Photo extends MovieClip {
....
//contains a photo
[Code].....
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Feb 18, 2010
I have var on my stage and i want my class to be able to accessthat var.Here's what is on my main.fla:
Code:
import ShapeOuts;
var ShapeDetect = 0;
[code].....
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Feb 24, 2010
I'm trying to access a MovieClip created within the authoring tool from an ActionScript class. Here is my code:
PHP Code:
package {
import flash.display.*;
public class MoreVideos extends Sprite {
[Code].....
I also tried changing that to [stage.moreVideosBox.visible = false;], but I then got "1119: Access of possibly undefined property moreVideosBox through a reference with static type flash.display:Stage."
Is it possible to directly alter items in the authoring tool from a class? If I move 'moreVideosBox.visible = false;' outside of the class, in the main .as file, it works fine.
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Mar 3, 2011
i have textfield myTxt on stage, and i have Room.as class file.
Actionscript Code:
package { public class Room { public function Room() { // constructor code myTxt.text = "yo!"; }
I need to access objects on stage from within class.
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Jan 13, 2009
This is for AIR: My document class imports a separate class "ConnMonitor" and uses it to constantly monitor the network connection. It's at the very end of that class where it's supposed to update a textfield on the stage as the connection changes, but the class can't access the textfield.
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Jan 28, 2010
How do I access the stage in Actionscript 3 in a class which is not my main class and not a displayobject?
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Sep 2, 2011
public class MyClass extends MovieClip {
public function MyClass():void {
my_mc.addEventListener(MouseEvent.CLICK, action);
}
private function action(e:MouseEvent):void {
[Code]...
I can't able to access the my_mc(placed in FLA) movieclip. How do I access?
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Jan 6, 2010
I have a document class called Main, and a class called DispatchEventExample. In DispatchEventExample, I'm trying to add an event listener to the stage but get an 1120 error, access of undefined property stage.
If I understand things correctly, even though I create an instance of DispatchEventExample in Main, it's not added to the display list & therefore cannot access stage.
[Code]...
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Jan 28, 2009
I need a class code to access a child instance of another class code that is on the stage. I have a class code named Ball.as. On the Time Line is a child of the Thing class. It is call newThing. Here is the code in the Ball.as file:
Code:
package {
import flash.display.MovieClip;
import flash.events.*;
[Code]....
I get an error message saying that newThing is an undefined property.
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Jan 6, 2010
I've created a custom class (not the document class, otherwise there would be no problem) and I want to be able to access a MovieClip that is sitting on the stage.
How? MovieClip(parent), MovieClip(root)... don't work. What's the proper procedure?
Also, can I pass the MovieClip from the Document Class to another custom Class?
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Aug 30, 2010
Just tried using cs5 on my new macbook and I have a tlf text object on the stage with an instance name of mText. I tried to access (mText.text = "test") it like this and got a null object reference. I tried to trace the stage from my document class and it was null when the tlftextbox was on the stage but i could trace stage correctly when I deleted the textbox. [code]...
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Nov 16, 2010
I have a class that have a method to do some work and return a MovieClip. How can I access the stage from the class ? I don't add the class object to stage.
My code is like this :
Code:
import com.ClassName
.
.
.
var c:ClassName= new ClassName();
var mc:MovieClip;
mc = ClassName.create("some parameter");
I want to get access to the stage from ClassName class file.
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Feb 22, 2009
I have a dynamic text field on my stage, instance name: "lives_txt"
I want to populate this field from my Document class "Ball.as"
So in my Ball.as class I have tried: parent.lives_txt.text = String (lives);
where: public var lives:int = 3;
I get an error: access of possibily undefined property lives_mc through a reference with static type flash.display:DisplayObjectContainer.
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Nov 20, 2010
I can access the targetObj instance inside the document class, but when I try to access it in another .as class,get this error:
Access of undefined property targetObj.
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Jan 28, 2011
I m trying to access stage.width property but sometimes it trace 650 and 720 but i see my flash file dimension is 500x400, I need to align objects on stage..
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Jul 26, 2009
How do I access Stage Class properties in Custom Class?
Class:
package {
import Main;
import flash.events.*;
import flash.display.Sprite;
import flash.display.Stage;
public class Run extends Sprite {
[Code] ....
Output:
TypeError: Error #1009: Cannot access a property or method of a null object reference.
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Jan 7, 2010
I have a "box_mc" movieclip on the root of my stage and I need to select it from within my Document Class. I thought Stage.getChildByName("box_mc") would work, but it just returns null.
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Apr 21, 2010
The problem I've encountered is that I am using a keyboardEventListener to make a movieclip run around. As I'm a college student, I'm creating this for an assignment but we are forced to use as3 classes.
When I run the code in the maintimeline, there is no problem. But when I try to access it from another class (with an 'Export for ActionScript' on the movieclip in question) I get an error he can't address the stage.
this.stage.addEventListener(KeyboardEvent.KEY_DOWN, dostuff);
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Nov 20, 2010
I can access the targetObj instance inside the document class, but when I try to access it in another .as class,get this error:
Access of undefined property targetObj.
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Jun 23, 2011
I am trying to add a keyboard event listener to the stage, to detect when a user clicks the left or right arrow keys. But this listener is called from inside a class file which is imported into the document class, therefore I think it doesn't know what "stage" refers to. How do I solve this?
[Code]...
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Jan 1, 2012
I'm currently trying to add the resulting XML (xmlResult) to a textbox that is on the stage. I did try using MovieClip(root).[instancename].text = ..... however it didn't work - null object reference?
package {
public class ChatHistory extends MovieClip {
public function ChatHistory()
[Code]....
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