Android :: AS3 Referencing Class From Timeline
Dec 10, 2011
I can import other classes to the timeline and use them just fine, but this class is giving me major problems? I am parsing XML data from my server on it and it is giving me errors that look like this.
The timeline reference and usage:
import networkScores;
var network:networkScores = new networkScores();
addChild(network);
score1Textfield.text = network.score1.toString();
[Code] .....
The errors I am getting:
Scene 1, Layer 'Actions', Frame 4, Line 149 1119: Access of possibly undefined property score1 through a reference with static type networkScores.
1067: Implicit coercion of a value of type networkScores to an unrelated type flash.display:DisplayObject.
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Similar Posts:
Feb 3, 2009
Ok, this is one of those walls that I know once I can jump over it, I will be a much happier developer again.
I've done tons of reading, and think I have a firm understanding that the general consensus is that if you want to reference something, it needs to be added to the display list, using addChild().
I hate to be defiant, but what if I don't want to?
Or at the very least, what if I want to add a movieclip class to the stage using addChild, and then reference objects inside it?
It is much easier this way than what most people recommend - adding 15 objects via addChild, then setting the x and y for the, etc.
That said, I'm all about using classes and using as3 the way it was meant to be used. So what this is, is a best practices question I guess.
HERE ARE THE STEPS I'M TRYING:
- Create new flash document
- Draw graphic symbol bg, with text field over it, select them, convert to movieclip symbol, and export class name "box", then delete it from stage
- Add document class .as file, which simply adds that class "box" from the library, to the display list using a simple addChild()
- Set a name for that box using box.name = "test" let's say
- Do a simple trace like the following - "getChildByName('test').textFieldName" - it shows up great
- So then, I'll now try to set the text by doing this - getChildByName('test').textFieldName.text = "yo";
That last line above, is what doesn't work. I know I'm referencing wrong, but how would a pro as3 developer, reference something on the stage within a movieclip class, from the document class?
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Aug 20, 2006
I have a root timeline in which contains a movie clip on a certain frame. Inside that movieclip, on it's second frame, there is a button. I would like to use this button, when clicked, to move take the user to a frame on the root timeline.
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Oct 16, 2003
i just wanted to know if its possible to reference a different levels timeline. I want to create transitions in my site when loading dynamic content. I looked at the tutorial but it specifiacally relates to loading movies into movie clips. In my site i am already loading movies into levels.
I have my navigation on the main timeline (level 0) and im loading and unloading each sections content into level 1. Is it possible to load a movie on level 2 with a mask and preloader that will cover the content being loaded into level 1?
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Mar 11, 2011
I need to increment an integer variable in a function within the document class upon transpiring event in another class. I can't seem to figure out how to call the function and reference the variable.
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Dec 23, 2009
This used to work in flash 8.I just purchased CS4 and am trying to learn a few basics.I have nested arrays on frame 2 of the main timeline. [code]I can no longer use _root. on the mc to reference the main timeline.If I trace myQuestions from the mc I get an error.
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Jun 14, 2009
I just poked around google as well as these forums, but the only answer I am seeing that was successful, is from kglad, and for some reason his posts are not showingAnyway, I am just trying to figure how to reference a frame label on my main timeline from a loaded swf (through my imageLoader).
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Jun 30, 2009
I have a 13 movieclips within another movieclip which in turn is placed on the root timeline. I have written a function in the actions layer of the main timeline:
function illboxClear(){
_root.illpre.ill1.gotoAndStop(1);
_root.illpre.ill2.gotoAndStop(1);
_root.illpre.ill3.gotoAndStop(1);
_root.illpre.ill4.gotoAndStop(1);
[Code] .....
It sends the animation in each of those described movieclips back to frame one as you can see. When I try to call the function from actions on a button which itself within a separate movieclip placed on the stage:
on (rollOver) {
illboxClear();
_root.illpre.ill2.play()
} on (rollOut) {
_root.illpre.ill2.play()
} on (release) {getURL("boxer.html","_blank");
}
It doesn't work! Can I not call functions from button objects or have I made some other elementary error?
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Jul 7, 2010
I'm trying to:Jump from frame 1 to a frame later in the main timeline Reference an object that exists on the stage in that frame, but not in frame 1
Like so:
ActionScript Code:
function endGame():void {
gotoAndPlay("gameOver");
scoreField.visible = false;
}
A movieclip with the instance name 'scorefield' exists in the "gameOver" frame, yet for some reason, I just get a "Cannot access a property or method of a null object reference." This code is all within a function. By the time the reference to scoreField is executed, the timeline is at the right frame.
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Sep 2, 2010
I am having problems referencing a variable on the main timeline in a .as file using root.variable.
[Code]....
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Oct 25, 2010
So I am using the following code to load an external swf and am trying to reference the timeline of the loaded movie i.e. a frame label. Say I wanted to do a simple gotoAndPlay what is the syntax? I would use (myloader.gotoAndPlay ("framelabel") this seems like an obvious answer but doesn't seem to work for me.
Code: Select allfunction yesClick(event:MouseEvent){
/////// Loader (Loads External SWF lesson file) **********************************
var myLoader1:Loader = new Loader();
[code]........
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Jun 19, 2010
I have an enemy on the stage that reads whether it's being hit by a bullet by a hittest. There's a for loop inside the enemy's class that looks for all the bullets and names the bullet that's hitting it "hitBullet". What I'd like to do have an easy way of seeing what type of bullet is hitting the enemy. I'm basically looking for something like
if (hitBullet == RegBullet) {
//do regular bullet dying
}else if (hitBullet == ClusterBullet) {
//do clusterbullet dying
}
, where RegBullet and ClusterBullet are classes. But I have no idea what hitBullet is equal to when a ClusterBullet or RegBullet hits it. I traced hitBullet to see what it would return and got "[object ClusterBullet]", but I'm not sure what that would be in the actual code.
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Apr 14, 2009
I'm loading an external SWF("slides.swf") into a AS3 UILoader component on the main stage with an instance name of "loadWindow" when the user clicks a button.I'm also monitoring "slides.swf" loading with preloader script. When the movie in the UILoader is completely loaded, I want to advance it (the movie within the UILoader) to the next frame. In AS2 it was easy to reference a swf loaded into a movie clip... the nested movie's root took the place of the MC's timeline.
stop();
load_btn.addEventListener(MouseEvent.CLICK, loadFile);
function loadFile(e:Event):void {
[code]....
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Sep 27, 2009
I have a class called Circle and a class called ShapeFade, both with their own .as files. How do I add an instance of ShapeFade to Circle inside the Circle constructor? Like in the Circle file:
PHP Code:
public function Circle () {
this.addChild (ShapeFade);
}
Also, can I override a class function from the code window in the stage?
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Mar 17, 2009
In As 2 you were able to reference a linkage ID using a string.Example
Code:
var strName = 'home';
attachMovie(strName+'_mc', strName, 1);
[code].....
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Nov 17, 2010
I usually would call the parent of my class by something like:
MyCustomClass1(parent).thisFunction();
My problem is this works if I know the class of my parent. How do you handle the case where you class could have a parent of 2 or more possibilities?
parent.thisFunction(); // throws error of course
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Mar 16, 2009
A have two classes: Main and Navigation. I try to referenceobject in Main class from Navigation class based on the buttonnumber I clicked. Doesn't work as I want it to work. What can I do
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Jan 17, 2010
I have externalized the actionscript code of a movieclip into a separate class files.This movieclip requires references to some other clips on the stage. What I am currently doing to reference those clips is by using Movieclip(this.parent).otherclip but somehow that feels wrong.Is there a better way to pass in the required references into a class extending from Movieclip inside of the constructor? Or what is the recommended pattern here?
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May 3, 2011
I have a bunch of variables in a class. There are situations when I want to set then to null/ "temp" etc as per a well defined logic. The challenge is to list out the variables at multiple places- tedious and error-prone.
classname.speed=NaN
classname.speedtype="not_set"
classname.distance=NaN
classname.distancetype="not_set"
would prefer a way to refer to these variables programatically and set something like "for all class variables- if variable ends in type, set as "not_set"; for other variables set as NaN How can I achieve this?
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Mar 5, 2011
I'm working on a game that pulls most of its information from an SQL table. The game itself has several different items that derive from a BaseItem class, and all have widely varying behaviors. While deriving these classes from the BaseItem class and scripting the correct behavior is easy enough, I'm having a bit of trouble trying to come up with an efficient way of storing the information for these items so that not only will the items be in the state that the user left them when they were last saved to the database, but they will be the correct item when loaded from the database in the first place. I'd like to do this with as little pollution of the iteminfo table as possible (for instance, I want a Truck item to have a "wheels" value of 4, but I don't want an item_wheels field on the row if the item is Pogo-stick).
So far, my best idea has been giving iteminfo an "itemtype" field that accepts an enumeration, like ITEM_TRUCK or ITEM_POGOSTICK, and using a switch statement in AS3 to instantiate the correct item based on the pulled value, but this seems rather sloppy.
The thread title says that I want to reference a class directly from a table, but if I knew how to fix this I'd have done so already, so I'd love to hear any solutions. And just for the info: I'm working with a combination of AS3, PHP, and MySQL.
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Aug 10, 2011
Is it possible to use a class name stored in a string and pass it as a parameter??I'm using the push method in a flex mobile project. I have the name of the view I would like to pass into the push method stored in a string. But the push method only accepts it as a class not a string.How do I use a String to load or pass the class name to the method?
var NameClass:Class = "views.Contact";
navigator.pushView(NameClass);
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Oct 31, 2010
just thinking out the setup of a sidescroll/platformer..i want the player not to fall through the floor or go through walls i know how to hittest with a single object, but what i have is various objects that extend the class wall. if I hittest with wall will that also apply to the serrated_floor and portcullis classes that extend wall?
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Mar 18, 2009
I have a swf that is loaded into my main swf with the loader class. When I click a button in the main swf I want to call a function in the loaded swf Main class.
When I do a trace it is showing the loaded clip as [object Home] which is the name of the Main document class associated to the loaded swf. I have a public function in my Home.as called startAnimation() but when I try to call it I get
[quote]1061: 1061: Call to a possibly undefined method startAnimation through a reference with static type flash.display:Sprite.
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Sep 3, 2009
How to access stage elements from within a class.
buttonControls.as
Code:
package {
import flash.display.Sprite;
public class buttonControls extends Sprite {
// Navigation Hover Color
var hover = "0xF1E960";
var normal = "0xFFFFFF";
public function changeColor(object, color){
[Code] .....
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Feb 1, 2009
and I'm trying to add an event listener and a function to the class, but I keep getting errors of undefined, I tried just about everthing to be able to refference obj0
objGroup.obj0.addEventListener(MouseEvent.CLICK, onClick)
private function onClick (event:MouseEvent):void{
trace ("Click");
}
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May 7, 2010
I'm developing a Hygrometer in Flash CS4. The Hygrometer is a Movie Clip currently on the stage with 16 Movie Clips inside with instance names like segment01_mc, segment02_mc.. segment16_mc. I'm trying to make a class for the Hygrometer MC and I need to access the "segment" MC's. But I can't find a solution.
Is there any way to reference the "segment" movie clips? How can I assign instance names to the "segment" movie clips?
Here's my current Hygrometer class code:
[Code]....
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May 25, 2010
how do I reference a dynamic text field in my fla file from a class which isn't the document class? For example: I have an fla file called main.fla which contains no actionscript and has a single dynamic textfield called "text_txt" on the main timeline.
[Code]....
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Mar 17, 2011
I'm having a problem that has been really getting to me for the last 12 hours or so and I can't seem to find the answer anywhere. I know it's something simple, but I just don't know the correct syntax.
I've got a Flex Application in Flash Builder 4 with a file called "Test.mxml" which looks like this (simplified):
[Code]...
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Jan 7, 2009
I created a custom class in a .as file. I then linked this custom class with a symbol from the library in my .fla file. However, I can't reference stage.stageWidth in my custom class file. I get a null object error.
I think this happens because the custom class file is associated with a symbol on the stage and not the stage itself. For example, if I set the fla file's Document Class to the name of my custom class I can reference stage.stageWidth in the custom class. But I don't do this because I am creating multiple instances of the symbol on the stage. In order to do that properly i found I have to set the class in the properties panel of the symbol to the underlying class which then defines how each symbol behaves.
Under this type of linkage, is there a way to reference the stage width from the class? I've tried root.stage.stageWidth and parent.stage.stageWidth to no avail. I also made sure to import flash.display.* in my custom class. Below is the code for my .fla file and my .as file. In the .as file you'll see the line "x = Math.random() * stage.stageWidth;". This is the line giving me problems. I could hard code it, as I do for the y variable on the next line, but I'd prefer not to in order to keep the code flexible.
[Code]....
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Feb 14, 2009
I'm having problems referencing the stage from an external class. I've tried :
Code:
stage.addEventListener(MouseEvent.MOUSE_UP, onUp, false,0,true);
And also
Code:
MovieClip(parent).addEventListener(MouseEvent.MOUSE_DOWN, onDown, false,0,true);
But no luck. Can I not do this? I'm making a pencil class that I want to be able to reuse. I also tried "this" and while it didn't throw and error, it didn't work either.
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