ActionScript 3.0 :: Calling Methods On Javascript Object?
Oct 27, 2010
-I know one can call javascript functions from as3 using ExternalInterface, but in all the examples I've seen the function has been a standalone function on the page. Can methods on objects (that are on the page) be called. E.g: obj.someFunc() rather than just someFunc()?
-The return value can be stored as well using ExternalInterfaces. Can this return value be a javascript object? If so, its methods be called from it directly?
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Dec 7, 2009
I have a class file named Main.as and another class called icon.as
package {
import icon;
public class main {
public var _time:String;
function main() {
[Code] .....
How do I get the current update from the main class without calling the MainObj repeatedly. Is this possible in Flash AS3, or any other alternate method for this idea.
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Feb 10, 2012
I am developing a flash application for a website I have no direct access to. The flash application is supposed to call a javascript function on the website, defined by the website publisher. I got advised to check for the existance of the javascript object before calling its' function from actionscript:
var ok:Boolean = ExternalInterface.call(function() {
return typeof customObject !== 'undefined'
}
[code]....
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Jul 7, 2009
I'm having a hard time calling a method from a particular class within a MVC design pattern. I'm successful at calling the methods from the base (Model) class but haven't been able to call methods from it's subclass (PhotoModel).
My Objective From within the Controller subclass (PhotoController) call a method from my the Model subclass (PhotoModel).
In my document class file I have the following code which connects the two classes together.
PhotoDocument.as
ActionScript Code:
public class PhotoDocument extends MovieClip
{
public var photoModel:PhotoModel;
[Code]....
I thought that defining the model class in this way would declare the PhotoModel class as the model for the PhotoController class, therefore letting me call it's methods and any inherited methods with syntax similar to this; model.method();. Using this syntax I can call the methods in the base Model class but not in the subclass where I've defined additional methods the base Model class does not have.
I've tried a billion different ways to call the methods inside the extended model class but have only a huge pile of failure to show from it.
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Jul 10, 2009
- Flash Media Server 3.5 (using ActionScript 3 for server-side code)
- Flex application (built in Flex Builder 3, using ActionScript 3)
Now, I'm trying to get the server-side ASC code to call something from a connected client. It doesn't seem to work (thought everything else works beautifully). I've tried stuff like the following in the server side:
- In the application.onConnect function, I've tried this:
...
currentClient.requestChat = function (reqID, destID){ trace("Requesting chat..."); currentClient.call("requestWaiting", new reqHandler(), reqID, destID);};
...
(Where reqHandler is just some handler that I know gets called).
- I've also tried the following code outside the onConnect function:
Client.prototype.requestChat = function (reqID, destID){ trace("Requesting chat..."); this.call("requestWaiting", new reqHandler(), reqID, destID);}
Both seem to fire appropriately (when triggered from another client). However, the "requestWaiting" method call to the clients doesn't seem to work at all. I've tried some AS 2 examples on the client side, like:
nc = new NetConnection(); nc.client = new Object();
// function for handling queueing of requests for this station nc.client.requestWaiting = function (reqID:String, destID:String):void { trace("HELLO"); // check to make sure this is the right location, and if so, queue it if (destID == "WhateverTheIDIs") { chatQueue.push(reqID); btnChatWaiting.visible = true; } // if }
...but that doesn't seem to fire at all. I know the Flex has "sealed" the NetConnection class itself, so I can't just "extend" it as I do the "client" property.I've als tried some more AS 3-oriented stuff, like trying to make the "client" property reference a separate class that handles callbacks, but that doesn't work easily for me as I need access to properties in the class that contains the NetConnection.
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Dec 13, 2010
Seems like sometimes when Selenium should call a certain method, it instead calls another, as pointed out by the following log
[Code]...
I've tried both Selenium server 1.0.3 and the 2.0 alpha 7 versions, they both display this behaviour. FlashSelenium is involved so I'm not sure where along the way lies the bug. Furthermore it's hard to reproduce as it doesn't happen only for some methods, and doesn't always happen.
I've tried searching for issues similar to these but couldn't find any remotely similar... Anyone experienced the same behavior? And if so, is there a fix for it? Edit: I doubt FlashSelenium is at fault for this, as the log tells that the command arrives correctly at the server... But I can't seem to be able to follow the path of execution from the moment the Selenium server gets the command and passes over to the browser, to the moment where it gets the response.
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Aug 18, 2011
I just went through a slideshow from Grant Skinner on improving performance of ActionScript. One tip he gave was written as, "Call methods directly instead of through a reference." I don't quite understand what this means.Does is mean to avoid making a function call to a variable referencing a function object?[code]Or do avoid making a function call to a variable referencing another object, which possesses that method?[code]
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Dec 14, 2009
Hypothetically, I have a movieclip menu that's created using a class menu.as at runtime. When I instantiate that class on the stage of the main swf, how would I go about telling that stage what to do on a specific click? For instance, if I click button1 on the menu, how do I tell the stage to turn random_object's alpha down to 0?
Important note - buttons in the menu class are loaded dynamically, and there is no way (that I know of) of binding them specifically to event listeners on the main swf stage as in "menu.button1.addEventListener(...)". To summarize my question - how do I control the main stage from within a movieclip, without assigning eventListeners on that main stage?
I have managed to make it work using this method: Inside the class, I add an event listener to each button. On CLICK, the button calls e.currentTarget.root.desiredFunction() where desiredFunction is the function on the main swf stage I want to run. Is there a more efficient or clean way of doing this that anyone knows of?
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Jan 31, 2010
I've got a class (say ButtonBase) that extends MovieClip. ButtonBase has a method that names it ((this.)name = 'bb1') and adds it to the MainTimeline. Now I can see my extended ButtonBase MC on the MainTimeline. And if from a frame I write trace(this['bb1']), it returns an instance. The problem is that the instance is not recognized as an instance of ButtonBase. Suppose ButtonBase has another method, say testMethod(). Well, if I trace(this['bb1'].testMethod) from a frame on the mainTimeline, it returns undefined. If I trace(this['bb1'] is ButtonBase), > false I can attach a fla if you need it.
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Feb 29, 2012
let suppose i have a object named "data" which has a callBack function named "closeItem" which does something. So i have flash file which has a close button. on click of that i am calling this function which closes this item. So issue is? If i pass this "closeItemFunction" as global function this works fine. but if a pass this function as a "data.closeItem" this doesn;t work throwing some falsh error. so i just wanna ask that "does flash only call gobal scoped javascript function" ??
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Nov 22, 2010
How do I write my class so it passes all of its functions/methods to the calling movieclip? For example, the following code imports my graphics class and creates a square:
ActionScript Code:
import sprites.vectorGraphics;
var vGX = new vectorGraphics();
var newSquare = vGX.createVector(this, 'square', 'rectangle', 20, 20, 0xff0000, 1, 0x0000ff, true);
That I'd like to be able to do is this:
ActionScript Code:
import sprites.vectorGraphics;
var newSquare = createVector(this, 'square', 'rectangle', 20, 20, 0xff0000, 1, 0x0000ff, true);
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Sep 1, 2009
How to call a javascript method from flash ?? am having a simple javascript code ie
<script type="text/javascript">
function helloWorld() {
alert('Hello World');
}
</script>
Now how to call the method helloWorld() from flash ??
Similarly how to call a php method also ?? am having the php code as,
<html>
<body>
<?php
[Code].....
now i want to call writeName() from flash ?? how to achieve these things from flash ?
Wats the code i have to write in flash cs3 ?
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Jul 20, 2011
I am creating an object pool to cache some recyclable objects in memory at the outset of my application in order to avoid (as much as possible) the performance issues caused by GC running; if possible I'd like to minimize the memory my object pool reserves, so I'm attempting to pool generic forms of the objects (with no methods) and then casting the generic variants to more specific and complex object types which extend the generic form when I actually want them on the stage.
The trouble is that to do this requires the generic variant class to import/extend MovieClip (because the more complicated objects are themselves MovieClips and make use of DisplayObject methods)-- does simply importing and/or extending a class add to the memory an object takes up when instantiated even if it never uses methods from the inherited class? It makes sense that it would, and some light profiling seems to suggest that it does, but I'm not 100% certain. About how large should an 'empty' MovieClip instance be in bytes?
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Jun 6, 2010
I have a flash application using callbacks to javascript functions (eg. when it receives some data over a socket, it'll call a js script which would change the content of a div according to that given data).
Afaik, there is no actual mutual exclusion in javascript so I'm not sure if I can/need to simulate something like :
[code]...
So, the question is, when are those callbacks called ? Are they simply queued to be executed right after the browser finishes its task or are they triggered randomly ?
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Feb 5, 2011
I don't work with Flash and consequently know nothing of it, but I have the task of embedding a swf film into a web page. I know nothing about the swf's internal design, other than it plays a short film. I'd like to control when the swf starts playing, rewind it (it will be played infinitely), and possibly even cache it in the browser. It will be part of a Javascript-powered rotation of images, in which the <img> element will be temporarily replaced with an <object> for the swf.
My question is do swf files have an interface for Javascript built-in when compiled (Actionscript I think?), or would this entirely depend on the author's decision to include such code? If it is dependent on the author's inclusion of the code, are there any possible tests I can run to see what methods might be available?
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Mar 16, 2010
I am talking about doing something like this: [URL]
from flash by using ExternalInterface probably
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Jul 8, 2010
I am refactoring some code. I have a PHP page that contains a MySQL query and stores the result in a PHP variable $my_result. This result is then echoed to a Flash SWF during embedding with SWFObject. I now want to call this PHP page that makes the query from a javascript function like so - one change I have made to the PHP is that instead of storing the result in a variable $my_result I am echoing the result. Javascript function to call the PHP page and make the database query
[Code]....
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Jun 16, 2003
I'm working on a Flash MX application which involves a Parent movie and a Child movie.
I've loaded the Child movie into the Parent movie using LoadMovie. The instance name of the Child movie is Child1.
In the Child movie I have a user-defined function called getChildXML (we don't need to get into more details about the function).
The point here is that I want to call the getChildXML function from the Parent movie. I've tried something like Child1.getChildXML(); but with no luck.
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Mar 22, 2010
I'm recording and playing back mic input using Flash Media Server, and even though it's just audio, we're saving the output as FLV. I'd like to get a waveform of the recorded audio. Ideally, since we already have a lot of saved/recorded audio, I'd like something that can take a loaded FLV and get the waveform, as opposed to generating it at record or playback time.
AS3 has the new Sound.extract() method that can be used for this (plenty of online tutorials), but it seems like it only works for MP3. Is there a way to use this method on FLV audio? Or is there another to extract a waveform from a FLV?
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Sep 30, 2010
How do I get the list of all methods from an object? I know I can get the object class in this way:
var className:String = flash.utils.getQualifiedClassName( myObject );
var objClass:Class = flash.utils.getDefinitionByName( className ) as Class;
In JavaScript I can iterate over the prototype of an object to get its properties and methods. Is that possible in ActionScript 3? Do you any good source for metaprogramming/reflection over ActionScript 3?
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Nov 17, 2011
So I am writing a program which uses Dictionary to store objects. For example
var dictionary:Dictionary=new Dictionary();
var myObject = new myObject(var1, var2, var3);
dicionary["key"]=myObject;
where var1, var2, and var3 are simply means of assigning values to variables in myObject.can I access values or functions that are found in myObject? In myObject class I have some getters and setters. Can I use a getter to get the value of var1 for example.
dictionary["keys"].getVar1()?
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May 20, 2011
Here's the challenge: I have a Flash movie which will be embedded in a page using an unknown DOM ID that I want to be able to identify/store for callback in a JS function. My ideal user flow would be: User clicks button in Flash. Flash pauses any animations / video / sounds / etc. Flash calls an injected JS function to display a page-covering overlay experience. When user closes overlay experience, a callback method on the Flash object is called. Flash resumes playback.
The problem is, when AS3 uses the ExternalInterface.call("functionName", args...) method, there doesn't seem to be a DOM event triggered, and thus it is impossible to tell which object called a JS function, so having a "registerMe()" function doesn't seem to work. Basically, the injected JS function has no way to determine which DOM object to call, because the ID of the Flash object is unknown.
[Code]...
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Jun 18, 2011
I insert my swf using a relative url to the file, and I want the swf to call a javafunction but i get no response. why the swf is not in the same directory as the html file.
my as:
function checkInput() {
var result:Object = ExternalInterface.call("checkTheInput");
myTxt.text = String(result);
}
[Code]....
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Sep 12, 2011
I am writing a library in ActionScript 3 which needs to call functions in JavaScript. Since it's a library, there is no AIR, and thus HTMLLoader can't load an HTML containing the JavaScript.
how to call JavaScript which is not in an HTML window?
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Mar 10, 2012
Just started using wordpress for my site after years of standard HTML and hit a problemwith an old Flash file I've usedfor 10 years.So I have a flash 6 swf file living in my media directory at URL...and the swf file wants to call a JavaScript function on my HTML page living at URL...Now on my old non-wordpress web site I just put the html and swf file in the same directory and this call always worked javascript:top.fSendForm()But now the swf file is in another location I don't know how to reference my JavaScript function.
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Sep 28, 2009
I have a Javascript API, which should be usable with GWT and Flex. Using the FABridge it is really easy to call Javascript methods from AS3 and vice versa. But when I try to register a callback to an AS3 method in my Javascript API I get stuck. Here is a short code sample:
[Code]...
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Mar 14, 2010
I have a swf hosted at domain A, and I have a html at domain B My swf is able to be loaded from accessing the html at domain B. However, the swf gets a SecurityError: Error #2060: Security sandbox violation:
[Code]...
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Feb 1, 2011
I need to create a really basic flash video (actionscript 2) where I click on a bit of text which will call a javascript function. I have created a flash video which has a bit of text I converted to a button symbol. I then opened the "Actions" tab and added:
[Code]...
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May 14, 2011
So my team's project has an swf embedded in JavaScript, we're actually using java servlet's to create the html/JavaScript. I am attempting to use as3's ExternalInterface to add a callback which would get called in the javascript but everything I have tried will not work.[code]so if there is a missing tag or something that's probably not my problem. NOTE I embed this correctly and get into the swf allowing it to call javascript functions(as3 calls the getStuff fn), using the ExternalInterface, which works but JS->as3 does NOT work ='I cant use the movie object for anything (the return value of getFlashMovie), if I try to use no code after works.The action script code calls the external interface addCallback function correctly(called in a try catch that's how I know)[code]The only things I can think of;
1) The embed code isnt creating the object correctly, since I cant use the movie for anything
2) my swf is being created weird and doesnt allow script access.We are using FlashBuilder to build the swf.
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Mar 27, 2009
I'm trying to call a function declared with ExternalInterface in a Flash swf, using JavaScript.It worked once, but all of a sudden, it stopped working.I have a debug version of the Flash Player, but no errors occur in Flash.Not even a "Security Sandbox Error" or something. The only error I get is the following error in JavaScript Error: Error in Actionscript. Use a try/catch block to find error.I'm using AS3, exporting for Flash Player 10 and testing on Firefox 3/Safari 4, on a Mac.
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