Javascript :: ExternalInterface Call Crashes The Browser?
Jan 20, 2011
In Actionscript 3, I make a call to Javascript using:
ExternalInterface.call('javascriptFunction');
If in Javascript, there's an error or a blocking call, the entire browser will freeze. I can't use Firebug in Firefox to debug it because the act of stepping through the callback also crashes the browser. How do I go about debugging this?
[Code]...
I'm on an HP desktop with Windows 7, Firefox 5.0, IE9, and Chrome 12.0.742.122. Either alert call will randomly cause Firefox to freeze...it actually usually happens in bunches, where it'll freeze for a few times continuously (obviously restarting Firefox each time)..and then stop for a few hours and be alright.It has yet to crash IE9 or Chrome, though I haven't tested it as extensively with Chrome. Using the Firefox console doesn't help since Firefox just crashes all together. If anyone could shed some light on that, that'd be great!
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Sep 14, 2011
I've written an html page that is using some javascript to hide and display a flash movie object. It all works fine until I try to exit from the tab, and when that happens the entire browser will crash with not so much as an error text box.
Flash Code
if(ExternalInterface.available)
ExternalInterface.call('hideTimeline');
Javascript code
function showTimelineFirstPlay()
{
var timeline = document.createElement('span');
[Code].....
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Jun 28, 2011
i have some actionscript that makes a
ExternalInterface.call('someFunction');
call.is it possible to reference the html object that made the call to someFunction directly using the ExternalInterface.call call?
Assume that the object that makes the call also has some Callbacks (via ExternalInterface.addCallback) that are accessible via javascript.
Currently:
Actionscript source
ExternalInterface.call("someFunction");
ExternalInterface.addCallback("someCallback",someASfunction);
[code]....
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Jun 22, 2009
I'm trying to use ExternalInterface.Call to call a JavaScript function to launch a lightbox window. So far I have this:
AS3:
flash.external.ExternalInterface.call("launchLB", "" + aUrl + "");
JavaScript:
function launchLB(url) {
alert(url);
[Code]....
I get the alert but I can't get the lightbox window to display. When my as code makes the ExternalInterface call I get what looks like a page refresh and a blank browser window.
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Feb 10, 2011
I have a function defined in JavaScript like so:
function fadeBack() {
alert("fadeBack called");
};
I call that function from my Flash file like so:
import flash.external.*;
flash.external.ExternalInterface.call("fadeBack");
This works in both Safari and Chrome, but for some reason Firefox won't ever call the function. Still, I can't figure this out. How can I fix it?
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Sep 29, 2008
I'm trying to call a javascript function from a flash movie. I'm using IE.
This one works:
AS3: ExternalInterface.call("test();");
Javascript:
function test()
[Code].....
...it says "undefined" insted of alert(666)...it seems that if i use a field in the function it simply stops working. (I'm accessing the page [URL]
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Aug 11, 2010
<script type="text/javascript" src="swfobject/swfobject.js"></script>
<script language="javascript" >
swfobject.registerObject("myId", "10.0.0");
function execute(){
return a;
}
[Code] .....
I have this which is based off of this question: [URL]. However this neither works in firefox and IE. If I embed my flash into the browser like this:
<embed src="helpdeskApp_three.swf" id="flash" quality="high" scale="exactfit" width="800" height="500" name="movie" align="middle" allowscriptaccess="always" type="application/x-shockwave-flash" pluginspage="[URL]"/>
This works in Firefox but not IE. What is the proper way of embedding my flash movie so it works across all browsers?
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Dec 7, 2010
I can't call a javascript function from flash, when the flash object is added within an OOP structure in javascript. In short the code:
In flash:
if (ExternalInterface.available) {
ExternalInterface.call("flashMessages", "ready");
}
[Code]....
Flash gets loaded, but the call to the javascript function isn't received.
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Jun 1, 2011
I'm trying to call a function in an action script using the ExternalInterface.addCallback API, but I can't seem to get it to work. Here's what I have:
ActionScript:
//MyClass.as
package {
import flash.display.Sprite;[code]....
The Error I'm getting is: Uncaught TypeError: Object #<HTMLObjectElement> has no method 'getStringJS'
I also tried adding in a timeout in case the swf file wasn't loading, but I didn't have any success with that method either.
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Sep 15, 2011
On my page, I'm going to embed multiple Flash files that use ExternalInterface to communicate back to the page. When the page receives the ExternalInterface calls, is there any built-in way to determine which swf the call came from?
I don't mind giving each movie a guid FlashVar and attaching that to each ExternalInterface call, but I don't want to duplicate more tested functionality.
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Jul 11, 2008
I'm trying to use ExternalInterface.call() to access a function from an outside domain that I have linked in my html page. Is there anyway to do this?
Code:
<script type="text/javascript">
var flashvars = {};
[code]......
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Oct 22, 2010
I'm trying to assign the current URL in the browser to a variable in AS3 (CS3).URl...I have tried the following code Actionscript Code: import flash.external.*;var currentURL:String = String(ExternalInterface.call("window.location.href.toString"));trace(currentURL);I export the file (html & SWF) and try it locally and I have [code]I get no compile errors but I do get the security warning from my Flash player 10 in IE8 saying it stopped due to a potentially unsafe operation etc etc.
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Sep 15, 2011
using ExternalInterface to call JavaSript function on other html site. (because most of the examples show only how to use it within the same domain).
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Feb 17, 2010
I'm calling a JS function with ExternalInterface.call and trying to get a return value inside Flash. When I trace out the op variable I get 0 instead of 500. Is there something wrong with my embed code?[code]
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Mar 26, 2010
I want to be able to call a JavaScript function from a Flex app using ExternalInterface and pass a reference to a different JavaScript function as an argument.
[Code]....
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Nov 6, 2010
I can open a new window using window.open() in ExternalInterface.call() but then I want to be able to write contents to the new window. Since, I cannot get the reference of the window back from window.open() call, I am not able to do anything to the window once it is opened.
I do not have any control over the HTML in which my swf is displayed.
Has anyone been in this situation before?
Update: After a few hours of trial and error I found you can get out of this situation by storing your window reference globally and referring to the same global reference whenever you need to access the new window.
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Jan 21, 2010
I am working on my open source project Downloadify, and up until now it simply handles returning Strings in response to ExternalInterface.call commands.
I am trying to put together a test case using JSZip and Downloadify together, the end result being that a Zip file is created dynamically in the browser, then saved to the disk using FileReference.save. However, this is my problem:
The JSZip library can return either a base64 encoded string of the Zip, or the raw byte string. The problem is, if I return that byte string in response to the ExternalInterface.call command, I get this error:
Error #1085: The element type "string" must be terminated by the matching end-tag "</string>"
ActionScript 3:
var theData:* = ExternalInterface.call('Downloadify.getTextForSave',queue_name);
Where queue_name is just a string used to identify the correct instance in JS.
JavaScript:
var zip = new JSZip();
zip.add("test.txt", "Hello world!
");
var content = zip.generate(true);
return content;
If I instead return a normal string instead of the byte string, the call works correctly.I would like to avoid using base64 as I would have to include a base64 decoder in my swf which will increase its size.
Finally: I am not looking for a AS3 Zip generator. It is imperative to my project to have that part run in JavaScript
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Feb 2, 2010
Can a SWF file, viewed locally in a folder on my PC, make a call to a function in a JavaScript file?I am facing a project where the technical architect is prescribing that all content exist in an all-in-one, giant JavaScript file. With my usual external content experience working with XML, I have always been able to load in XML into the SWF directly (for example, while viewing the SWF in the Flash authoring environment - a very speedy way to view your SWF), as well as when the SWF is actually viewed in the website. However, with the JavaScript approach, my only experience tells me that the SWF has to be embedded in HTML before it has access to the JS functions.
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Jun 11, 2009
We build a flash application in ActionScrip 3 which provides JS external interface calls. We load another swf on our swf. If we don't enable external swf, any JS calls through external interface works fine. However, if external swf is active, at some points when there is any JS calls through external interface, Flash player plugin crashes which also bring down the whole browser, I see that on IE and FF.
what may cause external interface call to crash Flash plugin?
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Nov 4, 2010
I need to get a javascript var in my Flash application. I like to be able to just set a variable in the javascript (client constraints) rather than define a function.
Can this be done? I am trying to use the ExternalInterface.call()
AS:
ExternalInterface.call("function(){return window.someVar}", null);
JS:
var someVar = "Test";
This does not work and I suspect it is because the ExternalInterface.call() does not like the anonymous function.
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Feb 10, 2011
We have been given some code that does a URLRequest call which is really slow to respond, so I was looking to make it pull the data from the page, as it is already on the page.[code]I have tried to replace it with this (actionscript is definitely not my forte):[code]I am using addCallBack as that is what the editor suggested via autocomplete, unfortunately it doesn't seem to work. Unfortunately I cannot go back to the developer at this time.The error message is:Call to a possibly undefined method addCallback through a reference with static type flash.external:ExternalInterface
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Oct 21, 2010
I've got an animated banner for my site which I've grown quite attached to. It's a scene of the sky with the Title of my site on it and there are clouds that move constantly across it.Now the tricky part and part that I think might be freezing up the browser (firefox) is that the background changes depending on your computers time.So if you visit my site and the time is past 6:00PM, the day background will change to night.It's not an instant change though. You actually have to refresh to get it to change. Anyway, if I let the site/banner sit in my browser as either the active tab or the non-active tab for at least 10 minutes, the whole browser will freeze up. The only way to stop it from freezing up is to close it and restart it.I don't know what I did wrong, but I was hoping you guys could tell me. The file size is not that big (262kb). The images were converted from .jpg to vector, so I can't see why it'd be too graphic intensive. Basically I'd just like to be able to run it at the current resolution and quality, but not have it crash people's browsers.
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Oct 13, 2011
I need a nudge in the right direction for a theory of a solution to the below problem.
Desired Result:
Current existing structure: FLEX RIA that communicates with MySQl DB via PHP.
We basically, have a RIA that is part of a software solution we provide to our customers, we want to restrict login sessions to one/username, which we did successfully by setting a value in our MySQL DB...the point of this was to restrict the use of username(s) to one application access point and create the ability for us to charge for additional usernames, if so desired by our customer.
Problem:
Although, we successfully restricted user logins to one session, we ran into a problem when the RIA connection with the DB was inadequately terminated (eg., browser crash, OS crash, flash player error, etc). When these crashes happenned the value that was set in the DB for the user, showing them logged in, would persist and thusly lock them out of our software application. We would have to go into the database and manually reset their logged in status.
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Feb 18, 2009
My swf is occasionally crashing the browser (or just crashing the plugin as chrome tells me).
How do I diagnose the bug? I am developing for flash player 9 using flex. The bug lies somewhere in my as3 code.
Things I have tried: Turned on log files so I can see trace("...") output. However, my log files, and my swf, are ending at inconsistent termination points. Install the debug version of the flash player Tried different browsers (today I am on vista, and can reproduce the bug on four browsers).
I am hoping there is a [legible] stack trace from the plugin.
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Oct 10, 2009
I have been working on DirectShow source filters. The flash10c.ocx routine that is invoked when you click on any "Featured Highlight" on http://www.ustream.tv can abort and takes ANY browser with it under certain conditions.
After days of work, I have finally narrowed this down to the camera enumeration function(s) in flash10c.ocx. Before beginning this quest, I had no idea that the flash player was enumerating cameras on user's machines.
If you right click on a window playing flash video, and select "Settings" then click on the camera symbol, you will see a drop-down window listing all Direct-Show Source Filters that are on your machine. I have several.
[Code]...
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Feb 21, 2010
I am having an issues with ExternalInterface.call to return a value in IE. It is working fine in Firefox. Eventhough I changed the "allowscript access" to "always", still it is not working. Is there any thing that I need to change in Flex or the HTML to make this work? or this is a security setting in IE?
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Nov 20, 2011
I'm wondering if you guys know a way to log every data coming to a flash 8 swf from its container?
I know that it is a bit weird, but I'm trying to figure this one out. Maybe one of you already faced a similar situation?
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Nov 5, 2010
I am trying to use the ExternalInterface.call function in my ActionScript(2.0) to get a javascript var value set in the wrapping document. The following seems to work in FireFox and in Chrome but, naturally, it does not work in IE(8). getting the value stored at this variable?
var linkPath = ExternalInterface.call("function(){return window.customLinkLocation;}", null);
[Code].....
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Feb 6, 2012
I am having problems with External interface and IE9. The swf objects play fine but none of the information input is transferred to the cookies that should be set. I have seen that there are other questions similar to this but have not been able to solve my problem using them. THis is the html we are using
<div id="flashcentre">
<object type="application/x-shockwave-flash"data="http://workingflashlink" width="600" height="450">
[Code].....
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Apr 14, 2010
We are experiences a phenomena that flash clients connecting to a live (pre recoreded)stream served from FMS (we use 3.5.2), have their buffer grow out of proportionit is alsoccompanied mostly with a complete video freeze, until the browser crashes.(you can expect a crash after having more then 4000 seconds of video buffer active in memory)The more we switch streams via a playlist,the more this seems to happen,Thus, streaming long video feeds keeps the system stable, but when injectingfeeds into a main stream and switching back increases the probability
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