ActionScript 3.0 :: Asynchronous Image Loading?
Mar 11, 2011
As my first Flash project of any consequence, I've created a simple banner animation that (basically) loops over a few different images, panning and fading in/out by setting the x,y coordinates, setChildIndex, and alpha. This was easy enough to code with an ENTER_FRAME event handler and a few state variables.Here are the most relevant snippets:
// Main
// XXX - Putting addEventListener() first would
// make some sense, but I would still have
[code].....
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Feb 19, 2012
I have typical situation where big loop is loading lots of images and its done asynchronous which make browser to frees during loading and I want to make it synchronous but having big trouble doing it. I found this class synchronous loader and it work great but you cant add mouse event listener to loader. Here is sample code:
[Code]...
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Aug 4, 2010
I need to write an application to asynchronously upload a file to a server.
Anyone have any examples or tips as to how I can do this?
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Jan 12, 2010
what is synchronous and asynchronous call in flex. Why Httpservice is asynchronous and how to make a call to asynchronous call.
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Mar 22, 2010
sample for asynchronous file upload using flex filereference object
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Apr 14, 2010
How can we get data from the server in an asynchronous way in Flash? I am looking for something like XHR in actionscript.
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Dec 21, 2010
I want to build a simple web 2.0 collaborative website using asp.net MVC2 or Flash and I want to receive events from a web based interface to a desktop AIR application. For e.g, someone makes a comment on a blog post, I want that information to be passed on to a desktop air application showing that a new comment has been made. What would be a good technique to receive asynchronous events?
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Jul 11, 2011
I have a piece of code in my game which looks a lot like this: MultiplayerAPI.createGameRoom(function(){ successFunction(new Object()); }); Basically, the createGameRoom is performed and, upon success, the function I passed is run. However I've been running into some strange bugs recently and I'm wondering, is the instance of "new Object();" the same each time the callback function is run? It needs to be a different, fresh instance of Object each time, but I'm having some garbage collection issues which make me think it's passing the same object each time that event callback is fired,
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Jan 12, 2012
I have a simple accessor in my class:
public function get loggedIn():Boolean
{
var loggedIn:Boolean = somePrivateMethodToCheckStatus();
return loggedIn;
}
The API I'm now working with checks login status in an asynchronous fashion:
API_Class.addEventListener(API_Class.LOGIN_STATUS,onStatusCheck);
API_Class.checkLoginStatus();
[Code]....
Is there a way I can perform this asynchronous request without exiting my accessor?
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Aug 27, 2008
Is there a way to have a synchronous call to a URL to retrieve the HTML code? If not, is it possible to turn an asynchronous call into a synchronous one using some trick? I can't believe Adobe wouldn't implement this option. I tried looping until the result is back but then the status function never fires making my loop infinite.
ranting.turn("ON");
I'm a ColdFusion developer and recently started working on a project in Flex. I am getting more and more frustrated with AS and Flex lately. It seems that whatever I'm trying to do is either really hard or impossible while it usually can be done with one line of code in ColdFusion. I'm still learning these languages and I'm sure my lack of knowledge is the reason but for some reason I can't get ahead with my project. It looks like the learning curve is much steeper than it should be.
ranting.turn("OFF");
Anyways, here's my code for testing this functionality. The main application file looks like this:
Code:
<?xml version="1.0" encoding="utf-8"?>
<mx:WindowedApplication xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" applicationComplete="init()">
<mx:Script>
[code]....
This works OK except the function returns false before the HTTP call returns its result. If I un-comment the while loop the onStatus function will never be called and therefore end up with an infinite loop. Not sure why this happens.
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Feb 1, 2010
If I have one parent class that instantiates 5-10 different child classes, each of which need to load multiple assets etc, how can I check within that parent class to make sure all of the 5-10 children are loaded & ready to go before telling the program to continue?
The tricky part is that the exact number of those 5-10 classes that are instantiated is determined at runtime, so I can never be certain which I should be waiting on and which not to be waiting on. And just to be clear, these are different modules of sorts, not multiple instances of the same exact class.
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Oct 15, 2010
I'm currently able to record audio and video (from a webcam) to a Flash Media Server. However, in some cases users have a webcam with no builtin
microphone. In that case the flash client uses the default microphone with 'Microphone.getMicrophone();' and possibly selects the micrphone of the PC.
A delay between audio and video is caused in cases with a separated webcam and microphone. There isn't a lot of delay on an internal network (e.g. LAN) however, there is a very large delay between audio and video on an external network (e.g. WAN).
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Dec 21, 2009
I have created a client with Flex Builder which works in a browser but also in an Air windowed application. I must connect it to a server and it has to do asynchronous request related to changing data of the server.Because of the too much expensive cost of LiveCycleDS license, I was looking for other ways, maybe open source and i found the following solutions:
Adobe BlazeDS
Granite Data Services
WebORB Community Edition
I want to ask you which is the easy way to create the solution described above, expecially i want to use J2EE application server type.
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Aug 28, 2010
I'm developing a Flex application and am having some trouble working with asynchronous calls. This is what I would like to be able do:
[Bindable] var fooTypes : ArrayCollection();
for each (var fooType : FooType in getFooTypes()) {
fooType.fooCount = getFooCountForType(fooType);[code]....
The issue I'm running into is that both getFooTypes and getFooCountForType are asynchronous calls to a web service. I understand how to populate fooTypes by setting a Responder and using ResultEvent, but how can I call another service using the result?
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Oct 8, 2010
I have a recursive call which includes an asyn operation (file copy) .. I want to find out when the recursive call finishes (along with all asyn operations).
private function copyInto(directoryToCopy:File, locationCopyingTo:File):void
{
var directory:Array = directoryToCopy.getDirectoryListing();
[Code]....
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Jan 26, 2011
This may be a very basic question but I cannot work it out now. I have a 'flash banner' on my site for which once clicked on you go to another page on the site. I want to track this click as an event. HTML event tracking works fine. Previously the code I used was:
[Code]....
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Mar 28, 2011
I have a flash site that calls a JavaScript function to track events inside of the application, the _gaq is already implemented in the section of the html and it works perfectly fine with one account:
function customTracker(clickEventName)
{
_gaq.push (["_trackPageview", clickEventName]);
}
but now my customer wants to include special events from 3rd party companies and needs these to track into a different GA account. Before I try this out on the live server I wanted to ask if this would work:
function customTracker(clickEventName)
{
_gaq.push(["_setAccount", "UA-XXXXXXXXX-X"]); // the regular account
_gaq.push (["_trackPageview", clickEventName]);
[code]...
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Sep 8, 2011
I am writing test cases to test function with flexunit 4. I am using aysnc method.
But when I add two or more asyncHandlers to the instance. I meet the problem: Error: Asynchronous Event Received out of Order.
Code snippets:
[Test(order=1, async, description="synchronize content on line")]
public function testSynchronizeContentOnline():void
{
var passThroughData:Object = new Object();
[Code].....
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Mar 23, 2011
I am loading images of different size and then images are scaled and border is drawn for each image as shown in below link,[URL]... I want that border of images to be of the same width and height and for that I need to find out the max width and height size image before loading all the images. Is there any way that I can know the width and height of an image before loading it completely?
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Dec 6, 2010
In Flex, I'm making a set of asynchronous calls:
service.method1.send().addResponder(responder1);
service.method2.send().addResponder(responder2);
service.method3.send().addResponder(responder3);
I want to execute some code after all of these service calls have returned (either success or failure, I don't care which). How can I do this?
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Jan 15, 2012
I want to download a file in flex. Here is my desired flow User clicks "view" Code goes to backend and get the file as an array of bytes bytes sent from java to flex via a callback flex then opens dialog and user decides where to save the file Unfortunately the last part is not on a user event but on the callback from the server. When I call new FileReference().save(...) it tells me this. An alternative could be
User clicks "view" Flex shows user the dialog and user chooses where to save file Flex goes to backend requesting bytes of file bytes sent to flex and data is saved. For this approach I am unsure how I can make the save asynchronous from the dialog. I want the user to save a file but the data but come from an array of bytes from the backend
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Aug 17, 2009
I developing a site where on the homepage, there are about 6 images that rotate, but if you click on a sub link, a different image loads. But the problem is that, the first image has to cycle through before the second image loads. I want the second image to load immediately.
[Code]....
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Mar 22, 2011
[code]This script is for a loader image gallery in flash, as part of a class assignment. What happens is that in flash, when I open the swf file, the initial image (images/nair_evanescentautumn.png) will load fine. However, clicking on any thumbnail image (including the exact same images/nair_evanescentautumn.png), will result in an error saying the file cannot be found.I cannot figure out why it is doing this... I've tested it over. Clicking each thumbnail does go to the correct position in the two separate functions. All said full-size image links are in the folder images/, and replacing the initial loader image will load the other images in place of the default one. However, clicking on any thumbnail still results in URL not found, even though everything works correctly.[code]Before anyone asks why I'm putting this kind of content into a flash site, I'm not--this is only for a class assignment. I'm just trying to figure out why my images aren't loading right when I'm only doing the exact same thing in the functions as I am on the other pages.Of note, commissions.swf has the exact same feature, just with swf files loaded instead, and it works perfectly fine. home, traditional, digital, and photography all have the image gallery, and all have the same issue (I only referenced one page because if I can fix one page I should be able to fix all of them).As for the artworks, they are all my fiance's. The website design was built for her, and I used the website design for this project because I didn't want to have to build an entirely new interface design. Since the project also required a gallery, I felt that this interface would work just fine.
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Mar 2, 2005
I tried searching for an answer to this on the forums and it seems you can't duplicate a movieclip that has a dynamically loaded jpg in it, I mean you just get a duplicate empty movieclip?What I want to do is have 3 copies of a pic, each tinted a little differently, and have them converge and reveal the "composite" of this pic. Do I then have to use loadMovie 3 times?Does loading the same 50kb image at the same time mean you're actually loading 150kb?
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May 21, 2008
i was creating my portfolio using xml gallery script from this site. the thing is that it loads one picture at a the with a preloader between each load. is there a way to load the first image and keep loading the rest so there will be only one loading time? here is my action script:
[Code]....
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Jan 13, 2009
Is it possible to capture the image loading event like when the image is fully loaded and such when it is assigned to the htmlText of the textFiel???
I have a scrollPane that contains a textField which is loading an image via img tag where there is no scrollbars initially because the textField is not large enough in the beginning, but it is larger than the scrollPane after the image is fully loaded.. and I am trying to update the scrollPane once the image is fully loaded..
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Feb 23, 2010
I need to create a gallery to load images and display them. This part is fine:
/**
* @variable image_name to store the name of the selected item
*/
private function showimage(evt:Event):void
[Code].....
where imgMain is the id the image component.
But, I need a small twist. A transition image i.e. loading image should be displayed while the the image is being loaded.
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Oct 20, 2009
I'm loading a .png image with loadMovie() and I need to center the image (for later dragging). I know flash has some issues with loading stuff, but I really need to get the movieclip's width. If someone knows how to get over this and get the movieclip's width
This is a part of a more complex app, so that's why I won't paste any code.
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Mar 22, 2011
I made 1 image gallery. and i am facing a big issue. When one image is loading in my Loader object. If i click on next image button. It starts loading another image without canceling the existing image. So mutliple images appear at stage in this case. I want something that stops loading older image and start loading new image.
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Feb 20, 2011
I have a database (phpMyAdmin 2.6.0-beta2 ) which holds information which i want to display in a flash form so i'm using an XML file to bridge the gap. After building the application in FLASH and running it the text from the database comes through but no the images. Details of what i'm trying to do are as follows: The XML file
[Code]....
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