Flex :: Performance - Printing From AIR/Flex Application Causes Large Files Being Sent To Printer?
Oct 25, 2010
I am working on an Adobe AIR (2.0) application that contains a feature to allow users to print documents (such as salary slips). Those documents are originally in PDF format. Due to circumstances we cannot directly display those PDFs in the AIR application (for example using flash.html.HTMLLoader). Therefore we convert the PDFs to SWFs (using the pdf2swf tool, see The SWFs are loaded into the application using a mx.controls.SWFLoader, like so:
<mx:SWFLoader
id="salarySlipImage"
loaderContext="{someLoaderContext}"
[code].....
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Nov 16, 2011
There is a wide known issue with printing of Flash content in Firefox and Chrome browsers.So,one solution was created by "AnyCharts".But it seems not to work.I also tried to implement the latest version of the component that is now hosted and Google Code.I did exactly as the manual prescribes but it still doesn't work.AnyChart guys say on their blog page that something should be done with CSS as well ,but as you can see from the manual at Flash-Print-Fix home page ,there is no mention about CSS setup. My code works like this:
[Code]...
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Jun 28, 2010
I'm preparing to reorganize & refactory a Flash Builder application. The goals of the reorg are 1.) keep compile times for the part of the project I'm working on as fast as possible, 2.) keep the unrelated parts separate for code reuse. Goal #1 trumps goal #2 if there's a trade-off.
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Mar 29, 2011
A client needs a standard consumer color printer for printing name badges from my flash app. Last time we used the app, I couldn't do any pre-testing of their computer and printer beforehand. So, of course, the margins were completely wrong when the time came to print. Ideally, I'll have the flash app's bugs worked out for the next run, but for safety's sake does anyone know of a printer that has good controls for custom margins and offsets, in case some minor adjustments are needed?
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Oct 29, 2010
I've an AIR app which prints a couple of DataGrids with approximately 3 pages worth of data each. I get great-looking printouts, but the printing is slow - I noticed that printing these 6 pages + a title page and a page of lightweight images was sent to the printer in a file of almost 50 MB (on Windows). Is this a normal size for a printed DataGrid? Is there anything I can do to make it smaller and faster?
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Oct 13, 2010
I want to create a fairly large-scale Flex web application that has a similar interface style to Grooveshark.
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Aug 17, 2010
I have a flash application which consist of Grid Components, Button, Label, and Combo-box Components. All these components are used more than 70 times(simultaneously) with in the application. So Its takes too much of memory. So How can I test the memory usage of each component at the time of running. Is there any plug-in available for browsers to find the memory usage. I'm using flash CS3 and ActionScript 3.0. The application suppose to run in browsers.
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Jul 20, 2010
I've got a module, MyModule which requires a large library:
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Jan 11, 2011
I'm devloping some library classes for flocking/steering behaviours on large numbers of objects (2000+). I'm finding that at < 500 instances, performance is reasonable. As the numbers increase, framerate bogs down.
I've seen remarkable performance with libraries such as Flint or Box2D with ridiculous #'s of particles / objects, so it should be possible to optimize / refactor my code to be a bit better.
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Sep 8, 2009
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Nov 4, 2011
Will I take a big hit in performance using nested ViewStacks? Should I strive to handle all navigation in one ViewStack and push children manually or will the affected performance be negligible?
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Mar 19, 2012
We have a medium size Flex 3.6 application that contains around 20 different page views (managed via a single lazy ViewStack) each having multiple components. Most use custom renderers.All model data is loaded at startup and changes to model instances are communicated via binding and/or collection change events.Once the user has viewed each page at least once, all page views are instantiated and happily listen to update events.Which in effect means that each time a model instance changes, all interested views receive that event and compute derived data or trigger item-renderers.I have tested and confirmed this behaviour in a proof-of-concept application. Even when setting a list to being invisible, it still listens to collection change events and invalidates any renderer affected.What would you do?
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Aug 21, 2009
I've created a Flex application and the size of the swf file is ~900KB. My trouble is that the files are not getting cached. When I launch the application for the second time, the swf file is fetched again from the server. I'm including the swf file in a jsp, and I'm not modifying any HTTP Caching Headers. I assumed that the swf files will be cached automatically. Isn't it so? How do I forcefully cache the file? Do I need to provide anything in the MXML code or just a response.setHeader("Cache-Control","max-age=100"); is enough? Can anything be done from the flex side itself?
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Jul 6, 2011
If I try to add ~70 High Resolution Sprites to a PrintJob using addPage() in a loop, I suffer a lot of slow down and performance issues.I am thinking I should perhaps create individual print jobs for each page, or maybe batch them together.
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Oct 29, 2010
I'll ONLY recieve an "Error #3000: Illegal path name" if I try to open a file which is placed inside the app-folder of the air. If the file is somewhere else outside of the app-folder it works.
private var file:File = File.documentsDirectory;
public function download():void{
var pdfFilter:FileFilter = new FileFilter("PDF Files", "*.pdf");
[Code]....
When i try to get the same file and copy it to another place it's doing fine.
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Jan 5, 2011
Hey the think is, I need to play some swf file inside my flex 4 app, sometimes this swf file can be a Video, or just a object animated, I have a placeholder in my app which I want to play this swf file, how can I do this?
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Apr 22, 2011
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fault(mx.messaging.messages::ErrorMessage)#0
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Jan 27, 2012
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Aug 24, 2011
I am working with a very large number of legacy SWFs written in AS1 and AS2. These SWFs use loadMovieNum extensively.
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[Code]...
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Apr 12, 2011
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May 17, 2010
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Jan 12, 2012
I've programmed a Java application using BlazeDS and Flex, but i think the problem also occurs in any ajax style application. It's a monitoring application, so requests are made regularly to the server. The browser has stored a large amount of temporary internet files on the client pc even getting it saturated. How I can avoid this? I have seen some articles that say to include variables in the html header as:
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Apr 7, 2012
I'm developing an application using Flas Builder / Flex for Adobe Air. This application will be processing a large set of static text (100 - 200 MB) using a variable set of processing instructions.The target platforms will be iOS, Android and Desktop.The data set can be either one large XML file or broken into a bunch of XML files about 3MB each.This will be decided at design time.From your experience would it be better to store the text in an Adode Air database or a set of XML files for best performance (including speed and battery life)?What other considerations should I take into account?
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Apr 20, 2011
i have a AS3/FL10 based application that renders/animates/filters (blur) large PNGs (1 per view) (about 1100x900 px, roughly 2mb). Due to the fact that the fans start spinning like crazy on my notebook, i wonder if this is considered "bad practise". Unfortunately i need transparent images, so JPG is not a choice. Additionally, the PNGs are loaded dynamically, so embedding the files to the flash file (for utilizing flash jpg compression) is not a choice either.
How do you guys deal with large bitmaps in flash
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Jul 1, 2011
Let's say a movieclip inside another movieclip has a x of 9000. Is that bad? Is there a cap?
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Aug 18, 2011
I have made one one mobile application in flash builder using flex mobile project I have a question that "why size of an .ipa file is large as I export a mobile application as iOS application.???? in compare to that same application for android takes small size!
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Mar 30, 2010
In s Flex 3 app, I have canvas with a PNG image for a background. The image is the same width & height as the canvas. I also have some other controls in the canvas:
[Code]...
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