Actionscript 3 :: AIR SDK: Performance Of SWF Compiled Into IOS Native App
Apr 6, 2012
It's a great thing that it's possible to compile an SWF into iOS native app. I think AIR is now the best option to write e.g. small games or interactive books. Of cause AIR app will be slowler than the same app written on e.g. objective C. The question is how slower AIR app will be. Can simple AIR apps be launched e.g.on iPhone 3G or iPAd 1?
And another question is, can arbitrary flash app be compiled into iOS native app?
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Oct 20, 2010
I was trying to get a ballpark idea of how much slower Flash is at pure pixel-pushing 2D graphics than doing the same thing in SDL or other native library. For instance if I have a Flash/Flex app on a modern PC which each frame does a 2D loop and directly reads/sets every pixel, what equivalent PC would give the same performance for a native C++ app? Maybe a classic Pentium, a PII, PIII?
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Apr 3, 2011
I compiled a simple AS3 project using Flex 3.5 (also tried Flex 4.1) to create a small swf which draws a simple red square on screen. Nothing too complex that requires special flashplayer support (see code below)
package
{
import flash.display.Sprite;
/**
[Code]....
and tried to load it into a AS2 swf I have compiled using Flash CS4. But that just didn't work. I don't get any errors when loading and the AS2 swf can load any swf, either compiled in AS2 or AS3 by Flash.
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Oct 30, 2010
I am working on a feature for an application that requires Flex 4 functionality. Due to some migration issues of the application from Flex 3.5 to 4.0, I have decided to implement this feature as a module that is compiled with Flex 4.0. The theory is that the application would remain compiled in Flex 3.5 and load the module when it needs it.[code]
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Sep 12, 2011
this is what i'm trying to accomplish; With a click on a movieclip (cannon_mc)a shot is being fired (ball_mc)
The longer mouse is down, the speed of wich the ball is fired with should increase.My question to you is;
What is the most efficient way to accomplish this? With a timer or something like this;
[Code]...
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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.
I'm aware of the basic optimizations, such as bitwise operations and optimized for loops. Are there any more fundamental approaches I should be considering? For example, currently each instance is a vector-based MovieClip. Would working with BitmapData be more efficient?
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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?
eg.
<viewstack>
<tabnavigator />
<tabnavigator />
<tabnavigator />
</viewstack>
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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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Nov 24, 2008
im wondering how this code is interpretet/run by flash as3.Lets say i have a for loop:
for ( var i:Number = 0; i < 12; i++)
{
runStep1();
[code].....
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Jul 20, 2009
I have had this problem a few times lately. When I try to update & publish files that I created in the same version of Flash CS3 and previously published fine, the "Exporting Flash Movie" bar comes up, but no movie compiles. When I go to look for the swf in the Finder (Mac OS 10.5.7), it has mysteriously disappeared, and only the .FLA remains.
It doesn't happen with ALL files I publish, only some -- so I know the SWF preview should come up automatically. I normally work off of a shared network drive, but the same thing happens on my local machine. Has this happened to anyone else?? Is there a cache I need to clear or something?
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Mar 19, 2010
Is there a simple way for me to add this to an already compiled swf?
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Jun 21, 2009
I would just want to know if someone know what it's about and how to work around in on XP 64-bit.I've got my ActionScript-program to work on all the different computers I could find and with all versions of IE with IETester. However the guy I was doing it for kept getting a problem when he was uploading files. My upload file-part looks almost exactly like the final example in the FileReference Adobe livedocs:URL...I'm pretty sure he got a HTTPStatusEvent that stopped uploading, though I didn't have a warning for that but I had for the different errors and the rest are just signaling when it's canceled, done, and the progress. HTTPStatusEvent is the only one I'm not entirely sure what it's doing so I think that's the one. Though Googling that didn't solve my problem.Anyway I found some machines with Windows XP 32-bit and seemed to get his problem when using Internet Explorer, though Mozilla was always fine (the guy with the problem was only using IE). I tried shutting down firewalls and changing the settings in IE without any difference so I installed Adobe Flash on one of the computers with Windows XP 32-bit, compiled and uploaded the new swf-file and it works on Windows XP 32-bit. Also on Vista 32-bit it always works with both IE and Mozilla.
These computers with 32-bit and 64-bit XP are several hours with bus apart so I can't do any quick tests (like printing a warning for the HTTPStatusEvent compiled on XP 64-bit, sorry). I Googled for problems with 32-bit and 64-bit XP but I couldn't find anything, with ActionScript 3 that is. It was the common hysteria that 32-bit programs don't work on 64-bit systems that made me re-compile my program, but this was the opposite.Does it seem likely this was even the problem? Have anyone ever had a similar problem? This might also be more of a Adobe Flash-problem, but everything except the FileReference part works.
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Aug 8, 2009
I've been messing around with SWF Decompiler's latest and found that my Flex3 project's main MXML file is found verbatim in the SWF (in addition to the compiled class). How can I make sure this is not included?
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Jun 7, 2010
I have found a bug in flash CS5, I was wondering if anyone else had this? This bug occurs in Flash CS5 when creating compiled clips which use the 3D rotation tool. It appears that if you attempt to convert a symbol which contains a 3D transformation to a compiled clip it will not work correctly. What makes this problem worse is that the error is not reported correctly and so it is nearly impossible to debug.
[Code]...
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Aug 30, 2010
I am building a swc [MY.swc] component with compc. It is suppose to contain base functionality for MY.swfI need to include another (third party) swc [OTHER.swc] into my own swc. This other swc has a reference to mx.core.mx_internal and I suspect that it is this reference that in the end, when I compile MY.swf, results in that all mx classes (mx.*) and all spark classes (spark.*) is included in MY.swf (seen when decompiling)The difference in size between MY.swf with/without OTHER.swc is ~180kB.The only difference (when decompiling) MY.swc with/without OTHER.swc is that the first has a reference to mx.core.mx_internal
Here is the compc part from my ANT task:
<compc output="MY.swc">
<include-sources dir="${project.root}/${SRC_ROOT}" includes="*" />
[code].....
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Nov 16, 2010
Im using Flash Builder 4 on the Mac and I have a worrisome problem: The compiler is sometimes not detecting my code changes.For example I might write some code, compile and run, then add some logging statements, but they will not print. After a clean compile everything runs as expected.I cannot see a pattern to the exclusion of changes. I'm wondering if anyone else is having the same problem?
Details:
Flash Bulider 4 Pure AS3 project targetting Flex3.5 SDK Max OS X Snow Leopard My code does not use semicolons to terminate statements
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Jun 23, 2011
Can I really do that with the phone? Perhaps I would have to call any of the native API's, but I am not really sure whether and what is possible. I am pretty sure that the camera is accessible, so at the worst case I could send the picture to the server, decode the QR code on the server, and get the results on the phone, right ?
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Jul 24, 2011
I just noticed my size report includes the following:
ActionScript Bytes Location
------------------ --------
294323 ActionScript 3.0 Classes
This seems like a lot for what is essentially byte code. I'm not using any images. I have vector art in there but it's mostly straight line geometric stuff, no complicated wiggly art or anything. I'm not using any Components.My entire codebase comes in at 167k of Actionscript. So how can I be using 294k of byte code?
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Nov 26, 2011
I have a Flash Professional CS5 project with ActionScript 3. I have a movieclip object with several gotoAndPlay ActionScript commands inside of it. I also have other gotoAndPlay commands on the main stage, linked to interactive events.
When I run the project via Ctrl+Enter, it works perfectly, without any issues. However, once I compile it down to a .swf or an Air 3.0 file, it runs, but omits some or all of the gotoAndPlay commands, both the ones inside of and outside of the stage.
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Mar 30, 2012
I have the most weirdest problem with Flash Player and FlashDevelop (to be honest, dont know which one causes it), so let me explain. I have recently downloaded FlashDevelop and created an AS3 Project. When I compile the project, the files are generated in the bin folder. Now, when I navigate to the bin folder and open the index.html in Firefox and IE9, everything works fine. However, when I copy the bin folder somewhere else and then try to do the same, i can see the flash movie in Firefox but not IE9.
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Jun 6, 2010
I'm using Flash cs3. I have an as3 file next to my fla file which contains all the specific actionscript for that file. Then, through the source path in the fla's "Publish" settings I am pointing to an external folder with all the other necessary classes.When I press control + enter to compile the file it works fine. But when I try to see the published file embedded in a webpage on another computer, the swf won't display in either chrome or firefox. It will display in IE though. If I copy all the actionscript files into the same folder as the swf, the swf will display in all browsers. Is there no way to have the script in external as files to compile into the published swf file?
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Jun 15, 2010
I can bind in an AS3 project fine--just import the classes and it works as it does in Flex. Not so with a fla. The first binding works, but not after. I'm assuming this is because the compiler is not mxmlc and does not write code when it reads the bindable metadata tags, so no property change events are fired when a value changes. So, no real binding.
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May 23, 2011
Ive been working for about 4 weeks on a little flash app which uses sockets (not xml sockets) to connect to [URL]. When i was building the code it succefully connected many times to the server (veryfied through network traffic viewing) without using loadPolicyFile method. However when i compile and run the sfw it generates no network traffic,
I've now tried adding Security.loadPolicyFile("ht tp://www.youtube.com/crossdomain.xml"); which does not even generate network traffic when i preview the movie hitting Ctrl + Intro in the compiler. So i ask, does this method really work?, whats wrong with it?
I was considering the fact that the internal flash player of the compiler allows internet connections but the Shockwave Flash plugin (10.2.159.1) does not, at least not the way im trying to.
To be considered:
- Builded in Flash CS3 Professional.
- sfw was loaded in an local html file and run by Mozilla Firefox 4.0.1.
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Oct 16, 2011
I just found out that it is executed like a normal variable at runtime. Typically constants are supposed to be 'inlined'........ so when you write this:
ActionScript Code:
const SPEED:int = 5;
o.x += SPEED;
...you should get this in the SWF:
ActionScript Code:
o.x += 5;
...but when I decompile my SWF I get this:
ActionScript Code:
const SPEED:int = 5;
o.x += SPEED;
Is there a way to force the Flex compiler to inline constants in AS3?
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Feb 7, 2007
I have an actionscript-only project in Flex2 and I would like to set width and height of the compiled swf.
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Aug 7, 2008
I have a client, that wants all assets compiled into a single swf. The piece uses an XML file. I am still fighting with them about it but I kinda want to know how long it would take if they simply won't back down. would I have to build the arrays by hand or is their an easier way?
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Jan 13, 2009
I'm having an annoying issue... I have some simple static text in a simple swf, but when I test the movie, the line spacing becomes much less than it looks like it should be on the stage. Here's a screenshot - the left one is the stage, the right one is the compiled swf:
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Mar 30, 2009
Does anyone know why a dynamic text box does not appear when a file is compiled?
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May 28, 2009
There is the way to reproduce my problem : Create a clip and associate it with a class. In this class define an inspectable propertie with a default value. Convert the clip to a component using component definition dialog box (just associate the right class and click ok). Now if you drag the clip on the scene, the inspectable propertie should be available in the component inspector with its default value. Convert the clip in the library to a compiled clip and move it to a new fla document library to avoid the identical-link-identifier warning. Drag the compiled clip on the scene and you should have access to the inspectable propertie via the component inspector with its default value.
This where is my problem : If you specify a value equals to the default value specified in the class (which is the default value specified in the component inspector by the way), you'll notice (by adding a trace in the propertie's setter for example) that not a single line of code is processed in the setter. Specify a different value and it will be ok. I'm using Flash CS4 if it can be useful.
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Nov 24, 2009
I have a movieclip created in CS4. I export that into my Flex Project's /lib and then try to access the text. All the textfields have ids, embedded text, and show up in intellisense. But when i run the project, the textfield is blank. What is going on?It appears to only not work when the text is embedded. Non embedded text works fine.
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