What is Flex?

I just want to know what Flex is. Can someone please
translate this for me? Speak to me like I'm your mother.
"The presentation-tier solution for delivering enterprise
Rich Internet Applications. The Flex product line delivers a
standards-based programming methodology and runtime services for
developing and deploying the presentation tier of applications that
combine the richness of the desktop with the reach of the web: Rich
Internet Applications."
Talk to me.

I think you'd better to take a look at Flex videos examples.
It would make things clear for you after one look. Flex is a
technology that offers you a way to create RIAs (I'm so sorry if
you don't know what is it) really fast. The main feature is that
GUI and several more things are set up with XML based language
instead of hard hand-coding.

Similar Messages

What Does Flex Installer Check in Eclipse DIR?

I'm using EasyEclipse which is bundled eclipse package and
Flex installer isn't recognizing it even though the directory
structure and file names are the same. it is using 3.1.2 Eclipse
SDK.
So what is flex looking for whenever it installs into an
eclipse folder? The 'plugins' folder and 'features' folder is
there. The file size of eclipse.exe is the same as a traditional
eclipse install. This is the error:
Eclipse 3.1 Not Found
Please choose an existing Eclipse 3.1 (or greater) folder to
be updated.
This folder must contain the standard Eclipse folders named
"plugins" and "features".

I just spent 2 hours on a chat with them... Turns out... He says I have High Speed Internet, I say I have High Speed Internet Enhanced He tells me I should be happy with my speed test, I tell him I should be receiving what I am paying for and it is beneath the 3.1 Mbps to 7.0 Mbps I am paying for. He says the repair service cannot see my account stuff only billing. I insist I am paying for High Speed Enhanced. 2 hours in I am told that Repair is arguing with Billing over what service I have. I tell him Billing will win. He finally calls me direct, and am told to close the chat. I am told I am correct all along and will receive credit to my account for them not giving me the proper speed for years of service I paid for and did not receive. -------- I could not understand half of what he was saying to me. He says he will not e-mail me any information. I have no clue his name because try as I might I could not understand him. He says it will resolve in a few days and they will contact me. This is service? I should now take the word of a company that has underserved me for years, from a guy on the other side of the world who cannot be understood and who is unitelligible over the phone, that won't send me any of the information via e-mail and had me intentionally close the chat session that they will properly resolve this issue.

What is flex appilcation error in VC?

hi,
please iam facing a problem in VC while deploying my application,the error is *Error in compiling Flex application (1). Consult log file for details*so please frds help me out of this problem
Thanks
KISHORE.

Hi Kishore,
I agree with Parth, you have opened several threads for the same issue. Please discuss a issue in one thread.
Back to your problem, you have to enable the log and also check the VC Wiki.
[https://wiki.sdn.sap.com/wiki/display/VC/ErrorinCompilingFlexApplication|https://wiki.sdn.sap.com/wiki/display/VC/ErrorinCompilingFlexApplication]
[https://wiki.sdn.sap.com/wiki/display/VC/EnableLog|https://wiki.sdn.sap.com/wiki/display/VC/EnableLog]
[https://wiki.sdn.sap.com/wiki/display/VC/EnablingFlexerrormessagesinVisualComposer|https://wiki.sdn.sap.com/wiki/display/VC/EnablingFlexerrormessagesinVisualComposer]
Best Regards,
Marcel

I've never seen flex for sell.. how do I obtain a copy of it and whats the difference between it and flash?

Hey;
I've heard great stuff about flex but I've never seen it for sale. I've read that it is better for real time programs than flash. I don't know if thats true or not. What does flex offer that flash doesn't and how is the flex language better than the flash language? Or am I totally confused and is flex like an addon to flash??? any guidance would be really appreciated. I'm working on something Object oriented that needs to be in real time so I'm looking for the best program that offers that.

I'm pretty new at all thsi stuff too, and all these terms killed me for my first few weeks in this arena, but I've got my feet under me now.
Flex is an opensource SDK provided by Adobe (previously Macromedia). It used to be something they sold, but they opensourced it, Hoorah!!
Flash is the set of APIs that start with flash.*, and you can fully create flash animations with just the standard flash APIs.
Flex comes with a ton of very useful components, features, and functionalities that are built on top of flash. You should definitely download and get familiar with flex.
The flex api's start with mx.*
Flex also provides the ability to compile MXML documents into flash. MXML documents make it very easy to build Flash, full with animations, customizations, etc. in an HTML-like format. Take a look at the component explorer link below and you'll see the MXML generated for the example components. You can copy and paste that MXML (simple looking stuff eh?) and get a working app that you can expand on and play with as you learn.
Here are a few helpful links to get you moving in the right direction:
An interactive list of GUI components available in Flex (Flex isn't limited to just GUI components, but this is a nice place to whet your appetite):
http://examples.adobe.com/flex3/componentexplorer/explorer.html
http://examples.adobe.com/flex3/consulting/styleexplorer/Flex3StyleExplorer.html
A good list of Flex links:
http://seantheflexguy.com/blog/2009/02/27/how-do-i-learn-flex/
The documentation available from Adobe is second to none:
http://www.adobe.com/devnet/flex/quickstart.html
http://livedocs.adobe.com/flex/3/html/help.html?content=Part2_DevApps_1.html

How to use Google weather API in flex?

Hi there,
I have 2 services.
ServiceONE : http://api.locationservice.com/city/key=123abc
ServiceTWO: http://www.google.co.in/ig/api?weather='anyCityName'
I am using HTTPService for both. Firstly I fetch result which gives me city name, by sending ServiceONE. And then, I am assigning this city name to SericeTWO and sending it, which gives me weather details about that city.
I am hosting my applicaition on some server, http://www.somethirdpartyserver.com/myaccount/myflexstuff/MyWeatherApplication.html
Since it tries to access http://api.locationservice.com/city/key=123abc and http://www.google.co.in/ig/api?weather='anyCityName', I would need to have crossdomain.xml in them.
Fortunately I could find http://api.locationservice.com/crossdomain.xml, which has:
<?xml version="1.0" ?>
<!DOCTYPE cross-domain-policy (View Source for full doctype...)>
- <cross-domain-policy>
<site-control permitted-cross-domain-policies="all" />
<allow-access-from domain="*" secure="true" />
<allow-http-request-headers-from domain="*" headers="*" secure="true" />
</cross-domain-policy>
Which mean, any server can access it.
But unfortunately, I couldnot find something similar in http://www.google.co.in/crossdomain.xml. Though xml is there, the code is different:
<?xml version="1.0" ?>
<!DOCTYPE cross-domain-policy (View Source for full doctype...)>
- <cross-domain-policy>
<site-control permitted-cross-domain-policies="by-content-type" />
</cross-domain-policy>
It doesn't allow any access to any domain.....
I've already developed the weather gadget in flex but I cant host it for use anywhere, because of this security issue
Can anyone kindly help me how can this be resolved?>?
-Deepak

@ PaulH
Yes, after few more searches I came across php proxy solution. I should have checked about availablity of crossdomain file in the root of the api, which I didn't and started off with the development.
For now I'll use this php proxy and use Google weather api. And yes, as you said, it's not official. Can get changed\removed, which will surely affect my code.
Thanks for http://www.worldweatheronline.com/, may be I'll try to implement it with this api soon and make my app completely stable!
Came across another great api for weather which too has crossdomain! http://www.wunderground.com
I've uploaded the widget right here: http://deepflex.blogspot.com/2011/03/weather-widget.html
@alexsliced
Adobe Flex is a software development kit (SDK) released by Adobe Systems for the development and deployment of cross-platform rich Internet applications based on the Adobe Flash platform. Flex applications can be written using Adobe Flash Builder or by using the freely available Flex compiler from Adobe.
You can find more about it here:
http://flex.org/what-is-flex
http://en.wikipedia.org/wiki/Adobe_Flex

How to expose Hibernate 'non' conventional beans into flex apps via remoting

I am relatively new to the flex world. I am from the
Spring/Hibernate world.
In Hibernate, the POJO object or domain object , or simply
beans that you use to persist you object into the database does not
have to follow the bean definition/contract, i.e: public default
constructor with getter/setters. There are good reasons behind
creating those kind of 'hibernate beans' (I will call them that way
for lack of a better name). In fact, only defining a one-parameter
constructor (i.e. omitting the default one) guaranties you that
your client cannot invoke your API without that needed parameter.
Likewise, exposing only the getters for some private member
variables (without the setters) make sense when you don't want that
variable to ever change, etc....hibernate can do all that using
cglib, etc....
Now, my understanding of Flex and how remote services work
(from what I could see in all the samples around about
hibernate/spring), is that your java server bean get proxied
'dynamically' or 'statically' if I wish into an Actionscript class
object according to the rule: "values found in public bean
properties with get/set methods and public variables ", therefore
my public getVariable() from my 'hibernate' bean does not get sent
back.
This is creating me tons of problems, because the server API
already exist and we already have a JSF implementation using
it....Changing into flex is just my own initiative to prove that we
can get better UI...
What is flex/BlazeDS solution for fixing this case?
One solution that comes to mind (not very bright, but should
work) is to build a plain java bean object for each of these
'hibernate' beans to ensure the translation on both side between
the 'hibernate bean' and the 'expected' bean from flex. From the
server to the client, It would to copy the content of the hibernate
bean and return those 'proper' beans back to flex. On the way out
(from the client to the server), it would have to recreate the bean
as exposed on the server before sending it to the server).... It's
probably not the best solution, especially considering that
eventually as some point, I will need to define another set of
those object, in flex, using actionscript (I think these are what
you guys call VOs) in order to do strong typing in
flex........becomes very tough to manage!
Any input would be valuable.
Thank you,

Hi Saket,
By 'not really complete' I'm assuming (hoping) that some work has been done on this already. Our project requires the use of custom assets, so it's very important that we get this functionality running as soon as possible.
Any help, unsupported or otherwise, would be great. Feel free to email me any details if you'd prefer not to post anything public on the boards.
Cheers,
Kristian

PHP errors in flex

I have an application in PHP and I'm using Flex for the
front. I was wondering how I could transfer information about
errors to flex from php.
So, the questions I am asking are:
What does Flex's HTTPService consider a fault?
Is there a way to write a general wrapper function to manage
httpservices? I tried but flex won't allow me to assign a function
call to the event listener, only a function.

Probably HTTP error codes. You can use the same function in
multiple HTTPServices. If you don't care which one of the
HTTPService thru the error, just use the same function when you
declare the faulthandler for the HTTPService.

About Flex

Hi Guys,
Anyone explain me, what is Flex and how it is in useful in Project management?
Regards
sa2398

Hi Bala,
Adobe Flex is not similar to Java Webdynpro. You can get more information from the Adobe Webpage and also a trial version. Adobe Flex is part of Visual Composer Compiler capabilities. At SAP TechEd in Munich was an interessting demo of rendering webdynpro with Flex during the Demo Jam. For more information you can download the Demo Jam Video <a href="http://www.sapteched.com/emea/activities/videos/DemoJam.wmv">here.</a>
Best Regards,
Marcel

Best way to bounce Flexed Multitracked Drums?

Hi there,
I know there's a few things on here about this, but I'm wondering if there has been a quicker/better solution found?
Most of the time, once I've flexed and quantised my multitrack drums, I bounce each one out separately, by hitting the 'mono' button on the Stereo Out, then hitting 'bounce'. Each track is, of course, soloed at the time.
However, this is not always accurate, as I have found just now when it gave me a completely different fill to what I flexed!
Is there a quicker way than sending each track out to a separate bus and recording them down manually?
This seems long winded and there must be a better way?!

if you want to record the sounds that your drum kit makes, as audio, you can get the audio interface (however, all you really need is an audio cable).
if you want to play GB's (or any third party) drums, get the MIDI interface. MIDI gives you some advantages, like being able to edit each note, if you wish. plus there are many drum kits you can install and then play with your hardware.

Create game with Flex?

Hi all
this might be a stupid question, but me really not well
understand what Flex was, and what the Flex purpose.
me have download the trial version of flex, and found it seem
more focus on coding and exclude the drawing things which similar
to Flash.
my question : is it possible to create Flash game with Flex ?
what could be done in Flash is it possible to done in Flex
too?
thanks

hi,
With flex you need to envoke the filereference function save. Because of the security sandbox you can not programmatically save files or create folders, you need to open a windows file browse box then the user can create a folder or save a file.
private function testme():void
var fi:FileReference = new FileReference();
fi.save("hello"); <=== this would open a system file save dialogbox
David.

Flex best practices

Im new to Flex but I have plenty of experience using traditional webdev technologies (HTML, CSS, JS/AJAX, PHP). I know that when you build a web app using these technologies, it's considered best practice to use event listeners rather than event handlers in JS, and to place all your JS in an external file and reference it in your HTML page. I've been watching several videos on Lynda.com on Flash Builder 4 and Flex, and in all the videos, the author places most of the Actionscript in the MXML file while referencing a few custom Actionscript classes. With that said, what do Flex developers typically do?

In Flex 3, it is considered best practice to use the Presentation Model pattern (as advocated by Martin Fowler), where you extract the view states and view logic.
A PM is a simple ActionScript class that extends EventDispatcher (for Data Binding purposes).
[Bindable]
public class SalesProjectionPM extends EventDispatcher {
     // Collection of QuarterlySales objects
     public class quarterlySales:ArrayCollection;
     // Event handler
     public function viewSwitchHandler(event:MouseEvent):void {}
You can then inject this PM into an MXML view using an IoC container framework and bind your view to the corresponding PM for both your components dataProviders and events. If you have a central data model, you can inject it into your PM and bind to it.
In Flex 4, you already have the separation of view and logic that comes with the new Spark Architecture. You have an ActionScript component that contains the view states and view logic (including event handlers) on the one side. And you have a MXML skin that materializes the UI on the other.
You add/remove event handlers in the partAdded(), partRemoved() overriden methods. If you have a central data model, you can inject it into your ActionScript components.

Help with Flex - PHP - and SQL Server

Good afternoon,
I have been working on this problem for over a week and am at
my wit's end. I am trying to create an application that will allow
me and my fellow statisticians to share code easily. The
technologies at my disposal are Flex, PHP and SQL Server 2005. The
web server is IIS. I have downloaded and installed the PHP driver
for SQL Server 2005 and am able to query the database and generate
XML. The problem I'm having is that I can't return the XML from PHP
to Flex.
If I execute the php code in a web browser and view the
source, it looks like XML. I can then cut and paste the exact same
code into an xml file and read it in from the harddisk and the tree
will populate. Can anyone please help me? I don't have flex builder
so I it's hard for me to use trace and view what is going on.
Thanks in advance,
Eric Graves

Thanks for the suggestion. I have tried every permutation of
e4x path notation I can think of. You're right, you're not supposed
to need the root level as that's supposed to be returned in the
result. So you should only need to reference first level after the
root. When I do this and launch the .SWF I get a completely empty
tree.
I think the problem lies somewhere in my understanding of
what format Flex needs returned from a HTTPRequest. It's my
understanding that it just needs to be XML. As far as I can tell,
that's what I'm sending it. On the PHP side, does it have to be
cast a special way? Everything I've seen just shows people using
ECHO to output the XML data.

Why use Flex over Flash 8

I would like to know what makes Flex more useful than Flash
8? Is Flex basically replacing the Flash SDK? I looked into Flex a
little bit and it looks like it has an awesome integration of Flash
and XML. I was also wondering if Flex integrates other development
technologies with Flash, such as PHP.
Currently I am working for a gaming company and would like to
get Flex pretty soon.
-Thanks in Advance :)
Flash Development at
Vectorflash.net

i think it is not "more useful" but both got different
strength.
flash is for animation, presentation, interactive website
& etc but flex is more to web application.

Flex eg, show flex or flex-attach

Greetings,
Is there an idiots guide to what flex related commands mean to me? Perhaps my searching abilities are not the best but I would like to read someting in plain English what the flex related commands achieve. Mostly, this information needs to go to our architecture people.
I am trying to put switches into our HP C Class enclosures and our server ops people think that HP Virtual Connect is a better option. I feel as though the flex commands offer the same ease of replacement of Blades (or generally dude Mezzanine cards that mean replacement WWN's in my case) and much better capabilities.
Has anyone done a comparison on this?
Stephen

G'day Stephen,
I'm not sure if you have seen "http://www.cisco.com/en/US/docs/storage/san_switches/mds9000/sw/rel_3_x/configuration/guides/cli_3_4_x/flexattach.html"?
As far as a comparison at all I don't really have one and most places I've worked at were not to keen on it as lots of datacentre tasks were outsourced and physical security could not be not be "guaranteed" and some of the contractors had very bad habits of plugging the wrong cable in :\
Hope all is well!
Andrew

Incresing script Time Limit in Adobe Flex Builder 2.0

Hi All,
Using a Adobe Flex Builder I am creating an application which
has lot of complex recursive sorting algorithms that take
comparitively more time and hence the overall time required to
complete the excecution of function goes beyond 60 secods after 60
secods Flash player throws an error message and terminates the
script excecution.Is there any way to increase scriptTimeLimit more
than 60 Secods.Currently I am adding scriptTimeLimit parameter in
Applicatio tag so that I am able to run my function for 60
seconds...
<mx:Application xmlns:mx="
http://www.adobe.com/2006/mxml"
layout="absolute" creationComplete="DoSomething()"
scriptTimeLimit="60">
Is there any way to increase tis limit to say 10 minutes?

You will not be happy to hear this, but no. As of flash
Player 8, 60 seconds is the maximum.
I have a client who is frozen at FP7 because of this stupid,
arrogant decision. I have filed enhancement requests on this to no
avail.
People will blather on about how longer times result in a
"bad experience" for the user, but this is again arrogant for them
to believe they have any clue what MY application does and what
users will accept.
What if Flex Builder bombed out any time a compile took
longer than 60 seconds? What kind of "experience" would that be?
Because of this idiotic limitation, I am going to have to
move my recursive processing to the server. But this will take
about 6 weeks, and I have yet to find the "spare" time, or to find
someone to pay for it.
Grrrr.
Sorry to be the bearer of bad news.
Tracy

What is Flex?

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