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Learn how to continue using Flex 3 even after the release of Flash Builder 4 and the disappearance of Flex Builder 3.
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Table of contents

Preface

General

This lesson is part of a series of tutorial lessons dedicated to programming with Adobe Flex. The main purpose of this lesson is to supplement the earlierlesson titled The Default Application Container - Flex 3 and Flex 4 with more information about the Flash Builder 4 IDE as well as information about the FlashDevelop IDE.

Adobe released a new product named Flash Builder 4 in March of 2010 and immediately removed all, or at least most of the references to Flex Builder 3 from their website. Those references that were not removed were converted to references to Flash Builder 4. For example, the link (see Resources ) that previously opened an Adobe page for free downloading of Flex Builder 3 (for educational use) now opens a page for free downloading of Flash Builder 4 for educational use.

What is Flash Builder 4?

Flash Builder 4 is an apparently upgraded version of Flex Builder 3 with a new name. Flex Builder 3 was based on Flex version 3, while Flash Builder 4 isprimarily based on Flex version 4. However, Flash Builder 4 still supports Flex 3 in addition toFlex 4.

Regardless of how you choose to get there, the objective is to create swf files that can be executed in the Flash Player. Flash Builder 4 is only one ofseveral different ways to create applications that will run in the Flash Player.

The Flex 4 SDK and Flash Player 10

In conjunction with the release of Flash Builder 4, Adobe also released a new version (version 4) of the free open-source Flex SDK and a new version (version 10) of the Flash Player.

Flex Builder 3 was based on Flex 3 and required Flash Player 9 (or later) for execution of the swf files produced by compiling a Flex application.

Flash Builder 4 is primarily based on Flex 4 and requires Flash Player 10 (or later) for execution of the resulting swf files.

Flash Builder 4 supports Flex 3

Fortunately, Flash Builder 4 still supports Flex 3 for backward compatibility. I will show you later in this tutorial how to use Flash Builder 4with Flex 3.

Should you use Flex 4?

If you are using Flex to create web applications in a professional capacity, you should probably become familiar with Flex 4. It appears to provide some features thatare not available in Flex 3.

More powerful but also more complicated

Flex 4 is more powerful than Flex 3. However, Flex 4 is also more complicated than Flex 3. In some cases, Flex 4 also appears to create much larger swf filesthan Flex 3 for solutions to the same problems. Therefore, I suspect that some developers will not make an immediate switch to Flex 4, and that Flex 3 willcontinue to be commonly used for a few more years.

Questions & Answers

Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
research.net
kanaga
sciencedirect big data base
Ernesto
Introduction about quantum dots in nanotechnology
Praveena Reply
what does nano mean?
Anassong Reply
nano basically means 10^(-9). nanometer is a unit to measure length.
Bharti
do you think it's worthwhile in the long term to study the effects and possibilities of nanotechnology on viral treatment?
Damian Reply
absolutely yes
Daniel
how to know photocatalytic properties of tio2 nanoparticles...what to do now
Akash Reply
it is a goid question and i want to know the answer as well
Maciej
characteristics of micro business
Abigail
for teaching engĺish at school how nano technology help us
Anassong
Do somebody tell me a best nano engineering book for beginners?
s. Reply
there is no specific books for beginners but there is book called principle of nanotechnology
NANO
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
s.
fullerene is a bucky ball aka Carbon 60 molecule. It was name by the architect Fuller. He design the geodesic dome. it resembles a soccer ball.
Tarell
what is the actual application of fullerenes nowadays?
Damian
That is a great question Damian. best way to answer that question is to Google it. there are hundreds of applications for buck minister fullerenes, from medical to aerospace. you can also find plenty of research papers that will give you great detail on the potential applications of fullerenes.
Tarell
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
Mostly, they use nano carbon for electronics and for materials to be strengthened.
Virgil
is Bucky paper clear?
CYNTHIA
carbon nanotubes has various application in fuel cells membrane, current research on cancer drug,and in electronics MEMS and NEMS etc
NANO
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
Harper
Do you know which machine is used to that process?
s.
how to fabricate graphene ink ?
SUYASH Reply
for screen printed electrodes ?
SUYASH
What is lattice structure?
s. Reply
of graphene you mean?
Ebrahim
or in general
Ebrahim
in general
s.
Graphene has a hexagonal structure
tahir
On having this app for quite a bit time, Haven't realised there's a chat room in it.
Cied
what is biological synthesis of nanoparticles
Sanket Reply
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