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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

what is variations in raman spectra for nanomaterials
Jyoti Reply
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
Damian
yes that's correct
Professor
I think
Professor
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
Rafiq
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
Damian
How we are making nano material?
LITNING Reply
what is a peer
LITNING Reply
What is meant by 'nano scale'?
LITNING Reply
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
how nano science is used for hydrophobicity
Santosh
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
Rafiq
what is differents between GO and RGO?
Mahi
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
Rafiq
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
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 did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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