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APACHE FLEX, formerly ADOBE FLEX, is a software development kit (SDK) for the development and deployment of cross-platform rich Internet applications based on the Adobe Flash platform. Initially developed by Macromedia
Macromedia
and then acquired by Adobe Systems , Adobe donated Flex to the Apache Software Foundation
Apache Software Foundation
in 2011 and it was promoted to a top-level project in December 2012.

The Flex 3 SDK was released under the open source Mozilla Public License in 2008. Consequently, Flex applications can be developed using standard Integrated development environments (IDEs), for example IntelliJ IDEA , Eclipse , the free and open source IDE FlashDevelop , as well as the proprietary Adobe Flash Builder . The latest version of the SDK is version 4.15.0. It is released under version 2 of the Apache License .

CONTENTS

* 1 Overview

* 2 Versions

* 2.1 Macromedia
Macromedia
Flex 1.0 and 1.5 * 2.2 Adobe Flex
Adobe Flex
2 * 2.3 Adobe Flex
Adobe Flex
3 * 2.4 Adobe Flash Builder and Flex 4 * 2.5 Adobe Flash Builder 4.5 and Flex 4.5 * 2.6 Adobe Flex
Adobe Flex
4.6.0 * 2.7 Apache Flex
Apache Flex
4.8.0 - incubating * 2.8 Apache Flex
Apache Flex
4.9.0 * 2.9 Apache Flex
Apache Flex
4.9.1 * 2.10 Apache Flex
Apache Flex
4.10.0 * 2.11 Apache Flex
Apache Flex
4.11.0 * 2.12 Apache Flex
Apache Flex
4.12.0 * 2.13 Apache Flex
Apache Flex
4.12.1 * 2.14 Apache Flex
Apache Flex
4.13.0 * 2.15 Apache Flex
Apache Flex
4.14.0 * 2.16 Apache Flex
Apache Flex
4.15.0

* 3 Related tools

* 3.1 LiveCycle Data Services * 3.2 BlazeDS * 3.3 Flex and ColdFusion * 3.4 Application Frameworks

* 4 Notable sites using Flex * 5 File
File
formats * 6 See also * 7 References * 8 External links

OVERVIEW

Flex uses MXML to define UI layout and other non-visual static aspects, ActionScript
ActionScript
to address dynamic aspects and as code-behind, and requires Adobe AIR
Adobe AIR
or Flash Player at runtime to run the application.

VERSIONS

MACROMEDIA FLEX 1.0 AND 1.5

Macromedia
Macromedia
targeted the enterprise application development market with its initial releases of Flex 1.0 and 1.5. The company offered the technology at a price around US$15,000 per CPU . Required for deployment, the Java EE application server compiled MXML and ActionScript
ActionScript
on-the-fly into Flash applications (binary SWF files). Each server license included 5 licenses for the Flex Builder IDE.

ADOBE FLEX 2

Adobe significantly changed the licensing model for the Flex product line with the release of Flex 2. The core Flex 2 SDK, consisting of the command-line compilers and the complete class library of user interface components and utilities, was made available as a free download. Complete Flex applications can be built and deployed with only the Flex 2 SDK, which contains no limitations or restrictions compared to the same SDK included with the Flex Builder IDE.

Adobe based the new version of Flex Builder on the open source Eclipse platform. The company released two versions of Flex Builder 2, Standard and Professional. The Professional version includes the Flex Charting Components library.

Enterprise-oriented services remain available through Flex Data Services 2. This server component provides data synchronization, data push, publish-subscribe and automated testing. Unlike Flex 1.0 and 1.5, Flex Data Services is not required for the deployment of Flex applications.

Coinciding with the release of Flex 2, Adobe introduced a new version of the ActionScript
ActionScript
programming language, known as Actionscript 3, reflecting the latest ECMAScript specification. The use of ActionScript
ActionScript
3 and Flex 2 requires version 9 or later of the Flash Player runtime. Flash Player 9 incorporated a new and more robust virtual machine for running the new ActionScript
ActionScript
3.

Flex was the first Macromedia
Macromedia
product to be re-branded under the Adobe name.

ADOBE FLEX 3

On April 26, 2007 Adobe announced their intent to release the Flex 3 SDK (which excludes the Flex Builder IDE and the LiveCycle Data Services) under the terms of the Mozilla Public License
Mozilla Public License
. Adobe released the first beta of Flex 3, codenamed Moxie, in June 2007. Major enhancements include integration with the new versions of Adobe's Creative Suite products, support for AIR (Adobe's new desktop application runtime), and the addition of profiling and refactoring tools to the Flex Builder IDE.

ADOBE FLASH BUILDER AND FLEX 4

Adobe released Flex 4.0 (code named Gumbo) on March 22, 2010. The Flex 4 development environment is called Adobe Flash Builder, formerly known as Adobe Flex
Adobe Flex
Builder.

Some themes that have been mentioned by Adobe and have been incorporated into Flex 4 are as follows:

* Design in Mind: The framework has been designed for continuous collaboration between designers and developers. * Accelerated Development: Be able to take application development from conception to reality quickly. * Horizontal Platform Improvements: Compiler performance, language enhancements, BiDirectional components, enhanced text (Flex 4 includes the new Text Layout Framework ). * Full Support for Adobe Flash Player 10 and above. * Broadening Horizons: Finding ways to make a framework lighter, supporting more deployment runtimes, runtime MXML. * Simpler skinning than the previous versions. * Integration with Adobe Flash Catalyst. * Custom templates

Flash Builder is available in two versions: Standard and Premium, the premium adds the following features;

* Testing tools * Memory and performance profilers * An automated testing harness to connect to all the leading testing tools * FlexUnit support * command-line build capability

ADOBE FLASH BUILDER 4.5 AND FLEX 4.5

May 3, 2011, Adobe shipped Flash Builder 4.5 copying Flex 4.5 (SDK Only) which delivers full support for building Flex and ActionScript applications for Google Android, as well as support for building ActionScript
ActionScript
applications for BlackBerry Tablet OS and Apple iOS. An update to Flash Builder 4.5 and Flex 4.5 adds support for building Flex applications for BlackBerry Tablet OS and Apple iOS.

Flex 4.5 SDK delivers many new components and capabilities, along with integrated support in Flash Builder 4.5 and Flash Catalyst CS 5.5. With the Adobe Flex
Adobe Flex
4.5 SDK which is governed by three main goals:

* Allow developers to use Flex for multiscreen application development * Further mature the Spark (skinning) architecture and component set which was introduced in Flex 4

ADOBE FLEX 4.6.0

In November 2011 Adobe released Flex SDK update 4.6, with the following changes:

* More Spark mobile components including: SplitViewNavigator, CalloutButton, Callout, SpinnerList, DateSpinner, and ToggleSwitch * Better performance * Updated platform support * Enhanced Tooling – Flash Builder 4.6 * Text Enhancements

APACHE FLEX 4.8.0 - INCUBATING

Jul 25, 2012, Apache Flex
Apache Flex
community releases Flex 4.8.0-incubating and it as a parity release with Adobe Flex
Adobe Flex
4.6.0. This is the first release under the incubator of the Apache Software Foundation
Apache Software Foundation
and represents the initial donation of Adobe Flex
Adobe Flex
4.6 by Adobe System Inc.

Differences and highlights include:

* Flex trademark issues are largely cleared up * Bug-tracking / issue-tracking system (JIRA) transferred from the Adobe bug tracker to Apache bug tracker * Mustela test suite is donated to Apache

APACHE FLEX 4.9.0

Jan 11, 2013, Apache Flex
Apache Flex
community releases Flex 4.9.0. This is the first release since Apache Flex
Apache Flex
became a top level project of the Apache Software Foundation.

Differences and highlights include:

* New locales for Apache Flex
Apache Flex
including Australian, British, Canadian, Greek, Switzerland (German) and Portuguese * Apache Flex
Apache Flex
SDK can be compiled for any version of the Flash Player from 10.2 to 11.5 * New PostCodeFormatter and PostCodeValidator classes for international postcode formatting and validation * New VectorList and VectorCollection classes for lists and collections of vectors * New version of the TLF (Text Layout Framework), the TLF 3.0.33 source code is now included as it is now part of the Apache Flex donation * Can use Java 7 to compile SDK (see README for instructions) * Many improvements and updates to Mustella tests * An SDK installer has also been created and is the recommended way of installing the Apache Flex
Apache Flex
SDK in an IDE * Various important bug fixes

APACHE FLEX 4.9.1

Feb 28, 2013, Apache Flex
Apache Flex
community releases Flex 4.9.1. This was a minor update to 4.9.0.

APACHE FLEX 4.10.0

Aug 6, 2013, Apache Flex
Apache Flex
community releases Flex 4.10.0.

Differences and highlights include:

* Support for latest versions of Flash Player (up to 11.8) and AIR runtimes (up to 3.8) * Improved support for older Flash Player versions (down to 10.2) * Linux
Linux
support * 15 new Spark components * Advanced telemetry support * Improved international support for dates * 480 dpi mobile skins * Over 200 bugs fixed

APACHE FLEX 4.11.0

Oct 28, 2013, Apache Flex
Apache Flex
community releases Flex 4.11.0.

Differences and highlights include:

* Support for Flash Player 11.9 and AIR runtime 3.9 * mx:AdvancedDataGrid and mx:DataGrid speed improvements * Updated OSMF to latest version * mobile datagrid component * 120 and 640 dpi mobile skins * Desktop callout component * Over 50 bugs fixed

APACHE FLEX 4.12.0

Mar 10, 2014, Apache Flex
Apache Flex
community releases Flex 4.12.0.

Differences and highlights include:

* Support for Flash Player 12.0 and 13.0 beta and AIR runtime 4.0 and 13.0 beta * Improved mobile memory usage/performance * Improved iPad and iOS7 support * mx:AdvancedDataGrid and mx:DataGrid performance improvements * New MaskedTextinput component * JSON support for ArrayCollection and ArrayList * Over 80 bugs fixed

APACHE FLEX 4.12.1

May 3, 2014, Apache Flex
Apache Flex
community releases Flex 4.12.1

Differences and highlights include:

* Support for Flash Player 13.0 and AIR runtime 13.0 * Fixed Adobe Flash Builder bug, which inserts an incorrect attribute while creating a new project that uses Apache Flex
Apache Flex
SDK * Extended mobile media query support * Over 20 bugs fixed

APACHE FLEX 4.13.0

Jul 28, 2014, Apache Flex
Apache Flex
community releases Flex 4.13.0.

Differences and highlights include:

* Support for Flash Player 14.0 and AIR runtime 14.0 * FDB supports debugging ActionScript
ActionScript
Workers * percentWidth for GridColumn * Add Chinese translations for all the installers of Flex * Over 30 bugs fixed

APACHE FLEX 4.14.0

Jan 28, 2015, Apache Flex
Apache Flex
community releases Flex 4.14.0

Differences and highlights include:

* iOS 7+ and Android 4.x+ mobile theme support * New Spark components skin: FlatSpark * Spark RichTextEditor * Native support for tables in TLF * Promises/A+ * 54 bugs fixed

APACHE FLEX 4.15.0

Jan 11, 2016, Apache Flex
Apache Flex
community release Flex 4.15.0

Differences and highlights include:

* Support for Flash Player 18, 19 and 20 * Support for AIR 18, 19, 20 * 30 reported bug fixes

RELATED TOOLS

LIVECYCLE DATA SERVICES

Main article: Flex Data Services

LiveCycle Data Services (previously called Flex Data Services) is a server-side complement to the main Flex SDK and Flash Builder IDE and is part of a family of server-based products available from Adobe. Deployed as a Java EE application, LiveCycle Data Services adds capabilities to Flex applications.

BLAZEDS

Previously available only as part of Adobe LiveCycle Data Services ES, Adobe plans to contribute the BlazeDS technologies to the community under the LGPL v3 . BlazeDS gives Adobe developers free access to the remoting and messaging technologies developed by Adobe.

Concurrent with pre-release of BlazeDS, Adobe is publishing the AMF binary data protocol specification, on which the BlazeDS remoting implementation is based, and is attempting to partner with the community to make this protocol available for major server platforms.

FLEX AND COLDFUSION

Flex 2 offers special integration with ColdFusion MX 7 . The ColdFusion MX 7.0.2 release adds updated Flash Remoting to support ActionScript
ActionScript
3, a Flex Data Services event gateway, and the Flex Data Services assembler. Flex Builder 2 also adds extensions for ColdFusion providing a set of wizards for RAD Flex development. A subset of Flex 1.5 is also embedded into ColdFusion MX 7 middleware platform, for use in the ColdFusion Flash forms feature. It is possible to use this framework to write rich Internet applications, although its intended purpose is for rich forms only.

APPLICATION FRAMEWORKS

Main article: List of Flex frameworks

There are a number of application frameworks available which help the developer solve some common tasks and set up the application structure according to best practices.

* Tide, part of the Granite Data Services platform. * Swiz * Parsley * Cairngorm * PureMVC * DropAS3 * Fabrication * Mate * RobotLegs

NOTABLE SITES USING FLEX

* SenseEarth.com Virtual cities explorer * Sherwin-Williams color visualizer * Yahoo! Messenger for the Web * BBC iPlayer desktop downloader * mint.com * ChessCube * BigBlueButton * HBO Go * CRT App - Quiz based learning system * CareCloud * VMware vSphere Web Client

FILE FORMATS

This section needs to be UPDATED. Please update this article to reflect recent events or newly available information. (March 2016)

THIS SECTION NEEDS EXPANSION. You can help by adding to it . (March 2016)

Main article: FXG

Adobe has been developing a new file format for cross-application use. It has been specifically stated that the first aim was for use with Flex.

SEE ALSO

* Free software portal

* List of rich Internet application frameworks * Comparison