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Adobe Flex

Adobe Flex

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pache 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 and then acquired by Adobe Systems, Flex was donated by Adobe to the Apache Software Foundation in 2011.

Overview

Technologies that are commonly compared to Flex include Ajax, XUL, JavaFX, Windows Presentation Foundation, Silverlight, Curl, OpenLaszlo and HTML5.

Typical Workflow

Define an application interface using a set of pre-defined components (forms, buttons, and so on)
Arrange components into a user interface design
Use styles and themes to define the visual design
Add dynamic behavior (one part of the application interacting with another, for example)
Define and connect to data services as needed

Macromedia Flex Server 1.0 and 1.5

The operating system used by BlackBerry devices is a proprietary multitasking environment developed by RIM. The operating system is designed for use of input devices such as the track wheel, track ball, and track pad. The OS provides support for Java MIDP 1.0 and WAP 1.2. Previous versions allowed wireless synchronization with Microsoft Exchange Server email and calendar, as well as with Lotus Domino email. OS 5.0 provides a subset of MIDP 2.0, and allows complete wireless activation and synchronization with Exchange email, calendar, tasks, notes and contacts, and adds support for Novell GroupWise and Lotus Notes. The BlackBerry Curve 9360, BlackBerry Torch 9810, Bold 9900/9930, Curve 9310/9320 and Torch 9850/9860 feature the most recent BlackBerry OS 7 (as of July 2012).

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 programming language, known as Actionscript 3, reflecting the latest ECMAScript specification. The use of 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 3. Flex was the first 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. 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,[4] formerly known as 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.

Adobe Flash Builder 4.5 and Flex 4.5

May 3rd, 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 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 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.