Adobe Flex 2.0

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Adobe Flex 2.0

• By
• Axel Jensen

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Table of Contents

• Evolution of Computer Applications
• Advantages of Rich Internet Applications (RIA)
• Different RIA Technologies at the current moment
• Flex Builder 2.0.1
• Brief MXML Execution process.
• Examples

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Understanding RIA

• Evolution of Computer Applications
• Mainframes gt Desktop Client/Server Apps gt Web
  Applications gt Rich Internet Applications

80s 90s
Late 90s early 00s
05 -
00s
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Advantages of RIA

• Typically more user friendly.
• businessManagers()
• Making it easier for users to work with software
• Making more productive software means reducing
  labor costs, while growing sales.
• itOrganizations() endUsers()
• Break away from page-base architectures reduces
  the load on web servers and overall network
  traffic.

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RIA Technologies

• Ajax
• Asynchronous Javascript and XML
• Flash
• Originally made to run animations, flash has
  evolved over the years, and is used for all sorts
  of programming Games Fancy Animations
  Applications
• Laszlo
• Developer-friendly tools for building RIA, create
  applications to run in the flash player.
• Flex
• Uses Actionscript 3.0
• Object Oriented languages that pushes the
  capabilities of the Flash platform

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RIA Technologies (cont)

• Flash Player 9
• Focuses on improving script execution
• Uses AVM (actionscript virtual machine)
• Rebuilt from the ground up to work with
  actionscript 3.0
• Error handling has severely increased
• Flex Builder 2
• Tool to design applications specifically built
  for RIAs. Built on the Eclipse platform

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Things to cover

• Flex Builder 2
• Create a new mxml Application

Open Perspective Button
Source/Design Buttons
Run Button
Code Editor
Navigator View
Problems/Debug
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Things to cover (cont)

• Application execution
• Create a new mxml Application

MXML ActionScript SWF
Client with Flash Player
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Now for some examples

• Introduction to creating projects in flex builder
• Build a hello world App
• Using ArrayCollections and or XML to do mock ups
• Build a to do list
• Show examples