Building Cool apps with flex

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Introduction to building cool and rich applications with Adobe Flex. A Flickr image gallery follows the presentation

Introduction to building cool and rich applications with Adobe Flex. A Flickr image gallery follows the presentation

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  • 1. Building cool web applications with Flex Presenters Joseph Khan Rasmiranjan Nayak
  • 2.
    • Joseph Khan
    • Senior Software Engineer.
    • Flash, Flex, BI
    • 2.5 yrs of experience.
    Who are we ?
    • Rasmiranjan Nayak
    • Senior Software Developer
    • Flex, Java, BI
    • 2.3 yrs of experience
  • 3.
    • Aware about Rich Internet Applications (RIA)
    • Having knowledge of Flex and Action Script .
    Who are you ?
  • 4.
    • Flex at present
    • Data binding
    • Containers
    • Skins
    • Item Renderers
    • Effects
    Synopsis
  • 5. Flex at Present
    • Builder
    • Flash builder 4.0.1
    • SDK
    • Flex 4.1 SDK
    • Language
    • Actionscript 3.0
    • Server
    • BlazeDS Server 4.0
    • Testing
    • flexUnit 4
    • FrameWorks
    • Cairngorm 2.2, Mate, Parsley 2.3.0, springActionscript, Swiz, RobotLegs, etc
  • 6. Controls The Flex framework includes a plethora of basic, and not so basic, controls for building beautiful and functional user interfaces. Image (mx.controls.Image) <mx:Image source=&quot;http://www.adobe.com/adobe-lq.png&quot; /> Button (mx.controls.Button) <mx:Button label=&quot;Push Me&quot; click=&quot;Alert.show('Button Pushed');&quot; /> Text Controls (Label, Text, TextArea, TextInput) <mx:TextInput text=&quot;TextInput Control&quot; /> DataGrid (mx.controls.DataGrid) <mx:DataGrid> <mx:columns> <mx:DataGridColumn headerText=&quot;First Name&quot; /> <mx:DataGridColumn headerText=&quot;Last Name&quot; /> </mx:columns> </mx:DataGrid>
  • 7. Containers
    • Group
    • <s:Group id=“groupContainer” width=“100%” height=“100%” />
    • DataGroup
    • <s:DataGroup id=“dataContainer” width=“100%” height=“100%” />
    • SkinnableContainer
    • <s:SkinnableContainer id=“skinnableContainer” width=“100%” height=“100%” />
    • BorderContainer
    • <s: BorderContainer id=“borderContainer” width=“100%” height=“100%” />
    • Panel
    • <s:Panel id=“panelContainer” width=“100%” height=“100%” />
  • 8. Skins What is skining ? “ Skinning is the process of changing the appearance of a component by modifying or replacing its visual elements.”
    • WHY?
    • To fulfil Client requirements
    • Make Flex not look like Flex
    • Cause it looks cool
    How ? <s:Button label=&quot;Click&quot; skinClass=&quot;assets.skins.ButtonSkin&quot;/>
  • 9. Item Renderers
    • The itemRenderer property of the DataContainer allows you to create a custom component that will be rendered for each item in the data provider that is passed to the Component.
    • The first way to create the item renderer is to use the <fx:Component> tag, as shown here: <s:List id=&quot;list&quot; dataProvider=&quot;{provider}&quot; selectedIndex=&quot;0&quot;> <s:itemRenderer> <fx:Component> <s:ItemRenderer> <s:Label text=&quot;{data}&quot;/> </s:ItemRenderer> </fx:Component> </s:itemRenderer> </s:List>
  • 10. Effects
    • The effects are nonvisual children, so they go in an fx:Declarations block.
    • The Rotate3D effect flips the panel on the y-axis.
    • The Move effect moves the panel on the x-axis.
    • The Parallel effect runs a Rotate3D and Move effect in parallel.
    • The buttons trigger the effects.
  • 11. Final Demo
    • Requirements
    • Flickr API http://www.flickr.com/services/feeds/
    • Cross domain policy files from Flickr
    • Steps:
    • Enter a search string
    • Send a request to Flickr for photo feeds
    • Flickr returns a response
    • Analyze the response
    • Display the images in Flex list control
    • For the list control we will use custom item renderer
  • 12. From Here… Developer Documentation http://www.adobe.com/devnet/flex/documentation.html Get Inspired http://flex.org/showcase http://www.flexapps.com.au/ http://www.scalenine.com/showcase/ Examples and Code http://www.adobe.com/devnet/flex/tourdeflex.html
  • 13. Any Thoughts? Reach us at [email_address] [email_address]