MACROMEDIA FLEX-GETTING STARTED WITH FLEX Manuale Utente Scaricare il pdf (Pagina 50)

var params:Object = new Object();

params.format = 'rss_200_enc';

params.tags = searchTerms.text;

photoService.send(params);

}

private function photoHandler(event:ResultEvent)

:void {

photoFeed = event.result.rss.channel.item as

ArrayCollection;

}

]]>

</mx:Script>

<mx:HTTPService id="photoService"

url="http://api.flickr.com/services/feeds

/photos_public.gne"

result="photoHandler(event)" />

<mx:HBox>

<mx:Label text="Flickr tags or search terms:" />

<mx:TextInput id="searchTerms" />

<mx:Button label="Search"

click="requestPhotos()" />

</mx:HBox>

<mx:TileList width="100%" height="100%"

dataProvider="{photoFeed}"

itemRenderer="FlickrThumbnail">

</mx:TileList>

</mx:Application>

The complete code for the image item rendering component is

shown in Example 3-22.

Example 3-22. The custom image rendering component

<?xml version="1.0" encoding="utf-8"?>

<mx:VBox xmlns:mx="http://www.adobe.com/2006/mxml"

width="125" height="125"

horizontalAlign="center"

paddingBottom="5" paddingLeft="5" paddingRight="5"

paddingTop="5">

<mx:Image

width="75" height="75"

source="{data.thumbnail.url}" />

<mx:Text width="100" text="{data.credit}" />

</mx:VBox>

34 | Chapter 3: Flex 101: Step by Step

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MACROMEDIA FLEX-GETTING STARTED WITH FLEX Manuale Utente Pagina 50