MACROMEDIA FLEX-GETTING STARTED WITH FLEX Manuel d'utilisateur télécharger pdf (Page 38)

Example 3-1. The Application tag

<mx:Application xmlns:mx="http://www.adobe.com

/2006/mxml"

backgroundGradientColors="[0xFFFFFF,0xAAAAAA]"

horizontalAlign="left"

verticalGap="15" horizontalGap="15" >

Next, we’ll lay out the search form in Design mode:

1. Click

the Design button to change to Design mode. Us-

ing Design mode is the easiest way to lay out a form in

Flex Builder.

2. From the Components view, drag an HBox component

from the Layout folder to the design area. Keep the de-

fault values of the component. The HBox component

contains the label, input field, and button for the form

and displays them horizontally.

NOTE

The blue lines that appear in the design area help

you position the component. When you release

the component in the design area, it snaps into

position.

3. Drag the Label component from the Controls folder to

the HBox component.

4. To change the default appearance of the Label compo-

nent, double-click the Label component and type in the

Flickr tags or terms that you want to search (see Fig-

ure 3-4).

22 | Chapter 3: Flex 101: Step by Step

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MACROMEDIA FLEX-GETTING STARTED WITH FLEX Manuel d'utilisateur Page 38