Adobe Flex 3.0 For Dummies
Doug McCune
Language: English
Pages: 436
ISBN: 0470277920
Format: PDF / Kindle (mobi) / ePub
Ready to flex your Web development muscles and start building rich Internet applications? With Flex 3.0, you can create great RIAs that perform like desktop applications using Adobe Flash Player, which is already installed on more than 95 percent of Internet-connected computers. And the fun and easy way™ to get up to speed on Flex is with Adobe Flex 3.0 For Dummies.
This friendly guide shows you how Flex lets you leverage the power of Adobe’s ubiquitous Flash technology to build large applications. If you’ve written code in any language, Adobe Flex 3.0 For Dummies will get you started, introduce you to FlexBuilder and the Flex framework, and have you building some really “flashy” stuff before you know it. You’ll find out how to:
- Develop interactive applications without worrying about browser differences
- Use the Event Model
- Work with ActionScript and MXML
- Build simple user interface controls and data-driven controls
- Set up data binding
- Format and validate user data
- Create, run, and clean a project
- Explore Flex manager classes
- Work with styling and skinning Flex components
All the code used in the book is on the companion Web site to save you that much more time. Adobe Flex 3.0 For Dummies helps you become Flex-literate in a flash!
Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.
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Source➪Organize Imports. 83 84 Part II: Using Flex Builder (The Flex IDE) Import organization is available only if you’re editing a pure ActionScript file. If you’re editing an MXML file that contains an
Section, we assume that you have purchased Flex Builder Pro. If you have the trial version of Flex Builder, you can test the features of the Profiler that we discuss here during your trial period. Taking out the garbage: The Garbage Collector Before we talk about profiling memory use, you must have a basic understanding of the Garbage Collector and the impact it has on the memory use of your Flex application. As your application runs, it generates objects in memory. Every time you create a new.
Menu options, press the Z key or click the Zoom button after you have clicked on the design stage, on the Design toolbar (refer to Figure 6-3). When you enter Zoom mode, the cursor turns into a magnifying glass next to a + or – sign, depending on whether you’re zooming in or out. To zoom in, press Ctrl+= (or Ô+= on the Mac); to zoom out, press Ctrl+– (or Ô+– on the Mac). After you start using pan and zoom when working on the design stage, you can achieve greater fidelity when skinning and styling.
That if the data is XML, the labelField property expects an attribute name, which must be qualified with the @ sign. Let’s take a look at some examples to see exactly how to use the label Field property to display the correct label. In the first example, an objectbased data set is bound to a List control. You want the list to display the data contained in the name field: Employee name to be 200 pixels). The resulting code is shown here: