By Larry Ullman

First the net was once all static content material (HTML). Then as extra used to be anticipated of web sites, server-side applied sciences like Hypertext Preprocessor turned beneficial. yet now wealthy web purposes (RIA) positioned most of the performance again within the net browser, so a server-side know-how on my own will not suffice. builders who've been doing server-side paintings for years have to expand their horizons to supply a wealthy client-side event. input easy Flex four improvement by means of bestselling writer Larry Ullman.

Flash-Flex is a strong duo for delivering a wealthy, client-side adventure. the 1st 3rd of this publication covers the basics of constructing Flex apps. the second one 3rd is ready getting, showing, validating, and sending information: in the neighborhood, remotely, and from the person. All server-side code during this publication is Hypertext Preprocessor, and this data-centric view and bigger help for personal home page is a key concentration in Flex four. The final 3rd is ready rounding out the knowledge for complete program improvement.

benefiting from what Flex four has to provide, builders can quick how one can create RIAs, a few of which engage with personal home page scripts operating at the server. Adobe has open-sourced Flex and made its SDK freely to be had, so it's changing into extra beautiful to builders preferring open-source initiatives over advertisement ones. because the writer is penning this booklet as a developer/programmer for different developers/programmers (as against a designers), there's a predominance of how-tos and real-world practices.

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Open Flash Builder, if it is not already. 2. Select File > New > Flex Project. Building Flex Applications 25 3. 24 1. Enter the project’s name. 2. Choose the project’s location. 3. Select Desktop for application type. 4. Determine which SDK you’ll use. 5. Ignore the server type for now. 4. Click Finish. There are more options if you click Next, but they won’t make much sense to you now and you can get away with the default values when you first start. 5. Create and complete the application in Flash Builder.

Creating an AIR Certificate 1. Access your computer via a command-line interface. I go through the specific operating system steps for both Windows and Mac OS X earlier in the chapter. 2. Move to an obvious directory by typing cd path/to/wherever and pressing Enter/Return. It’d be best to create the certificate somewhere that’ll be easy to find, like your desktop or your Flex 4 code directory. 3. 30 This line creates a self-signed certificate using only the required options (and I’ve italicized values you’ll likely want to change).

Keep in mind that there’s probably a reason Flash Builder isn’t showing you some options, however, so you may want to keep things simple, especially as you’re just beginning. 5). The default Standard shows the most common properties grouped by kind. You can click the second icon on the right side of the Properties view to switch to Category listing. In this mode, every available property for the given component is listed, but still grouped by kind. The third icon represents Alphabetical listing, which lists every available property for the selected component in alphabetical order.

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