4. Styling

Every visual component in the Flex framework has a default appearance, including colors, shape, font, and more. Although this default look, called the Halo theme, looks nice as a default, a custom look can help your application stand out among other Flex applications. The Flex framework allows you to customize the look of components using special properties called styles. Styles can define things like colors, fonts, and other visual characteristics, which makes styling one of the most powerful mechanisms in Flex, but also one of the most complex mechanisms. Mastering styling is key to creating expressive Flex and AIR applications.

Using styling you can easily change the appearance of your application. Each Flex component has its own ...

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