Flex 3, 4 and 4.5 Components and Containers?

In Flex 4; Adobe introduced a new architecture for building components. This architecture was designed to help make skinning and styling easier. It introduced a two class architecture, separating the business logic from the display logic The page you link to is really comparing the MX/Halo architecture components with the Spark architecture components.

More info on the architecture differences It is important to keep in mind that the MX/Halo architecture did not go away. It still exists in Flex 4 and can be used in conjunction with Spark components I would have sworn there was an explicit table somewhere in the docs talking about component differences between spark and Halo, but I can't find it. The best I can recommend to you is to read through this section of the documentation.

In Flex 4; Adobe introduced a new architecture for building components. This architecture was designed to help make skinning and styling easier. It introduced a two class architecture, separating the business logic from the display logic.

The page you link to is really comparing the MX/Halo architecture components with the Spark architecture components. More info on the architecture differences. It is important to keep in mind that the MX/Halo architecture did not go away.It still exists in Flex 4 and can be used in conjunction with Spark components.

I would have sworn there was an explicit table somewhere in the docs talking about component differences between spark and Halo, but I can't find it. The best I can recommend to you is to read through this section of the documentation.

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