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Have you updated any Flex 2/3 applications to Flex 4+?

By Rich Tretola | December 15, 2010
6,235 views

Earlier this year, I authored several blog posts showing some of the differences and the upgrade path from moving from Flex 2/3 to Flex 4.

F3 v. F4: Using ViewStack, TabNavigator and Accordion
F3 v. F4 Tile v TileGroup
F3 v. F4: Repeater v DataGroup
F3 v. F4: Boxes v Groups

Here is another nice resource: http://www.adobe.com/devnet/flex/articles/upgrading-flex3-to-flex4-techguide.html

Please let me know if you have done any work on this in 2010 by answering the poll below.


Topics: ActionScript 3, Flex 2, Flex 3 (Moxie), Flex 4 | 4 Comments »

4 Responses to “Have you updated any Flex 2/3 applications to Flex 4+?”

  1. Matthew Fabb Says:
    December 15th, 2010 at 11:35 am

    I’m still using Flex 4 beta 2 in one project, because it’s using Degrafa which isn’t compatible with changes made to the final Flex 4.0 release. I’ve been meaning to either make the necessary changes to support just the few classes I’m using in that project but haven’t had the time to do so.

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  2. ernest leitch Says:
    December 15th, 2010 at 1:58 pm

    Thats a nice collection of posts on Flex4. I haven’t worked with it yet but it’s good to get up to speed on some of the differences.

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  3. JTtheGeek Says:
    December 15th, 2010 at 10:54 pm

    Sure have, using your articles and others we migrated Dedoose fully over to Flex 4, and it has been amazing. Flex 4′s spark components and skinning are astounding. Matthew Fabb – We ported Degrafa to Flex4, http://www.dedoose.com/FileStorate/DevUploads/DefrafaJT4.zip find me if you need help!

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  4. Brian Says:
    January 6th, 2011 at 11:26 am

    We have tried to upgrade to Flex 4 but it is nearly impossible even with compatibility flags. Try running an of the Quietly Scheming components in Flex 4 and you’ll see why. Actually at MAX I think I remember Deepa saying that Adobe doesn’t recommend upgrading to Flex 4, only new projects should use it.

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