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using flex3 and flex4 together

Posted on 2011-02-10
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hi guys

i want to know if i can use flex 3 and flex 4 together

this is my namespace in flex 3 mxml page

<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">


In flex 3 mxml page can i say something like

<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"              -- from flex 3
            xmlns:s="library://ns.adobe.com/flex/spark" >          -- from flex 4

...

and in the flex build path can i use flex3 and flex4 sdk?

i dont want to switch completely to flex 4 because i have mx components created using flex 3
which error out in flex4.
so i want to use only the spark components from flex4 in my flex 3 environment.

thanks
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Question by:royjayd
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ChristoferDutz earned 2000 total points
ID: 34863827
Well the namespaces should be other ones, but it's pretty common to mix mx components and spark components as there is not a spark equivalent for all mx components (ViewStack, Grid, DataGrid, Form, FormItem, ...)
<mx:Application
        xmlns:fx="http://ns.adobe.com/mxml/2009"
        xmlns:mx="library://ns.adobe.com/flex/mx"
        xmlns:s="library://ns.adobe.com/flex/spark">

...

</mx:Application>

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