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From Alex Harui <>
Subject Re: Targeting both older and newer versions of FP
Date Tue, 11 Sep 2012 16:21:38 GMT

On 9/11/12 5:47 AM, "Mihai Ene" <> wrote:

> Can you target both old FP10.2 and new FP11.4 features with a single swf file?
> That's the basic idea, not having two separate projects, since the FP11.4
> features throw an error when compiling for FP10.2
Technically, you can't do that no matter how many SWF files you use.  The
first SWF loaded by the player determines the APIs available and code paths
taken by those APIs for that SWF and any subsequent SWF loaded by that
player instance.

It is rare for Flash to remove an API so you can usually have the first SWF
target the latest player version and no code will fail for lack of access to
an API, but if you have code that depends on old (and maybe even buggy)
player behavior in an API, then you might run into a problem.

Alex Harui
Flex SDK Team
Adobe Systems, Inc.

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