On Sun, Mar 14, 2010 at 12:11 PM, HippoMan <[email protected]> wrote:

> However, is there some sort of way to build and deploy a single app
> which can be written under the 2.1 SDK, and which is smart enough to
> know which OS version it is running under, and to only enable the
> functionality present in the "old" jars when being used in an earlier
> OS version, but enable more advanced features when being run under the
> newer OS's?
>

Yes, this has been discussed at length in these groups. Search for
"reflection" in the group and you'll find plenty on the topic.

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TreKing - Chicago transit tracking app for Android-powered devices
http://sites.google.com/site/rezmobileapps/treking

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