Actually it is... for devices that have a barometer, its not that hard. 
He'll have to do a bunch of optimizations and calibrations to achieve 
decent accuracy, but unless he's not looking for 100% accuracy, he can get 
an estimate of what floor you're on.

On Tuesday, November 6, 2012 9:15:38 AM UTC+2, TreKing wrote:
>
> On Mon, Nov 5, 2012 at 11:07 PM, ANKUR GOEL <[email protected]<javascript:>
> > wrote:
>
>> Suppose i in 10 floor building and want to tell user in which floor he is 
>> in .
>
>
> This is probably quite impossible.
>
>
> -------------------------------------------------------------------------------------------------
> TreKing <http://sites.google.com/site/rezmobileapps/treking> - Chicago 
> transit tracking app for Android-powered devices
>
>

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