On Sun, Dec 18, 2011 at 9:31 PM, Uday Gokhale <[email protected]>wrote:

> 1) I get the message,on click of that message I want to check whether my
> application is install on device?
>
You app can only check if it is installed ... if it is installed ...

> 2) If my app install on a device i want to show route,
>
> 3)I want my application to run in background when back key(Device) pressed.
>
http://developer.android.com/reference/android/app/Service.html

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

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