Google map not showing on android signed apk with Google V2 release key.

[rahul rana2]

Hi all,
I am displaying MAP using google map Api V2 i successfully displayed it in device when am running through my PC but now i am signing my application via export signed apk using myApp .keystore and made .apk and now i am using that apk file and running the application but the map does not displayed just showing white screen.

please help to resolve this issue.
your help would be greatly appreciated.
Thanks in advance.


Regards
Rahul Rana