How to include the GoogleMaps.apk file while extending MapActivity

I need a help, In my eclipse, I have extended MapActivity to display google maps. Now if i run my program, there exists an error that

[2011-08-27 18:47:42 - GoogleMaps] Could not find GoogleMaps.apk!

and i dont have any other errors in program. How to overcome this Bug?

Solution

Are you using the Android n.n Platform library? I think you need the Android n.n Google APIs library.

It can be downloaded via the Android SDK and AVD Manager.