Android + Google Api V2

i am creating a application with using the google map v2 on a real device but i get a problem and the application force close how to fix this after i read many and many solutions

Solution 1:

Your error here is:

Caused by: android.app.Fragment$InstantiationException: Unable to instantiate fragment com.google.android.gms.maps.MapFragment: make sure class name exists, ispublic, and has an empty constructor that ispublic

which means that basically MapFragment class could not be found. MapFragment is part of the google-play-services library. To use it you need to import the google-play-services into your workspace and then reference it from your project, you can reed how it's done in the first 3 steps of this blog post I wrote:

Google Maps API V2