Change this
public class MapClass extends FragmentActivity
to
public class MapClass extends Activity
And this
android:name="com.google.android.gms.maps.SupportMapFragment"
to
android:name="com.google.android.gms.maps.MapFragment"
Remove
class="com.google.android.gms.maps.SupportMapFragment"
Add this
<meta-data
android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version" />
inside application tag in manifest file