Can Authcode received for Android App be used by webservice for AuthToken Exchange?

Can Authcode received for Android App be used by webservice for AuthToken
Exchange?

References

Reference NO 1

http://stackoverflow.com/questions/15193917/can-authcode-received-for-android-app-be-used-by-webservice-for-authtoken-exchan

Reference NO 2

http://stackoverflow.com/questions/13498817/how-can-i-use-oauth2-and-google-to-log-a-user-into-my-web-service-and-manage-the

Reference NO 3

http://developer.android.com/training/id-auth/authenticate.html

Reference NO 4

http://aaronparecki.com/An_Introduction_to_OAuth_2

Reference NO 5

http://gnuc.in/resources/

Reference NO 6

http://forumarray.com/android-how-to-get-auth-token-google-login-service-118506

Reference NO 7

http://forumarray.com/android-creating-the-request-to-a-webservice-by-ksoap2-329758

Reference NO 8

#EANF#