Can't log in to google play during debugging

Question

when I'm running my app in debugging with eclipse, it won't log me in, the login circle from gplay just keeps turning? so I can't find out why it won't unlock an achievement, when an user gets it.

I have this code:

 fbdude = this.getSharedPreferences("fbdudea", 0);
         if((fbdude.getInt("fbdudea", 100000) == 1)){

             Games.Achievements.unlockImmediate(mGoogleApiClient, "achievement_frozen_sparks_dude").setResultCallback(new ResultCallback<UpdateAchievementResult>() {

                    @Override
                    public void onResult(UpdateAchievementResult res) {
                        System.out.println(res.getStatus().getStatusCode());

                    }

             });
        }

but it only runs when I'm singed in and I only can sign in when I use a version of my app with the publishing keystore...what do I have to do?