public void onCreate(){
    super.onCreate();
    final String preferences = getString(R.string.preferences);
    savedValues = getSharedPreferences(preferences, Context.MODE_PRIVATE);
    // In later versions multi_process is no longer the default
    if(VERSION.SDK_INT >  9){
        savedValues = getSharedPreferences(preferences, Context.MODE_MULTI_PROCESS);
    }
    gcm = GoogleCloudMessaging.getInstance(getBaseContext());
    SharedPreferences savedValues = PreferenceManager.getDefaultSharedPreferences(this);
    if(savedValues.getBoolean(getString(R.string.first_launch), true)){
        register();
        SharedPreferences.Editor editor = savedValues.edit();
        editor.putBoolean(getString(R.string.first_launch), false);
        editor.commit();
    }
    // Let AndroidMobilePushApp know we have just initialized and there may be stored messages
    sendToApp(new Bundle(), this);
}

private void register() {
    new AsyncTask<Object, Object, Object>(){
        protected Object doInBackground(final Object... params) {
            String token;
            try {
                token = gcm.register(getString(R.string.project_number));
                Log.i("registrationId", token);
            }
            catch (IOException e) {
                Log.i("Registration Error", e.getMessage());
            }
            return true;
        }
    }.execute(null, null, null);
}