GooglePlayServicesUtil.java

 /**
   * Method to check whether to check Google Play Services is up to date.
   *
   * @return
   */
  private boolean checkPlayServices() {
    GoogleApiAvailability googleAPI = GoogleApiAvailability.getInstance();
    int result = googleAPI.isGooglePlayServicesAvailable(this);
    if (result != ConnectionResult.SUCCESS) {
      //Google Play Services app is not available or version is not up to date. Error the 
      // error condition here
      return false;
    }
    //Google Play Services is available. Return true.
    return true;
  }