/// <summary>
/// Crea un objeto de serializacion con los valores actuales y guarda el progreso
/// </summary>
public void SaveProgress()
{
SerializationObject sObj = new SerializationObject(levelsCompleted, _virtualCoin, _adsBought,
_serializationVersion, _completedChallenges, _timeWhenChallengeDone, _timeWhenDailyRewardOpened);
persistenceController.SaveFile(sObj);
}