docs: public void setEnabledWeekday(int dayOfWeek, boolean enable){
          if(mRepeatMode != REPEAT_WEEKLY)
              return;
  
          if(enable)
              mRepeatSetting = mRepeatSetting | WEEKDAY_MASK[dayOfWeek - 1];
          else
              mRepeatSetting = mRepeatSetting & (~WEEKDAY_MASK[dayOfWeek - 1]);
      }