code: public Calendar getSelectedDate() {
          Calendar result = dateSpinner.getSelectedDate();
          Calendar time = timeSpinner.getSelectedTime();
          if(result!=null && time!=null) {
              result.set(Calendar.HOUR_OF_DAY, time.get(Calendar.HOUR_OF_DAY));
              result.set(Calendar.MINUTE, time.get(Calendar.MINUTE));
              return result;
          }
          else return null;
      }
docs: Gets the currently selected date (that the Spinners are showing)
  @return The selected date as Calendar, or null if there is none.