protected Builder buildReminder(Builder builder, VAlarm alarm) {
    int minutes = 0;

    Dur duration;
    if (alarm.getTrigger() != null && (duration = alarm.getTrigger().getDuration()) != null)
      minutes = duration.getDays() * 24 * 60 + duration.getHours() * 60 + duration.getMinutes();

    Log.d(TAG, "Adding alarm " + minutes + " min before");

    return builder
        .withValue(Reminders.METHOD, Reminders.METHOD_ALERT)
        .withValue(Reminders.MINUTES, minutes);
  }
  @Override
  public void populate(Resource resource) throws LocalStorageException {
    Event e = (Event) resource;

    try {
      @Cleanup
      Cursor cursor =
          providerClient.query(
              ContentUris.withAppendedId(entriesURI(), e.getLocalID()),
              new String[] {
                /*  0 */ Events.TITLE,
                Events.EVENT_LOCATION,
                Events.DESCRIPTION,
                /*  3 */ Events.DTSTART,
                Events.DTEND,
                Events.EVENT_TIMEZONE,
                Events.EVENT_END_TIMEZONE,
                Events.ALL_DAY,
                /*  8 */ Events.STATUS,
                Events.ACCESS_LEVEL,
                /* 10 */ Events.RRULE,
                Events.RDATE,
                Events.EXRULE,
                Events.EXDATE,
                /* 14 */ Events.HAS_ATTENDEE_DATA,
                Events.ORGANIZER,
                Events.SELF_ATTENDEE_STATUS,
                /* 17 */ entryColumnUID(),
                Events.DURATION,
                Events.AVAILABILITY
              },
              null,
              null,
              null);
      if (cursor != null && cursor.moveToNext()) {
        e.setUid(cursor.getString(17));

        e.setSummary(cursor.getString(0));
        e.setLocation(cursor.getString(1));
        e.setDescription(cursor.getString(2));

        boolean allDay = cursor.getInt(7) != 0;
        long tsStart = cursor.getLong(3), tsEnd = cursor.getLong(4);
        String duration = cursor.getString(18);

        String tzId = null;
        if (allDay) {
          e.setDtStart(tsStart, null);
          // provide only DTEND and not DURATION for all-day events
          if (tsEnd == 0) {
            Dur dur = new Dur(duration);
            java.util.Date dEnd = dur.getTime(new java.util.Date(tsStart));
            tsEnd = dEnd.getTime();
          }
          e.setDtEnd(tsEnd, null);

        } else {
          // use the start time zone for the end time, too
          // because apps like Samsung Planner allow the user to change "the" time zone but change
          // the start time zone only
          tzId = cursor.getString(5);
          e.setDtStart(tsStart, tzId);
          if (tsEnd != 0) e.setDtEnd(tsEnd, tzId);
          else if (!StringUtils.isEmpty(duration)) e.setDuration(new Duration(new Dur(duration)));
        }

        // recurrence
        try {
          String strRRule = cursor.getString(10);
          if (!StringUtils.isEmpty(strRRule)) e.setRrule(new RRule(strRRule));

          String strRDate = cursor.getString(11);
          if (!StringUtils.isEmpty(strRDate)) {
            RDate rDate = new RDate();
            rDate.setValue(strRDate);
            e.setRdate(rDate);
          }

          String strExRule = cursor.getString(12);
          if (!StringUtils.isEmpty(strExRule)) {
            ExRule exRule = new ExRule();
            exRule.setValue(strExRule);
            e.setExrule(exRule);
          }

          String strExDate = cursor.getString(13);
          if (!StringUtils.isEmpty(strExDate)) {
            // ignored, see https://code.google.com/p/android/issues/detail?id=21426
            ExDate exDate = new ExDate();
            exDate.setValue(strExDate);
            e.setExdate(exDate);
          }
        } catch (ParseException ex) {
          Log.w(TAG, "Couldn't parse recurrence rules, ignoring", ex);
        } catch (IllegalArgumentException ex) {
          Log.w(TAG, "Invalid recurrence rules, ignoring", ex);
        }

        // status
        switch (cursor.getInt(8)) {
          case Events.STATUS_CONFIRMED:
            e.setStatus(Status.VEVENT_CONFIRMED);
            break;
          case Events.STATUS_TENTATIVE:
            e.setStatus(Status.VEVENT_TENTATIVE);
            break;
          case Events.STATUS_CANCELED:
            e.setStatus(Status.VEVENT_CANCELLED);
        }

        // availability
        e.setOpaque(cursor.getInt(19) != Events.AVAILABILITY_FREE);

        // attendees
        if (cursor.getInt(14) != 0) { // has attendees
          try {
            e.setOrganizer(new Organizer(new URI("mailto", cursor.getString(15), null)));
          } catch (URISyntaxException ex) {
            Log.e(TAG, "Error when creating ORGANIZER URI, ignoring", ex);
          }
          populateAttendees(e);
        }

        // classification
        switch (cursor.getInt(9)) {
          case Events.ACCESS_CONFIDENTIAL:
          case Events.ACCESS_PRIVATE:
            e.setForPublic(false);
            break;
          case Events.ACCESS_PUBLIC:
            e.setForPublic(true);
        }

        populateReminders(e);
      } else throw new RecordNotFoundException();
    } catch (RemoteException ex) {
      throw new LocalStorageException(ex);
    }
  }