@Override
        public void onClick(final View arg0) {
            dateUnset[0] = true;
            date.setTime(new Date());
            triggerChange();
        }
If currently there is no date/time set, then this method sets the preselected date for later calls.
If a date is selected, this method does nothing
main/src/main/java/cgeo/geocaching/ui/DateTimeEditor.java