@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putInt(KEY_SELECTED_YEAR, mCalendar.get(Calendar.YEAR));
outState.putInt(KEY_SELECTED_MONTH, mCalendar.get(Calendar.MONTH));
outState.putInt(KEY_SELECTED_DAY, mCalendar.get(Calendar.DAY_OF_MONTH));
outState.putInt(KEY_WEEK_START, mWeekStart);
outState.putInt(KEY_YEAR_START, mMinYear);
outState.putInt(KEY_YEAR_END, mMaxYear);
outState.putInt(KEY_CURRENT_VIEW, mCurrentView);
int listPosition = -1;
if (mCurrentView == MONTH_AND_DAY_VIEW) {
listPosition = mDayPickerView.getMostVisiblePosition();
} else if (mCurrentView == YEAR_VIEW) {
listPosition = mYearPickerView.getFirstVisiblePosition();
outState.putInt(KEY_LIST_POSITION_OFFSET, mYearPickerView.getFirstPositionOffset());
}
outState.putInt(KEY_LIST_POSITION, listPosition);
outState.putSerializable(KEY_MIN_DATE, mMinDate);
outState.putSerializable(KEY_MAX_DATE, mMaxDate);
}