Java Code Examples for android.icu.util.Calendar#getTimeInMillis()

@Test
public void TestGetOffsetDate() {
    Calendar cal = Calendar.getInstance();
    cal.set(1997, Calendar.JANUARY, 30);
    long date = cal.getTimeInMillis();

TimeZone tz_icu = TimeZone.getTimeZone("America/Los_Angeles");
int offset = tz_icu.getOffset(date);
if (offset != -28800000) {
    errln("expected offset -28800000, got: " + offset);
}

cal.set(1997, Calendar.JULY, 30);
date = cal.getTimeInMillis();
offset = tz_icu.getOffset(date);
if (offset != -25200000) {
    errln("expected offset -25200000, got: " + offset);
}
}
 

@Test
public void TestJB5380() {
    GlobalizationPreferences gp = new GlobalizationPreferences();
    GregorianCalendar gcal = new GregorianCalendar();

    // set way old date
    gcal.set(Calendar.YEAR, 1950);

    // set calendar to GP
    gp.setCalendar(gcal);

    Calendar cal = gp.getCalendar();
    // Calendar instance returned from GP should be initialized
    // by the current time
    long timeDiff = System.currentTimeMillis() - cal.getTimeInMillis();
    if (Math.abs(timeDiff) > 1000) {
        // if difference is more than 1 second..
        errln("FAIL: The Calendar was not initialized by current time - difference:" + timeDiff);
    }
}
 

/**
 * Gets a calendar for locale bootstrapped with the value of a given calendar.
 *
 * @param oldCalendar The old calendar.
 * @param locale The locale.
 */
private static Calendar getCalendarForLocale(Calendar oldCalendar, Locale locale) {
    if (oldCalendar == null) {
        return Calendar.getInstance(locale);
    } else {
        final long currentTimeMillis = oldCalendar.getTimeInMillis();
        Calendar newCalendar = Calendar.getInstance(locale);
        newCalendar.setTimeInMillis(currentTimeMillis);
        return newCalendar;
    }
}
 

/**
 * Sets the month displayed at the top of this view based on time. Override
 * to add custom events when the title is changed.
 *
 * @param calendar A day in the new focus month.
 */
private void setMonthDisplayed(Calendar calendar) {
    mCurrentMonthDisplayed = calendar.get(Calendar.MONTH);
    mAdapter.setFocusMonth(mCurrentMonthDisplayed);
    final int flags = DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_NO_MONTH_DAY
            | DateUtils.FORMAT_SHOW_YEAR;
    final long millis = calendar.getTimeInMillis();
    String newMonthName = DateUtils.formatDateRange(mContext, millis, millis, flags);
    mMonthName.setText(newMonthName);
    mMonthName.invalidate();
}
 

/**
 * @return Returns the number of weeks between the current <code>date</code>
 *         and the <code>mMinDate</code>.
 */
private int getWeeksSinceMinDate(Calendar date) {
    if (date.before(mMinDate)) {
        throw new IllegalArgumentException("fromDate: " + mMinDate.getTime()
                + " does not precede toDate: " + date.getTime());
    }
    long endTimeMillis = date.getTimeInMillis()
            + date.getTimeZone().getOffset(date.getTimeInMillis());
    long startTimeMillis = mMinDate.getTimeInMillis()
            + mMinDate.getTimeZone().getOffset(mMinDate.getTimeInMillis());
    long dayOffsetMillis = (mMinDate.get(Calendar.DAY_OF_WEEK) - mFirstDayOfWeek)
            * MILLIS_IN_DAY;
    return (int) ((endTimeMillis - startTimeMillis + dayOffsetMillis) / MILLIS_IN_WEEK);
}
 

/**
 * Gets a calendar for locale bootstrapped with the value of a given calendar.
 *
 * @param oldCalendar The old calendar.
 * @param locale The locale.
 */
private Calendar getCalendarForLocale(Calendar oldCalendar, Locale locale) {
    if (oldCalendar == null) {
        return Calendar.getInstance(locale);
    } else {
        final long currentTimeMillis = oldCalendar.getTimeInMillis();
        Calendar newCalendar = Calendar.getInstance(locale);
        newCalendar.setTimeInMillis(currentTimeMillis);
        return newCalendar;
    }
}
 

/**
 * @param timeZone the timezone we are in
 * @return the timepoint in millis at UTC at midnight in the current timezone
 */
private long computeNextMidnight(TimeZone timeZone) {
    Calendar c = Calendar.getInstance();
    c.setTimeZone(libcore.icu.DateUtilsBridge.icuTimeZone(timeZone));
    c.add(Calendar.DAY_OF_MONTH, 1);
    c.set(Calendar.HOUR_OF_DAY, 0);
    c.set(Calendar.MINUTE, 0);
    c.set(Calendar.SECOND, 0);
    c.set(Calendar.MILLISECOND, 0);
    return c.getTimeInMillis();
}
 

@Override
public long getDate() {
    Calendar cal = Calendar.getInstance(mLocale);
    cal.set(Calendar.HOUR_OF_DAY, getHour());
    cal.set(Calendar.MINUTE, getMinute());
    return cal.getTimeInMillis();
}
 

/**
 * Gets a calendar for locale bootstrapped with the value of a given calendar.
 *
 * @param oldCalendar The old calendar.
 * @param locale      The locale.
 */
private Calendar getCalendarForLocale(Calendar oldCalendar, Locale locale) {
    if (oldCalendar == null) {
        return Calendar.getInstance(locale);
    } else {
        final long currentTimeMillis = oldCalendar.getTimeInMillis();
        Calendar newCalendar = Calendar.getInstance(locale);
        newCalendar.setTimeInMillis(currentTimeMillis);
        return newCalendar;
    }
}
 

/**
 * Convert year,month,day values to the form "year/month/day".
 */
static public String ymdToString(Calendar cal) {
    double day = getJulianDay(cal);
    if (cal instanceof ChineseCalendar) {
        return "" + cal.get(Calendar.EXTENDED_YEAR) + "/" +
            (cal.get(Calendar.MONTH)+1) +
            (cal.get(Calendar.IS_LEAP_MONTH)==1?"(leap)":"") + "/" +
            cal.get(Calendar.DATE) + " (" + day + ", time=" + cal.getTimeInMillis() + ")";
    }
    return ymdToString(cal.get(Calendar.EXTENDED_YEAR),
                        cal.get(MONTH), cal.get(DATE)) +
                        " (" + day + ", time=" + cal.getTimeInMillis() + ")";
}
 

@Test
public void testGetInstance_String_DateIntervalInfo() {
    DateIntervalInfo dateIntervalInfo = new DateIntervalInfo(new ULocale("ca"));
    DateIntervalFormat dateIntervalFormat = DateIntervalFormat.getInstance(
            DateFormat.YEAR_MONTH, Locale.ENGLISH, dateIntervalInfo);
    Calendar from = Calendar.getInstance();
    from.set(2000, Calendar.JANUARY, 1, 12, 0);
    Calendar to = Calendar.getInstance();
    to.set(2001, Calendar.FEBRUARY, 1, 12, 0);
    DateInterval interval = new DateInterval(from.getTimeInMillis(), to.getTimeInMillis());
    dateIntervalFormat.setTimeZone(from.getTimeZone());
    // Month names are default (English), format is Catalan
    assertEquals("Wrong date interval",
            "January de 2000 – February de 2001", dateIntervalFormat.format(interval));
}
 

@Test
public void testGetInstance_String_Locale_DateIntervalInfo() {
    DateIntervalInfo dateIntervalInfo = new DateIntervalInfo(new ULocale("ca"));
    DateIntervalFormat dateIntervalFormat = DateIntervalFormat.getInstance(
            DateFormat.YEAR_MONTH, Locale.GERMAN, dateIntervalInfo);
    Calendar from = Calendar.getInstance();
    from.set(2000, Calendar.JANUARY, 1, 12, 0);
    Calendar to = Calendar.getInstance();
    to.set(2001, Calendar.FEBRUARY, 1, 12, 0);
    DateInterval interval = new DateInterval(from.getTimeInMillis(), to.getTimeInMillis());
    dateIntervalFormat.setTimeZone(from.getTimeZone());
    // Month names are German, format is Catalan
    assertEquals("Wrong date interval",
            "Januar de 2000 – Februar de 2001", dateIntervalFormat.format(interval));
}