* e.g. "Sunday" or "January" */ public static final int LENGTH_LONG = 10; /** * Request an abbreviated version of the name. For use with the 'abbrev' * parameter of {@link #getDayOfWeekString} and {@link #getMonthString}. * * @more
* e.g. "Sun" or "Jan" */ public static final int LENGTH_MEDIUM = 20; /** * Request a shorter abbreviated version of the name. * For use with the 'abbrev' parameter of {@link #getDayOfWeekString} and {@link #getMonthString}. * @more *
e.g. "Su" or "Jan" *
In most languages, the results returned for LENGTH_SHORT will be the same as * the results returned for {@link #LENGTH_MEDIUM}. */ public static final int LENGTH_SHORT = 30; /** * Request an even shorter abbreviated version of the name. * Do not use this. Currently this will always return the same result * as {@link #LENGTH_SHORT}. */ public static final int LENGTH_SHORTER = 40; /** * Request an even shorter abbreviated version of the name. * For use with the 'abbrev' parameter of {@link #getDayOfWeekString} and {@link #getMonthString}. * @more *
e.g. "S", "T", "T" or "J" *
In some languages, the results returned for LENGTH_SHORTEST will be the same as * the results returned for {@link #LENGTH_SHORT}. */ public static final int LENGTH_SHORTEST = 50; /** * Return a string for the day of the week. * @param dayOfWeek One of {@link Calendar#SUNDAY Calendar.SUNDAY}, * {@link Calendar#MONDAY Calendar.MONDAY}, etc. * @param abbrev One of {@link #LENGTH_LONG}, {@link #LENGTH_SHORT}, * {@link #LENGTH_MEDIUM}, or {@link #LENGTH_SHORTEST}. * Note that in most languages, {@link #LENGTH_SHORT} * will return the same as {@link #LENGTH_MEDIUM}. * Undefined lengths will return {@link #LENGTH_MEDIUM} * but may return something different in the future. * @throws IndexOutOfBoundsException if the dayOfWeek is out of bounds. */ public static String getDayOfWeekString(int dayOfWeek, int abbrev) { int[] list; switch (abbrev) { case LENGTH_LONG: list = sDaysLong; break; case LENGTH_MEDIUM: list = sDaysMedium; break; case LENGTH_SHORT: list = sDaysShort; break; case LENGTH_SHORTER: list = sDaysShort; break; case LENGTH_SHORTEST: list = sDaysShortest; break; default: list = sDaysMedium; break; } Resources r = Resources.getSystem(); return r.getString(list[dayOfWeek - Calendar.SUNDAY]); } /** * Return a localized string for AM or PM. * @param ampm Either {@link Calendar#AM Calendar.AM} or {@link Calendar#PM Calendar.PM}. * @throws IndexOutOfBoundsException if the ampm is out of bounds. * @return Localized version of "AM" or "PM". */ public static String getAMPMString(int ampm) { Resources r = Resources.getSystem(); return r.getString(sAmPm[ampm - Calendar.AM]); } /** * Return a localized string for the month of the year. * @param month One of {@link Calendar#JANUARY Calendar.JANUARY}, * {@link Calendar#FEBRUARY Calendar.FEBRUARY}, etc. * @param abbrev One of {@link #LENGTH_LONG}, {@link #LENGTH_MEDIUM}, * or {@link #LENGTH_SHORTEST}. * Undefined lengths will return {@link #LENGTH_MEDIUM} * but may return something different in the future. * @return Localized month of the year. */ public static String getMonthString(int month, int abbrev) { // Note that here we use sMonthsMedium for MEDIUM, SHORT and SHORTER. // This is a shortcut to not spam the translators with too many variations // of the same string. If we find that in a language the distinction // is necessary, we can can add more without changing this API. int[] list; switch (abbrev) { case LENGTH_LONG: list = sMonthsLong; break; case LENGTH_MEDIUM: list = sMonthsMedium; break; case LENGTH_SHORT: list = sMonthsMedium; break; case LENGTH_SHORTER: list = sMonthsMedium; break; case LENGTH_SHORTEST: list = sMonthsShortest; break; default: list = sMonthsMedium; break; } Resources r = Resources.getSystem(); return r.getString(list[month - Calendar.JANUARY]); } /** * Return a localized string for the month of the year, for * contexts where the month is not formatted together with * a day of the month. * * @param month One of {@link Calendar#JANUARY Calendar.JANUARY}, * {@link Calendar#FEBRUARY Calendar.FEBRUARY}, etc. * @param abbrev One of {@link #LENGTH_LONG}, {@link #LENGTH_MEDIUM}, * or {@link #LENGTH_SHORTEST}. * Undefined lengths will return {@link #LENGTH_MEDIUM} * but may return something different in the future. * @return Localized month of the year. * @hide Pending API council approval */ public static String getStandaloneMonthString(int month, int abbrev) { // Note that here we use sMonthsMedium for MEDIUM, SHORT and SHORTER. // This is a shortcut to not spam the translators with too many variations // of the same string. If we find that in a language the distinction // is necessary, we can can add more without changing this API. int[] list; switch (abbrev) { case LENGTH_LONG: list = sMonthsStandaloneLong; break; case LENGTH_MEDIUM: list = sMonthsMedium; break; case LENGTH_SHORT: list = sMonthsMedium; break; case LENGTH_SHORTER: list = sMonthsMedium; break; case LENGTH_SHORTEST: list = sMonthsShortest; break; default: list = sMonthsMedium; break; } Resources r = Resources.getSystem(); return r.getString(list[month - Calendar.JANUARY]); } /** * Returns a string describing the elapsed time since startTime. * @param startTime some time in the past. * @return a String object containing the elapsed time. * @see #getRelativeTimeSpanString(long, long, long) */ public static CharSequence getRelativeTimeSpanString(long startTime) { return getRelativeTimeSpanString(startTime, System.currentTimeMillis(), MINUTE_IN_MILLIS); } /** * Returns a string describing 'time' as a time relative to 'now'. *
* Time spans in the past are formatted like "42 minutes ago". * Time spans in the future are formatted like "in 42 minutes". * * @param time the time to describe, in milliseconds * @param now the current time in milliseconds * @param minResolution the minimum timespan to report. For example, a time 3 seconds in the * past will be reported as "0 minutes ago" if this is set to MINUTE_IN_MILLIS. Pass one of * 0, MINUTE_IN_MILLIS, HOUR_IN_MILLIS, DAY_IN_MILLIS, WEEK_IN_MILLIS */ public static CharSequence getRelativeTimeSpanString(long time, long now, long minResolution) { int flags = FORMAT_SHOW_DATE | FORMAT_SHOW_YEAR | FORMAT_ABBREV_MONTH; return getRelativeTimeSpanString(time, now, minResolution, flags); } /** * Returns a string describing 'time' as a time relative to 'now'. *
* Time spans in the past are formatted like "42 minutes ago". Time spans in * the future are formatted like "in 42 minutes". *
* Can use {@link #FORMAT_ABBREV_RELATIVE} flag to use abbreviated relative * times, like "42 mins ago". * * @param time the time to describe, in milliseconds * @param now the current time in milliseconds * @param minResolution the minimum timespan to report. For example, a time * 3 seconds in the past will be reported as "0 minutes ago" if * this is set to MINUTE_IN_MILLIS. Pass one of 0, * MINUTE_IN_MILLIS, HOUR_IN_MILLIS, DAY_IN_MILLIS, * WEEK_IN_MILLIS * @param flags a bit mask of formatting options, such as * {@link #FORMAT_NUMERIC_DATE} or * {@link #FORMAT_ABBREV_RELATIVE} */ public static CharSequence getRelativeTimeSpanString(long time, long now, long minResolution, int flags) { Resources r = Resources.getSystem(); boolean abbrevRelative = (flags & (FORMAT_ABBREV_RELATIVE | FORMAT_ABBREV_ALL)) != 0; boolean past = (now >= time); long duration = Math.abs(now - time); int resId; long count; if (duration < MINUTE_IN_MILLIS && minResolution < MINUTE_IN_MILLIS) { count = duration / SECOND_IN_MILLIS; if (past) { if (abbrevRelative) { resId = com.android.internal.R.plurals.abbrev_num_seconds_ago; } else { resId = com.android.internal.R.plurals.num_seconds_ago; } } else { if (abbrevRelative) { resId = com.android.internal.R.plurals.abbrev_in_num_seconds; } else { resId = com.android.internal.R.plurals.in_num_seconds; } } } else if (duration < HOUR_IN_MILLIS && minResolution < HOUR_IN_MILLIS) { count = duration / MINUTE_IN_MILLIS; if (past) { if (abbrevRelative) { resId = com.android.internal.R.plurals.abbrev_num_minutes_ago; } else { resId = com.android.internal.R.plurals.num_minutes_ago; } } else { if (abbrevRelative) { resId = com.android.internal.R.plurals.abbrev_in_num_minutes; } else { resId = com.android.internal.R.plurals.in_num_minutes; } } } else if (duration < DAY_IN_MILLIS && minResolution < DAY_IN_MILLIS) { count = duration / HOUR_IN_MILLIS; if (past) { if (abbrevRelative) { resId = com.android.internal.R.plurals.abbrev_num_hours_ago; } else { resId = com.android.internal.R.plurals.num_hours_ago; } } else { if (abbrevRelative) { resId = com.android.internal.R.plurals.abbrev_in_num_hours; } else { resId = com.android.internal.R.plurals.in_num_hours; } } } else if (duration < WEEK_IN_MILLIS && minResolution < WEEK_IN_MILLIS) { count = getNumberOfDaysPassed(time, now); if (past) { if (abbrevRelative) { resId = com.android.internal.R.plurals.abbrev_num_days_ago; } else { resId = com.android.internal.R.plurals.num_days_ago; } } else { if (abbrevRelative) { resId = com.android.internal.R.plurals.abbrev_in_num_days; } else { resId = com.android.internal.R.plurals.in_num_days; } } } else { // We know that we won't be showing the time, so it is safe to pass // in a null context. return formatDateRange(null, time, time, flags); } String format = r.getQuantityString(resId, (int) count); return String.format(format, count); } /** * Returns the number of days passed between two dates. * * @param date1 first date * @param date2 second date * @return number of days passed between to dates. */ private synchronized static long getNumberOfDaysPassed(long date1, long date2) { if (sThenTime == null) { sThenTime = new Time(); } sThenTime.set(date1); int day1 = Time.getJulianDay(date1, sThenTime.gmtoff); sThenTime.set(date2); int day2 = Time.getJulianDay(date2, sThenTime.gmtoff); return Math.abs(day2 - day1); } /** * Return string describing the elapsed time since startTime formatted like * "[relative time/date], [time]". *
* Example output strings for the US date format. *
The parameters dateFormat and timeFormat should each be one of * {@link java.text.DateFormat#DEFAULT}, * {@link java.text.DateFormat#FULL}, * {@link java.text.DateFormat#LONG}, * {@link java.text.DateFormat#MEDIUM} * or * {@link java.text.DateFormat#SHORT} * * @param then the date to format * @param now the base time * @param dateStyle how to format the date portion. * @param timeStyle how to format the time portion. */ public static final CharSequence formatSameDayTime(long then, long now, int dateStyle, int timeStyle) { Calendar thenCal = new GregorianCalendar(); thenCal.setTimeInMillis(then); Date thenDate = thenCal.getTime(); Calendar nowCal = new GregorianCalendar(); nowCal.setTimeInMillis(now); java.text.DateFormat f; if (thenCal.get(Calendar.YEAR) == nowCal.get(Calendar.YEAR) && thenCal.get(Calendar.MONTH) == nowCal.get(Calendar.MONTH) && thenCal.get(Calendar.DAY_OF_MONTH) == nowCal.get(Calendar.DAY_OF_MONTH)) { f = java.text.DateFormat.getTimeInstance(timeStyle); } else { f = java.text.DateFormat.getDateInstance(dateStyle); } return f.format(thenDate); } /** * @hide * @deprecated use {@link android.text.format.Time} */ public static Calendar newCalendar(boolean zulu) { if (zulu) return Calendar.getInstance(TimeZone.getTimeZone("GMT")); return Calendar.getInstance(); } /** * @return true if the supplied when is today else false */ public static boolean isToday(long when) { Time time = new Time(); time.set(when); int thenYear = time.year; int thenMonth = time.month; int thenMonthDay = time.monthDay; time.set(System.currentTimeMillis()); return (thenYear == time.year) && (thenMonth == time.month) && (thenMonthDay == time.monthDay); } /** * @hide * @deprecated use {@link android.text.format.Time} * Return true if this date string is local time */ public static boolean isUTC(String s) { if (s.length() == 16 && s.charAt(15) == 'Z') { return true; } if (s.length() == 9 && s.charAt(8) == 'Z') { // XXX not sure if this case possible/valid return true; } return false; } /** * Return a string containing the date and time in RFC2445 format. * Ensures that the time is written in UTC. The Calendar class doesn't * really help out with this, so this is slower than it ought to be. * * @param cal the date and time to write * @hide * @deprecated use {@link android.text.format.Time} */ public static String writeDateTime(Calendar cal) { TimeZone tz = TimeZone.getTimeZone("GMT"); GregorianCalendar c = new GregorianCalendar(tz); c.setTimeInMillis(cal.getTimeInMillis()); return writeDateTime(c, true); } /** * Return a string containing the date and time in RFC2445 format. * * @param cal the date and time to write * @param zulu If the calendar is in UTC, pass true, and a Z will * be written at the end as per RFC2445. Otherwise, the time is * considered in localtime. * @hide * @deprecated use {@link android.text.format.Time} */ public static String writeDateTime(Calendar cal, boolean zulu) { StringBuilder sb = new StringBuilder(); sb.ensureCapacity(16); if (zulu) { sb.setLength(16); sb.setCharAt(15, 'Z'); } else { sb.setLength(15); } return writeDateTime(cal, sb); } /** * Return a string containing the date and time in RFC2445 format. * * @param cal the date and time to write * @param sb a StringBuilder to use. It is assumed that setLength * has already been called on sb to the appropriate length * which is sb.setLength(zulu ? 16 : 15) * @hide * @deprecated use {@link android.text.format.Time} */ public static String writeDateTime(Calendar cal, StringBuilder sb) { int n; n = cal.get(Calendar.YEAR); sb.setCharAt(3, (char)('0'+n%10)); n /= 10; sb.setCharAt(2, (char)('0'+n%10)); n /= 10; sb.setCharAt(1, (char)('0'+n%10)); n /= 10; sb.setCharAt(0, (char)('0'+n%10)); n = cal.get(Calendar.MONTH) + 1; sb.setCharAt(5, (char)('0'+n%10)); n /= 10; sb.setCharAt(4, (char)('0'+n%10)); n = cal.get(Calendar.DAY_OF_MONTH); sb.setCharAt(7, (char)('0'+n%10)); n /= 10; sb.setCharAt(6, (char)('0'+n%10)); sb.setCharAt(8, 'T'); n = cal.get(Calendar.HOUR_OF_DAY); sb.setCharAt(10, (char)('0'+n%10)); n /= 10; sb.setCharAt(9, (char)('0'+n%10)); n = cal.get(Calendar.MINUTE); sb.setCharAt(12, (char)('0'+n%10)); n /= 10; sb.setCharAt(11, (char)('0'+n%10)); n = cal.get(Calendar.SECOND); sb.setCharAt(14, (char)('0'+n%10)); n /= 10; sb.setCharAt(13, (char)('0'+n%10)); return sb.toString(); } /** * @hide * @deprecated use {@link android.text.format.Time} */ public static void assign(Calendar lval, Calendar rval) { // there should be a faster way. lval.clear(); lval.setTimeInMillis(rval.getTimeInMillis()); } /** * Formats a date or a time range according to the local conventions. *
* Note that this is a convenience method. Using it involves creating an * internal {@link java.util.Formatter} instance on-the-fly, which is * somewhat costly in terms of memory and time. This is probably acceptable * if you use the method only rarely, but if you rely on it for formatting a * large number of dates, consider creating and reusing your own * {@link java.util.Formatter} instance and use the version of * {@link #formatDateRange(Context, long, long, int) formatDateRange} * that takes a {@link java.util.Formatter}. * * @param context the context is required only if the time is shown * @param startMillis the start time in UTC milliseconds * @param endMillis the end time in UTC milliseconds * @param flags a bit mask of options See * {@link #formatDateRange(Context, Formatter, long, long, int, String) formatDateRange} * @return a string containing the formatted date/time range. */ public static String formatDateRange(Context context, long startMillis, long endMillis, int flags) { Formatter f = new Formatter(new StringBuilder(50), Locale.getDefault()); return formatDateRange(context, f, startMillis, endMillis, flags).toString(); } /** * Formats a date or a time range according to the local conventions. *
* Note that this is a convenience method for formatting the date or * time range in the local time zone. If you want to specify the time * zone please use * {@link #formatDateRange(Context, Formatter, long, long, int, String) formatDateRange}. * * @param context the context is required only if the time is shown * @param formatter the Formatter used for formatting the date range. * Note: be sure to call setLength(0) on StringBuilder passed to * the Formatter constructor unless you want the results to accumulate. * @param startMillis the start time in UTC milliseconds * @param endMillis the end time in UTC milliseconds * @param flags a bit mask of options See * {@link #formatDateRange(Context, Formatter, long, long, int, String) formatDateRange} * @return a string containing the formatted date/time range. */ public static Formatter formatDateRange(Context context, Formatter formatter, long startMillis, long endMillis, int flags) { return formatDateRange(context, formatter, startMillis, endMillis, flags, null); } /** * Formats a date or a time range according to the local conventions. * *
* Example output strings (date formats in these examples are shown using * the US date format convention but that may change depending on the * local settings): *
* The flags argument is a bitmask of options from the following list: * *
* If FORMAT_SHOW_TIME is set, the time is shown as part of the date range. * If the start and end time are the same, then just the start time is * shown. * *
* If FORMAT_SHOW_WEEKDAY is set, then the weekday is shown. * *
* If FORMAT_SHOW_YEAR is set, then the year is always shown. * If FORMAT_NO_YEAR is set, then the year is not shown. * If neither FORMAT_SHOW_YEAR nor FORMAT_NO_YEAR are set, then the year * is shown only if it is different from the current year, or if the start * and end dates fall on different years. If both are set, * FORMAT_SHOW_YEAR takes precedence. * *
* Normally the date is shown unless the start and end day are the same. * If FORMAT_SHOW_DATE is set, then the date is always shown, even for * same day ranges. * *
* If FORMAT_NO_MONTH_DAY is set, then if the date is shown, just the * month name will be shown, not the day of the month. For example, * "January, 2008" instead of "January 6 - 12, 2008". * *
* If FORMAT_CAP_AMPM is set and 12-hour time is used, then the "AM" * and "PM" are capitalized. You should not use this flag * because in some locales these terms cannot be capitalized, and in * many others it doesn't make sense to do so even though it is possible. * *
* If FORMAT_NO_NOON is set and 12-hour time is used, then "12pm" is * shown instead of "noon". * *
* If FORMAT_CAP_NOON is set and 12-hour time is used, then "Noon" is * shown instead of "noon". You should probably not use this flag * because in many locales it will not make sense to capitalize * the term. * *
* If FORMAT_NO_MIDNIGHT is set and 12-hour time is used, then "12am" is * shown instead of "midnight". * *
* If FORMAT_CAP_MIDNIGHT is set and 12-hour time is used, then "Midnight" * is shown instead of "midnight". You should probably not use this * flag because in many locales it will not make sense to capitalize * the term. * *
* If FORMAT_12HOUR is set and the time is shown, then the time is * shown in the 12-hour time format. You should not normally set this. * Instead, let the time format be chosen automatically according to the * system settings. If both FORMAT_12HOUR and FORMAT_24HOUR are set, then * FORMAT_24HOUR takes precedence. * *
* If FORMAT_24HOUR is set and the time is shown, then the time is * shown in the 24-hour time format. You should not normally set this. * Instead, let the time format be chosen automatically according to the * system settings. If both FORMAT_12HOUR and FORMAT_24HOUR are set, then * FORMAT_24HOUR takes precedence. * *
* If FORMAT_UTC is set, then the UTC time zone is used for the start * and end milliseconds unless a time zone is specified. If a time zone * is specified it will be used regardless of the FORMAT_UTC flag. * *
* If FORMAT_ABBREV_TIME is set and 12-hour time format is used, then the * start and end times (if shown) are abbreviated by not showing the minutes * if they are zero. For example, instead of "3:00pm" the time would be * abbreviated to "3pm". * *
* If FORMAT_ABBREV_WEEKDAY is set, then the weekday (if shown) is * abbreviated to a 3-letter string. * *
* If FORMAT_ABBREV_MONTH is set, then the month (if shown) is abbreviated * to a 3-letter string. * *
* If FORMAT_ABBREV_ALL is set, then the weekday and the month (if shown) * are abbreviated to 3-letter strings. * *
* If FORMAT_NUMERIC_DATE is set, then the date is shown in numeric format * instead of using the name of the month. For example, "12/31/2008" * instead of "December 31, 2008". * * @param context the context is required only if the time is shown * @param formatter the Formatter used for formatting the date range. * Note: be sure to call setLength(0) on StringBuilder passed to * the Formatter constructor unless you want the results to accumulate. * @param startMillis the start time in UTC milliseconds * @param endMillis the end time in UTC milliseconds * @param flags a bit mask of options * @param timeZone the time zone to compute the string in. Use null for local * or if the FORMAT_UTC flag is being used. * * @return the formatter with the formatted date/time range appended to the string buffer. */ public static Formatter formatDateRange(Context context, Formatter formatter, long startMillis, long endMillis, int flags, String timeZone) { Resources res = Resources.getSystem(); boolean showTime = (flags & FORMAT_SHOW_TIME) != 0; boolean showWeekDay = (flags & FORMAT_SHOW_WEEKDAY) != 0; boolean showYear = (flags & FORMAT_SHOW_YEAR) != 0; boolean noYear = (flags & FORMAT_NO_YEAR) != 0; boolean useUTC = (flags & FORMAT_UTC) != 0; boolean abbrevWeekDay = (flags & (FORMAT_ABBREV_WEEKDAY | FORMAT_ABBREV_ALL)) != 0; boolean abbrevMonth = (flags & (FORMAT_ABBREV_MONTH | FORMAT_ABBREV_ALL)) != 0; boolean noMonthDay = (flags & FORMAT_NO_MONTH_DAY) != 0; boolean numericDate = (flags & FORMAT_NUMERIC_DATE) != 0; // If we're getting called with a single instant in time (from // e.g. formatDateTime(), below), then we can skip a lot of // computation below that'd otherwise be thrown out. boolean isInstant = (startMillis == endMillis); Time startDate; if (timeZone != null) { startDate = new Time(timeZone); } else if (useUTC) { startDate = new Time(Time.TIMEZONE_UTC); } else { startDate = new Time(); } startDate.set(startMillis); Time endDate; int dayDistance; if (isInstant) { endDate = startDate; dayDistance = 0; } else { if (timeZone != null) { endDate = new Time(timeZone); } else if (useUTC) { endDate = new Time(Time.TIMEZONE_UTC); } else { endDate = new Time(); } endDate.set(endMillis); int startJulianDay = Time.getJulianDay(startMillis, startDate.gmtoff); int endJulianDay = Time.getJulianDay(endMillis, endDate.gmtoff); dayDistance = endJulianDay - startJulianDay; } // If the end date ends at 12am at the beginning of a day, // then modify it to make it look like it ends at midnight on // the previous day. This will allow us to display "8pm - midnight", // for example, instead of "Nov 10, 8pm - Nov 11, 12am". But we only do // this if it is midnight of the same day as the start date because // for multiple-day events, an end time of "midnight on Nov 11" is // ambiguous and confusing (is that midnight the start of Nov 11, or // the end of Nov 11?). // If we are not showing the time then also adjust the end date // for multiple-day events. This is to allow us to display, for // example, "Nov 10 -11" for an event with a start date of Nov 10 // and an end date of Nov 12 at 00:00. // If the start and end time are the same, then skip this and don't // adjust the date. if (!isInstant && (endDate.hour | endDate.minute | endDate.second) == 0 && (!showTime || dayDistance <= 1)) { endDate.monthDay -= 1; endDate.normalize(true /* ignore isDst */); } int startDay = startDate.monthDay; int startMonthNum = startDate.month; int startYear = startDate.year; int endDay = endDate.monthDay; int endMonthNum = endDate.month; int endYear = endDate.year; String startWeekDayString = ""; String endWeekDayString = ""; if (showWeekDay) { String weekDayFormat = ""; if (abbrevWeekDay) { weekDayFormat = ABBREV_WEEKDAY_FORMAT; } else { weekDayFormat = WEEKDAY_FORMAT; } startWeekDayString = startDate.format(weekDayFormat); endWeekDayString = isInstant ? startWeekDayString : endDate.format(weekDayFormat); } String startTimeString = ""; String endTimeString = ""; if (showTime) { String startTimeFormat = ""; String endTimeFormat = ""; boolean force24Hour = (flags & FORMAT_24HOUR) != 0; boolean force12Hour = (flags & FORMAT_12HOUR) != 0; boolean use24Hour; if (force24Hour) { use24Hour = true; } else if (force12Hour) { use24Hour = false; } else { use24Hour = DateFormat.is24HourFormat(context); } if (use24Hour) { startTimeFormat = endTimeFormat = res.getString(com.android.internal.R.string.hour_minute_24); } else { boolean abbrevTime = (flags & (FORMAT_ABBREV_TIME | FORMAT_ABBREV_ALL)) != 0; boolean capAMPM = (flags & FORMAT_CAP_AMPM) != 0; boolean noNoon = (flags & FORMAT_NO_NOON) != 0; boolean capNoon = (flags & FORMAT_CAP_NOON) != 0; boolean noMidnight = (flags & FORMAT_NO_MIDNIGHT) != 0; boolean capMidnight = (flags & FORMAT_CAP_MIDNIGHT) != 0; boolean startOnTheHour = startDate.minute == 0 && startDate.second == 0; boolean endOnTheHour = endDate.minute == 0 && endDate.second == 0; if (abbrevTime && startOnTheHour) { if (capAMPM) { startTimeFormat = res.getString(com.android.internal.R.string.hour_cap_ampm); } else { startTimeFormat = res.getString(com.android.internal.R.string.hour_ampm); } } else { if (capAMPM) { startTimeFormat = res.getString(com.android.internal.R.string.hour_minute_cap_ampm); } else { startTimeFormat = res.getString(com.android.internal.R.string.hour_minute_ampm); } } // Don't waste time on setting endTimeFormat when // we're dealing with an instant, where we'll never // need the end point. (It's the same as the start // point) if (!isInstant) { if (abbrevTime && endOnTheHour) { if (capAMPM) { endTimeFormat = res.getString(com.android.internal.R.string.hour_cap_ampm); } else { endTimeFormat = res.getString(com.android.internal.R.string.hour_ampm); } } else { if (capAMPM) { endTimeFormat = res.getString(com.android.internal.R.string.hour_minute_cap_ampm); } else { endTimeFormat = res.getString(com.android.internal.R.string.hour_minute_ampm); } } if (endDate.hour == 12 && endOnTheHour && !noNoon) { if (capNoon) { endTimeFormat = res.getString(com.android.internal.R.string.Noon); } else { endTimeFormat = res.getString(com.android.internal.R.string.noon); } } else if (endDate.hour == 0 && endOnTheHour && !noMidnight) { if (capMidnight) { endTimeFormat = res.getString(com.android.internal.R.string.Midnight); } else { endTimeFormat = res.getString(com.android.internal.R.string.midnight); } } } if (startDate.hour == 12 && startOnTheHour && !noNoon) { if (capNoon) { startTimeFormat = res.getString(com.android.internal.R.string.Noon); } else { startTimeFormat = res.getString(com.android.internal.R.string.noon); } // Don't show the start time starting at midnight. Show // 12am instead. } } startTimeString = startDate.format(startTimeFormat); endTimeString = isInstant ? startTimeString : endDate.format(endTimeFormat); } // Show the year if the user specified FORMAT_SHOW_YEAR or if // the starting and end years are different from each other // or from the current year. But don't show the year if the // user specified FORMAT_NO_YEAR. if (showYear) { // No code... just a comment for clarity. Keep showYear // on, as they enabled it with FORMAT_SHOW_YEAR. This // takes precedence over them setting FORMAT_NO_YEAR. } else if (noYear) { // They explicitly didn't want a year. showYear = false; } else if (startYear != endYear) { showYear = true; } else { // Show the year if it's not equal to the current year. Time currentTime = new Time(); currentTime.setToNow(); showYear = startYear != currentTime.year; } String defaultDateFormat, fullFormat, dateRange; if (numericDate) { defaultDateFormat = res.getString(com.android.internal.R.string.numeric_date); } else if (showYear) { if (abbrevMonth) { if (noMonthDay) { defaultDateFormat = res.getString(com.android.internal.R.string.abbrev_month_year); } else { defaultDateFormat = res.getString(com.android.internal.R.string.abbrev_month_day_year); } } else { if (noMonthDay) { defaultDateFormat = res.getString(com.android.internal.R.string.month_year); } else { defaultDateFormat = res.getString(com.android.internal.R.string.month_day_year); } } } else { if (abbrevMonth) { if (noMonthDay) { defaultDateFormat = res.getString(com.android.internal.R.string.abbrev_month); } else { defaultDateFormat = res.getString(com.android.internal.R.string.abbrev_month_day); } } else { if (noMonthDay) { defaultDateFormat = res.getString(com.android.internal.R.string.month); } else { defaultDateFormat = res.getString(com.android.internal.R.string.month_day); } } } if (showWeekDay) { if (showTime) { fullFormat = res.getString(com.android.internal.R.string.wday1_date1_time1_wday2_date2_time2); } else { fullFormat = res.getString(com.android.internal.R.string.wday1_date1_wday2_date2); } } else { if (showTime) { fullFormat = res.getString(com.android.internal.R.string.date1_time1_date2_time2); } else { fullFormat = res.getString(com.android.internal.R.string.date1_date2); } } if (noMonthDay && startMonthNum == endMonthNum && startYear == endYear) { // Example: "January, 2008" return formatter.format("%s", startDate.format(defaultDateFormat)); } if (startYear != endYear || noMonthDay) { // Different year or we are not showing the month day number. // Example: "December 31, 2007 - January 1, 2008" // Or: "January - February, 2008" String startDateString = startDate.format(defaultDateFormat); String endDateString = endDate.format(defaultDateFormat); // The values that are used in a fullFormat string are specified // by position. return formatter.format(fullFormat, startWeekDayString, startDateString, startTimeString, endWeekDayString, endDateString, endTimeString); } // Get the month, day, and year strings for the start and end dates String monthFormat; if (numericDate) { monthFormat = NUMERIC_MONTH_FORMAT; } else if (abbrevMonth) { monthFormat = res.getString(com.android.internal.R.string.short_format_month); } else { monthFormat = MONTH_FORMAT; } String startMonthString = startDate.format(monthFormat); String startMonthDayString = startDate.format(MONTH_DAY_FORMAT); String startYearString = startDate.format(YEAR_FORMAT); String endMonthString = isInstant ? null : endDate.format(monthFormat); String endMonthDayString = isInstant ? null : endDate.format(MONTH_DAY_FORMAT); String endYearString = isInstant ? null : endDate.format(YEAR_FORMAT); if (startMonthNum != endMonthNum) { // Same year, different month. // Example: "October 28 - November 3" // or: "Wed, Oct 31 - Sat, Nov 3, 2007" // or: "Oct 31, 8am - Sat, Nov 3, 2007, 5pm" int index = 0; if (showWeekDay) index = 1; if (showYear) index += 2; if (showTime) index += 4; if (numericDate) index += 8; int resId = sameYearTable[index]; fullFormat = res.getString(resId); // The values that are used in a fullFormat string are specified // by position. return formatter.format(fullFormat, startWeekDayString, startMonthString, startMonthDayString, startYearString, startTimeString, endWeekDayString, endMonthString, endMonthDayString, endYearString, endTimeString); } if (startDay != endDay) { // Same month, different day. int index = 0; if (showWeekDay) index = 1; if (showYear) index += 2; if (showTime) index += 4; if (numericDate) index += 8; int resId = sameMonthTable[index]; fullFormat = res.getString(resId); // The values that are used in a fullFormat string are specified // by position. return formatter.format(fullFormat, startWeekDayString, startMonthString, startMonthDayString, startYearString, startTimeString, endWeekDayString, endMonthString, endMonthDayString, endYearString, endTimeString); } // Same start and end day boolean showDate = (flags & FORMAT_SHOW_DATE) != 0; // If nothing was specified, then show the date. if (!showTime && !showDate && !showWeekDay) showDate = true; // Compute the time string (example: "10:00 - 11:00 am") String timeString = ""; if (showTime) { // If the start and end time are the same, then just show the // start time. if (isInstant) { // Same start and end time. // Example: "10:15 AM" timeString = startTimeString; } else { // Example: "10:00 - 11:00 am" String timeFormat = res.getString(com.android.internal.R.string.time1_time2); // Don't use the user supplied Formatter because the result will pollute the buffer. timeString = String.format(timeFormat, startTimeString, endTimeString); } } // Figure out which full format to use. fullFormat = ""; String dateString = ""; if (showDate) { dateString = startDate.format(defaultDateFormat); if (showWeekDay) { if (showTime) { // Example: "10:00 - 11:00 am, Tue, Oct 9" fullFormat = res.getString(com.android.internal.R.string.time_wday_date); } else { // Example: "Tue, Oct 9" fullFormat = res.getString(com.android.internal.R.string.wday_date); } } else { if (showTime) { // Example: "10:00 - 11:00 am, Oct 9" fullFormat = res.getString(com.android.internal.R.string.time_date); } else { // Example: "Oct 9" return formatter.format("%s", dateString); } } } else if (showWeekDay) { if (showTime) { // Example: "10:00 - 11:00 am, Tue" fullFormat = res.getString(com.android.internal.R.string.time_wday); } else { // Example: "Tue" return formatter.format("%s", startWeekDayString); } } else if (showTime) { return formatter.format("%s", timeString); } // The values that are used in a fullFormat string are specified // by position. return formatter.format(fullFormat, timeString, startWeekDayString, dateString); } /** * Formats a date or a time according to the local conventions. There are * lots of options that allow the caller to control, for example, if the * time is shown, if the day of the week is shown, if the month name is * abbreviated, if noon is shown instead of 12pm, and so on. For the * complete list of options, see the documentation for * {@link #formatDateRange}. *
* Example output strings (date formats in these examples are shown using * the US date format convention but that may change depending on the * local settings): *