Android Utililty Methods Calendar Set

List of utility methods to do Calendar Set

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Description

The list of methods to do Calendar Set are organized into topic(s).

Method

voidsetTo2359(Calendar c)
set To 
c.set(Calendar.HOUR_OF_DAY, 23);
c.set(Calendar.MINUTE, 59);
c.set(Calendar.SECOND, 59);
c.set(Calendar.MILLISECOND, 999);
voidsetToDec31(Calendar c)
set To Dec 
c.set(Calendar.MONTH, 11);
c.set(Calendar.DAY_OF_MONTH, 31);
setTo2359(c);
voidmodify(Calendar val, int field, boolean round)
modify 
if (val.get(Calendar.YEAR) > 280000000) {
    throw new ArithmeticException(
            "Calendar value too large for accurate calculations");
if (field == Calendar.MILLISECOND) {
    return;
Date date = val.getTime();
...
CalendarprepareCalendar(int hourOfDay, int minute)
prepare Calendar 
Calendar calNow = Calendar.getInstance();
Calendar calSet = (Calendar) calNow.clone();
calSet.set(Calendar.HOUR_OF_DAY, hourOfDay);
calSet.set(Calendar.MINUTE, minute);
calSet.set(Calendar.SECOND, 0);
calSet.set(Calendar.MILLISECOND, 0);
if (calSet.compareTo(calNow) <= 0) {
    calSet.add(Calendar.DATE, 1);
...
DateTimetoDateTime(Calendar calendar)
to Date Time 
DateTime dateTime = new DateTime();
dateTime.set(calendar.get(Calendar.MINUTE),
        calendar.get(Calendar.HOUR_OF_DAY),
        calendar.get(Calendar.DAY_OF_MONTH),
        calendar.get(Calendar.MONTH) + 1,
        calendar.get(Calendar.YEAR));
return dateTime;
voidstripTime(Calendar cal)
strip Time 
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MILLISECOND, 0);
voidsetDate(Calendar cal, long date)
set Date 
int year = (int) (date / 10000);
int month = (int) ((date / 100) % 100);
int day = (int) (date % 100);
cal.set(year, month - 1, day);
voidsetTime(Calendar cal, long time)
set Time 
int hour = (int) (time / 10000);
int minute = (int) ((time / 100) % 100);
int second = (int) (time % 100);
cal.set(Calendar.HOUR_OF_DAY, hour);
cal.set(Calendar.MINUTE, minute);
cal.set(Calendar.SECOND, second);
DatemoveToDate(int field, int amount)
move To Date 
Calendar calendar = Calendar.getInstance();
calendar.setTime(new Date());
calendar.add(field, amount);
return calendar.getTime();