Android Utililty Methods Date Add

List of utility methods to do Date Add

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Description

The list of methods to do Date Add are organized into topic(s).

Method

Dateadd(Date date, int calendarField, int amount)
Used internally to add/subtract amount to specific calendar field. 
if (StringUtils.isNull(date)) {
    throw new NullPointerException("date cannot be null");
Calendar c = Calendar.getInstance();
c.setTime(date);
c.add(calendarField, amount);
return c.getTime();
Timestampadd(Date date, int calendarField, int amount)
add 
if (date == null) {
    throw new IllegalArgumentException("The date must not be null");
Calendar c = Calendar.getInstance();
c.setTime(date);
c.add(calendarField, amount);
return new Timestamp(c.getTimeInMillis());
Dateadd(Date date, int calendarField, int amount)
Adds to a date returning a new object. 
if (date == null) {
    throw new IllegalArgumentException("The date must not be null");
Calendar c = Calendar.getInstance();
c.setTime(date);
c.add(calendarField, amount);
return c.getTime();
DateaddDay(Date date, int days)
add Day 
Calendar c = getCalendar(date);
if (c == null)
    return null;
c.add(Calendar.DAY_OF_MONTH, days);
return c.getTime();
TimestampaddDays(Date date, int amount)
add Days 
return add(date, Calendar.DAY_OF_MONTH, amount);
DateaddDays(Date date, int amount)
Adds a number of days to a date returning a new object. 
return add(date, Calendar.DAY_OF_MONTH, amount);
DateaddDaysToDate(Date date, int daysToBeAdded)
Add / Subtract given no of days to Date . 
if (StringUtils.isNull(date)) {
    throw new NullPointerException("date cannot be null");
return add(date, Calendar.DATE, daysToBeAdded);
TimestampaddHours(Date date, int amount)
add Hours 
return add(date, Calendar.HOUR_OF_DAY, amount);
DateaddHours(Date date, int amount)
Adds a number of hours to a date returning a new object. 
return add(date, Calendar.HOUR_OF_DAY, amount);
DateaddHoursToDate(Date date, int hoursToBeAdded)
Add / Subtract given no of hours to Date . 
if (StringUtils.isNull(date)) {
    throw new NullPointerException("date cannot be null");
return add(date, Calendar.HOUR, hoursToBeAdded);