Android Utililty Methods Date Compare

List of utility methods to do Date Compare

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Description

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

Method

intcompareCurrentDate(Date currentDate)
compare Current Date 
return compareDate(currentDate, nowAsDate(), Calendar.DATE);
intcompareDate(Date date1, Date date2)
compare Date 
return date1.compareTo(date2);
intcompareDate(Date date1, Date date2, int what)
compare Date 
Calendar objCalendar1 = Calendar.getInstance();
objCalendar1.setTime(date1);
Calendar objCalendar2 = Calendar.getInstance();
objCalendar2.setTime(date2);
int iResult = compare(objCalendar1, objCalendar2, what);
if (iResult > 0) {
    return 1;
} else if (iResult < 0) {
...
intcompareDate(String date1, String date2, int what)
compare Date 
DateFormat df = new SimpleDateFormat("yyyy-MM-dd");
Date objDate1 = df.parse(date1);
Date objDate2 = df.parse(date2);
return compareDate(objDate1, objDate2, what);
DatedateAfterDate(Date date, long days)
date After Date 
long d = date.getTime();
d += days * 86400000;
return new java.util.Date(d);
DatedateBeforeDate(Date date, long days)
date Before Date 
long d = date.getTime();
d += days * 86400000;
return new java.util.Date(d);
booleanisSameDay(Date dateSource, Date dateDesti)
is Same Day 
if (dateSource == null || dateDesti == null) {
    throw new IllegalArgumentException("The date must not be null");
Calendar objCalendarSource = Calendar.getInstance();
objCalendarSource.setTime(dateSource);
Calendar objCalendarDesti = Calendar.getInstance();
objCalendarDesti.setTime(dateDesti);
return isSameDay(objCalendarSource, objCalendarDesti);
...
booleanisSameInstant(Date date1, Date date2)
is Same Instant 
if (date1 == null || date2 == null) {
    throw new IllegalArgumentException("The date must not be null");
return date1.getTime() == date2.getTime();
booleanneedsMidnightCountdown()
needs Midnight Countdown 
int offset = getDateOffset();
return offset > 0
        || getDay() == Calendar.SUNDAY
        || (getHour() > 15 || (getHour() == 15 && getMinute() >= 15));
intdateDiffer(Date date1, Date date2)
date Differ 
if (date1 == null || date2 == null)
    return 0;
return (int) ((date2.getTime() + 28800000) / 86400000 - (date1
        .getTime() + 28800000) / 86400000);