Android Utililty Methods Date Interval Get

List of utility methods to do Date Interval Get

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Description

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

Method

longgetDiff(String startTime, String endTime)
get Diff 
long diff = 0;
SimpleDateFormat ft = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
try {
    Date startDate = ft.parse(startTime);
    Date endDate = ft.parse(endTime);
    diff = startDate.getTime() - endDate.getTime();
    diff = diff / 1000;
} catch (ParseException e) {
...
longgetDiff(String startTime, String endTime)
get Diff 
long diff = 0;
SimpleDateFormat ft = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
try {
    Date startDate = ft.parse(startTime);
    Date endDate = ft.parse(endTime);
    diff = startDate.getTime() - endDate.getTime();
    diff = diff / 1000;
} catch (ParseException e) {
...
intgetDiffDays(String startDate, String endDate)
get Diff Days 
long diff = 0;
SimpleDateFormat ft = null;
if (startDate.indexOf("/") > 0 && endDate.indexOf("/") > 0) {
    ft = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
if (startDate.indexOf("-") > 0 && endDate.indexOf("-") > 0) {
    ft = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
try {
    Date sDate = ft.parse(startDate + " 00:00:00");
    Date eDate = ft.parse(endDate + " 00:00:00");
    diff = eDate.getTime() - sDate.getTime();
    diff = diff / 86400000;
} catch (ParseException e) {
    e.printStackTrace();
return (int) diff;
intgetDiffDays(String startDate, String endDate)
get Diff Days 
long diff = 0;
SimpleDateFormat ft = null;
if (startDate.indexOf("/") > 0 && endDate.indexOf("/") > 0) {
    ft = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
if (startDate.indexOf("-") > 0 && endDate.indexOf("-") > 0) {
    ft = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
try {
    Date sDate = ft.parse(startDate + " 00:00:00");
    Date eDate = ft.parse(endDate + " 00:00:00");
    diff = eDate.getTime() - sDate.getTime();
    diff = diff / 86400000;
} catch (ParseException e) {
    e.printStackTrace();
return (int) diff;
intgetDiffHour(String startTime, String endTime)
get Diff Hour 
long diff = 0;
SimpleDateFormat ft = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
try {
    Date startDate = ft.parse(startTime);
    Date endDate = ft.parse(endTime);
    diff = startDate.getTime() - endDate.getTime();
    diff = diff / (1000 * 60 * 60);
} catch (ParseException e) {
...
intgetDiffHour(String startTime, String endTime)
get Diff Hour 
long diff = 0;
SimpleDateFormat ft = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
try {
    Date startDate = ft.parse(startTime);
    Date endDate = ft.parse(endTime);
    diff = startDate.getTime() - endDate.getTime();
    diff = diff / (1000 * 60 * 60);
} catch (ParseException e) {
...
longgetFragment(Calendar calendar, int fragment, int unit)
Calendar-version for fragment-calculation in any unit 
if (calendar == null) {
    throw new IllegalArgumentException("The date must not be null");
long millisPerUnit = getMillisPerUnit(unit);
long result = 0;
switch (fragment) {
case Calendar.YEAR:
    result += (calendar.get(Calendar.DAY_OF_YEAR) * MILLIS_PER_DAY)
...
longgetFragment(Date date, int fragment, int unit)
Date-version for fragment-calculation in any unit 
if (date == null) {
    throw new IllegalArgumentException("The date must not be null");
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return getFragment(calendar, fragment, unit);
longgetFragmentInDays(Date date, int fragment)

Returns the number of days within the fragment. 

return getFragment(date, fragment, Calendar.DAY_OF_YEAR);
longgetFragmentInHours(Date date, int fragment)

Returns the number of hours within the fragment. 

return getFragment(date, fragment, Calendar.HOUR_OF_DAY);