Android Utililty Methods Calendar String Parse

List of utility methods to do Calendar String Parse

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Description

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

Method

Stringformat(String time)
format "yyyy-MM-dd HH:mm:ss" 
try {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(parser.parse(time));
    calendar.add(Calendar.HOUR, 3);
    return formatter.format(calendar.getTime())
            .replaceAll("-", "/");
} catch (ParseException e) {
    e.printStackTrace();
...
DatefromString(String dateString, String format)
from String 
SimpleDateFormat inputFormat = new SimpleDateFormat(format);
return inputFormat.parse(dateString);
GregorianCalendarparseCalendar(int year, int month, double day, TimeZone zone)
Parses a date assuming all arguments are based on a Gregorian or Julian calendar. 
double hour = (day % 1) * 24; 
double minute = (hour % 1) * 60; 
double second = (minute % 1) * 60; 
double millisecond = (second % 1) * 1000;
return parseCalendar(year, month, (int) day, (int) hour,
        (int) minute, (int) second, (int) Math.round(millisecond),
        zone);
GregorianCalendarparseCalendar(int year, int month, int day, int hour, int minute, int second, int millisecond, TimeZone zone)
Parses a date assuming all arguments are based on a Gregorian calendar. 
GregorianCalendar calendar = new GregorianCalendar(zone);
calendar.set(Calendar.YEAR, year);
calendar.set(Calendar.MONTH, month - 1);
calendar.set(Calendar.DAY_OF_MONTH, (int) day);
calendar.set(Calendar.HOUR_OF_DAY, (int) hour);
calendar.set(Calendar.MINUTE, (int) minute);
calendar.set(Calendar.SECOND, (int) second);
calendar.set(Calendar.MILLISECOND, (int) Math.round(millisecond));
...
intparseDA(Calendar c, String s, int off, int len)
parse DA 
int pos = off;
c.set(Calendar.YEAR, Integer.parseInt(s.substring(pos, pos += 4)));
if (pos < len) {
    if (!Character.isDigit(s.charAt(pos)))
        ++pos;
    if (pos + 2 <= len) {
        c.set(Calendar.MONTH,
                Integer.parseInt(s.substring(pos, pos += 2)) - 1);
...
intparseTM(Calendar c, String s, int off, int len)
parse TM 
int pos = off;
String hours = s.substring(pos, pos += 2);
c.set(Calendar.HOUR_OF_DAY, Integer.parseInt(hours));
if (pos < len) {
    if (!Character.isDigit(s.charAt(pos))) {
        ++pos;
    if (pos + 2 <= len) {
...
CalendargetAsCalendar(String dateString)
get As Calendar 
Calendar date = Calendar.getInstance();
date.setTime((Date) df.parse(dateString));
return date;
CalendargetCalendarFromString(final String date)
get Calendar From String 
final SimpleDateFormat inputFormat = new SimpleDateFormat(
        "E, MMMM dd, yyyy");
Date parsedDate = new Date();
try {
    parsedDate = inputFormat.parse(date.trim());
} catch (final ParseException e) {
    Log.e("DATE_PARSER",
            "Error: Impossible to parse input string to calendar.",
...
CalendarstringToCalendar(String date)
string To Calendar 
Calendar calendar = Calendar.getInstance();
SimpleDateFormat dateformatter = new SimpleDateFormat(
        "dd/MM/yyyy HH:mm:ss");
try {
    calendar.setTime(dateformatter.parse(date));
} catch (ParseException e) {
    e.printStackTrace();
return calendar;