Android Utililty Methods Day Get

List of utility methods to do Day Get

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Description

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

Method

longgetDayStartTime(long time)
get Day Start Time 
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(time);
SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM-dd");
String strDay = sf.format(cal.getTime());
long result;
try {
    result = sf.parse(strDay).getTime();
} catch (ParseException e) {
...
DatelastDay(Date date)
last Day 
Calendar calendar = convert(date);
calendar.set(Calendar.DATE,
        calendar.getActualMaximum(Calendar.DATE));
return calendar.getTime();
DatefirstDay(Date date)
first Day 
Calendar calendar = convert(date);
calendar.set(Calendar.DATE, 1);
return calendar.getTime();
intgetDay(long dateTimeMillis)
get Day 
SimpleDateFormat format = new SimpleDateFormat("dd");
StringBuilder dateString = new StringBuilder(
        format.format(dateTimeMillis));
return Integer.parseInt(dateString.toString());
StringgetDaySelect(String selectName, String value, boolean hasBlank)
get Day Select 
StringBuffer sb = new StringBuffer("");
sb.append("<select name=\"" + selectName + "\">");
if (hasBlank) {
    sb.append("<option value=\"\"></option>");
for (int i = 1; i <= 31; i++) {
    if (!value.trim().equals("") && i == Integer.parseInt(value)) {
        sb.append("<option value=\"" + i + "\" selected>" + i
...
StringgetDaySelect(String selectName, String value, boolean hasBlank, String js)
get Day Select 
StringBuffer sb = new StringBuffer("");
sb.append("<select name=\"" + selectName + "\" " + js + ">");
if (hasBlank) {
    sb.append("<option value=\"\"></option>");
for (int i = 1; i <= 31; i++) {
    if (!value.trim().equals("") && i == Integer.parseInt(value)) {
        sb.append("<option value=\"" + i + "\" selected>" + i
...
StringgetCurrentDay()
get Current Day 
return getFormatCurrentTime("dd");
StringgetSmartDateString(long time, String extString, String zeroDayString)
get Smart Date String 
long theTime = getDayStartTime(time);
long nowTime = getDayStartTime(System.currentTimeMillis());
long moreTime = nowTime - theTime;
if (moreTime <= 0L) {
    return zeroDayString;
if (moreTime < oneDay * 7) {
    return (moreTime / oneDay) + " " + extString;
...
StringgetWeatherDateStr(int day)
get Weather Date Str 
Calendar calendar = Calendar.getInstance();
SimpleDateFormat dateFormat = new SimpleDateFormat(
        WEATHER_DATE_FORMAT);
if (day == 0) {
    return dateFormat.format(calendar.getTime());
} else {
    calendar.roll(Calendar.DAY_OF_YEAR, day);
    return dateFormat.format(calendar.getTime());
...
String[]getArrayDiffDays(String startDate, String endDate)
get Array Diff Days 
int LEN = 0;
if (startDate.equals(endDate)) {
    return new String[] { startDate };
Date sdate = null;
if (startDate.indexOf("/") > 0 && endDate.indexOf("/") > 0) {
    sdate = getDateObj(startDate, "/");
if (startDate.indexOf("-") > 0 && endDate.indexOf("-") > 0) {
    sdate = getDateObj(startDate, "-");
LEN = getDiffDays(startDate, endDate);
String[] dateResult = new String[LEN + 1];
dateResult[0] = startDate;
for (int i = 1; i < LEN + 1; i++) {
    if (startDate.indexOf("/") > 0 && endDate.indexOf("/") > 0) {
        dateResult[i] = getFormatDateTime(getDateAdd(sdate, i),
                "yyyy/MM/dd");
    if (startDate.indexOf("-") > 0 && endDate.indexOf("-") > 0) {
        dateResult[i] = getFormatDateTime(getDateAdd(sdate, i),
                "yyyy-MM-dd");
return dateResult;