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Updated on 2026-08-14

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Tangem 2024-08-14 12:52:27 +03:00
parent c6d333dbeb
commit 244f9bc61d
19 changed files with 224 additions and 77 deletions
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61
core/ui/src/main/java/com/tangem/core/ui/utils/DateTimeFormatters.kt
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@ -11,12 +11,21 @@ import java.util.Locale
object DateTimeFormatters {
/**
* Two SS means, SHORT style for date and time.
* If pattern contains "a", it means time is in 12 hour format.
* [Documentation](https://www.joda.org/joda-time/apidocs/org/joda/time/format/DateTimeFormat.html)
* Determine if the time is in 12-hour format ("10:00 PM") for the current locale.
*/
val is12HourFormat by lazy {
/**
* Two SS means, SHORT style for date and time.
* If pattern contains "a", it means time is in 12 hour format.
* [Documentation](https://www.joda.org/joda-time/apidocs/org/joda/time/format/DateTimeFormat.html)
*/
DateTimeFormat.patternForStyle("SS", Locale.getDefault()).contains("a")
}
/**
* Example: "12:00 PM", "12:00"
*/
val timeFormatter: DateTimeFormatter by lazy {
val is12HourFormat = DateTimeFormat.patternForStyle("SS", Locale.getDefault()).contains("a")
if (is12HourFormat) {
DateTimeFormatterBuilder()
.appendClockhourOfHalfday(1)
@ -36,6 +45,9 @@ object DateTimeFormatters {
}
}
/**
* Example: "1 Jun, 2020", "1 Jun, 2020"
*/
val dateFormatter: DateTimeFormatter by lazy {
DateTimeFormatterBuilder()
.appendDayOfMonth(1)
@ -47,36 +59,61 @@ object DateTimeFormatters {
.withLocale(Locale.getDefault())
}
/**
* Example: "31.06.2020", "06/31/2020"
*/
val dateDDMMYYYY: DateTimeFormatter by lazy {
DateTimeFormatterBuilder()
.appendPattern("dd.MM.yyyy")
.toFormatter()
.withLocale(Locale.getDefault())
getBestFormatterBySkeleton("dd.MM.yyyy")
}
/**
* In API version < 24, there may be some problems with getting the best date and time format pattern.
* Example: "Jun 31, 2020", "31 Jun, 2020"
*/
val dateMMMdd: DateTimeFormatter by lazy {
getBestFormatterBySkeleton("dd MMM")
getBestFormatterBySkeleton("MMM dd")
}
/**
* Example: "2020"
*/
val dateYYYY: DateTimeFormatter by lazy {
getBestFormatterBySkeleton("yyyy")
}
/**
* Example: "31.06.2020 12:00", "06/31/2020 12:00", "06/31/2020 12:00 PM"
*/
val dateTimeFormatter: DateTimeFormatter by lazy {
DateTimeFormat.forPattern("dd.MM.yyyy HH:mm")
getBestFormatterBySkeleton("dd.MM.yyyy HH:mm")
}
fun formatDate(date: DateTime, formatter: DateTimeFormatter = dateFormatter): String {
return formatter.print(date)
}
/**
* Returns the best date and time format pattern for the given skeleton and the current locale.
* (In API version < 24, there may be some problems with getting the best date and time format pattern.)
*
* @param skeleton The skeleton is an alternative to the pattern. The difference is that the pattern rigidly
* defines the date/time format, while the skeleton specifies only the date/time components (year, month, day, etc.)
* So the order of the components and separators (space, comma, etc.) is not taken into account.
* @see [dateYYYY], [dateMMMdd], [dateDDMMYYYY], [dateTimeFormatter]
*/
fun getBestFormatterBySkeleton(skeleton: String): DateTimeFormatter {
val skeletonWithLocale = skeleton.replaceHourLetters()
return DateTimeFormatterBuilder()
.appendPattern(DateFormat.getBestDateTimePattern(Locale.getDefault(), skeleton))
.appendPattern(DateFormat.getBestDateTimePattern(Locale.getDefault(), skeletonWithLocale))
.toFormatter()
.withLocale(Locale.getDefault())
}
private fun String.replaceHourLetters(): String {
return if (is12HourFormat) {
this.replace('H', 'h').replace('k', 'K')
} else {
this.replace('h', 'H').replace('K', 'k')
}
}
}