onHourUpArrowKey method
Implementation
int? onHourUpArrowKey(_, int? value, int? oldValue) {
if (use24HourFormat) {
return value;
} else if (oldValue == 11) {
if (period.isPm && daySegment.value != null) {
daySegment.value = daySegment.value! + 1;
}
periodSegment.value = period.invert;
return 12;
} else if (oldValue == 12) {
return 1;
}
return value;
}