Xamarin UILocalNotification错误时区
创建新的UILocalNotification并安排通知时,时间会因时区而更改。I设置的日期被UILocalNotification更改为时区。我不想发生这种事Xamarin UILocalNotification错误时区,xamarin,xamarin.ios,Xamarin,Xamarin.ios,创建新的UILocalNotification并安排通知时,时间会因时区而更改。I设置的日期被UILocalNotification更改为时区。我不想发生这种事 public static void RegisterLocalNotification(ServiceModel.Types.ParkingTicket parkingTicket) { if (parkingTicket == null || parkingTicket.ExpiringSoon) retu
public static void RegisterLocalNotification(ServiceModel.Types.ParkingTicket parkingTicket)
{
if (parkingTicket == null || parkingTicket.ExpiringSoon) return;
var startDate = parkingTicket.UtcStart.ToLocalTime();
NSDate nsStartDate = startDate.AddMinutes(parkingTicket.Duration - 10).UtcDateTimeToNSDate();
var notification = new UILocalNotification
{
FireDate = nsStartDate,
TimeZone = null,
AlertAction = Resources.Strings.ExtendTicket,
AlertBody = string.Format
(Resources.Strings.FormattedExpiringMessage,
parkingTicket.TimeLeft.Description(false),
parkingTicket.Address,parkingTicket.Car.RegistrationNumber),
RepeatInterval = 0,
HasAction = true,
UserInfo = GetDictionaryFromParkingTicket(parkingTicket),
SoundName = UILocalNotification.DefaultSoundName,
ApplicationIconBadgeNumber = 1
};
UIApplication.SharedApplication.ScheduleLocalNotification(notification);
}
public static NSDate UtcDateTimeToNSDate(this DateTime utcDateTime)
{
var reference = new DateTime(2001, 1, 1, 0, 0, 0);
return NSDate.FromTimeIntervalSinceReferenceDate((utcDateTime - reference).TotalSeconds);
}
我尝试过使用TimeZone=NSTimeZone.LocalTimeZone。您正在将UTC日期转换为本地日期:
var startDate = parkingTicket.UtcStart.ToLocalTime ();
然后将本地日期视为UTC日期,从而进行两次转换:
NSDate nsStartDate = startDate.AddMinutes(parkingTicket.Duration - 10).UtcDateTimeToNSDate();
只需这样做:
var startDate = parkingTicket.UtcStart;
var nsStartDate = (NSDate) startDate.AddMinutes (parkingTicket.Duration - 10);
明确的NSDate转换将做正确的事情。谢谢你,这是个愚蠢的错误。看着它太久了。他很有魅力。我也不知道为什么我认为我需要一个扩展方法来进行转换:-)