Swift-在用户选择的时间推送通知

如何使用日期选择器让用户选择时间，然后向用户发送本地通知？

以下是一个简单的代码，用于在swift中安排本地通知：

let calendar: NSCalendar = NSCalendar.currentCalendar()

let fireDateOfNotification: NSDate = //The date which was picked from the picker

var notification = UILocalNotification()
notification.timeZone = NSTimeZone.localTimeZone()
notification.alertBody = "ALERT STRING"
notification.soundName = UILocalNotificationDefaultSoundName
notification.fireDate = fireDateOfNotification
notification.userInfo = ["UUID": "NotificationID"] //id for the local notification in case you want to cancel it

UIApplication.sharedApplication().scheduleLocalNotification(notification)

如果要取消本地通知，应使用以下功能：

func cancelLocalNotificationsWithUUID(uuid: Int) {
        for item in UIApplication.sharedApplication().scheduledLocalNotifications {
            let notification = item as! UILocalNotification
            if let notificationUUID = notification.userInfo?["UUID"] as? Int {

                if notificationUUID == uuid {
                    UIApplication.sharedApplication().cancelLocalNotification(notification)
                }

            }
        }
    }

我希望这能有所帮助。

这个问题对于堆栈溢出的格式来说太宽了。你是在尝试。这里至少有两个问题。如何让用户使用日期选择器选择日期时间并将其保存为日期对象？如何在特定日期和时间发送本地通知？