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无论我将其设置为什么，我的重复间隔大约每 60 秒关闭一次。这是我的代码。此外，只要它每 60 秒重复一次，就会同时发出两个通知。为了阐明我想要做什么，我希望我的通知每周发出一次，以提醒我的 sprite kit 游戏的玩家回来玩。
let localNotification = UILocalNotification() // Creating an instance of the notification.
localNotification.alertTitle = "Title"
localNotification.alertBody = "Body"
localNotification.alertAction = "Launch"
localNotification.repeatInterval = .Hour
localNotification.timeZone = NSTimeZone.defaultTimeZone()
localNotification.soundName = UILocalNotificationDefaultSoundName // Use the default notification tone/ specify a file in the application bundle
localNotification.applicationIconBadgeNumber = 1 // Badge number to set on the application Icon.
localNotification.fireDate = NSDate(timeIntervalSinceNow: 5)
UIApplication.sharedApplication().scheduleLocalNotification(localNotification) // Scheduling the notification.