为特定日期和时间设置本地通知 swift 3

Question

在我的应用程序中，我想添加本地通知。该场景将是用户可以 select 从周一到周日的任何时间和日期。例如，如果用户 select 的星期一、星期四和星期六作为日期和时间作为 11:00 下午，那么现在应该在 select 的所有日期和特定时间通知用户.

代码：

 let notification = UNMutableNotificationContent()
 notification.title = "Danger Will Robinson"
 notification.subtitle = "Something This Way Comes"
 notification.body = "I need to tell you something, but first read this."

 let notificationTrigger = UNTimeIntervalNotificationTrigger(timeInterval: 60, repeats: true)
 // let test = UNCalendarNotificationTrigger()
 let request = UNNotificationRequest(identifier: "notification1", content: notification, trigger: notificationTrigger)
 UNUserNotificationCenter.current().add(request, withCompletionHandler: nil)

我正在使用此代码，但它无法满足我的需要。

Answer 1

要获取在特定工作日的特定时间重复的本地通知，您可以使用 UNCalendarNotificationTrigger:

let notification = UNMutableNotificationContent()
notification.title = "Danger Will Robinson"
notification.subtitle = "Something This Way Comes"
notification.body = "I need to tell you something, but first read this."

// add notification for Mondays at 11:00 a.m.
var dateComponents = DateComponents()
dateComponents.weekday = 2
dateComponents.hour = 11
dateComponents.minute = 0
let notificationTrigger = UNCalendarNotificationTrigger(dateMatching: dateComponents, repeats: true)

let request = UNNotificationRequest(identifier: "notification1", content: notification, trigger: notificationTrigger)
UNUserNotificationCenter.current().add(request, withCompletionHandler: nil)

如果您想在周一、周四和周六在 11:00 收到通知，您需要添加 3 个单独的请求。为了能够删除它们，您必须跟踪标识符。

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