保持UNNotificationContent几秒钟 [英] Keep UNNotificationContent some seconds

问题描述

我正在使用iOS 10的Swift 3开发一个应用程序.我已经完成了UNNotificationContent来模拟应用程序中的通话，但是在启动大约五秒钟后它消失了.在调用"过程中，我需要将其保留几秒钟.我想保留本地通知，直到调用removeAllPendingNotificationRequests方法.我可以吗?

I'm doing an app in Swift 3 for iOS 10. I have done an UNNotificationContent to simulate a call in my app but it disappears approximately five seconds after being launched. I need to keep it more seconds, while the "calling" is in process. I want to keep the local notification until I call the removeAllPendingNotificationRequests method. Can I do it?

现在这是我的代码:

let content = UNMutableNotificationContent()
content.body = "\(userName) is calling..."
content.sound = UNNotificationSound(named: "sound_call.wav")
content.badge = 1

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

谢谢！

推荐答案

无法控制通知在屏幕上停留多长时间.这是由系统控制的.

There's no way to control how long the notification stays on the screen. That's controlled by the system.

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