迅速代表?

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如何在 swift 中创建一个委托，即 NSUserNotificationCenterDelegate?

How does one go about making a delegate, i.e. NSUserNotificationCenterDelegate in swift?

推荐答案

它与 obj-c 并没有什么不同.首先，您必须在类声明中指定协议，如下所示:

It is not that different from obj-c. First, you have to specify the protocol in your class declaration, like following:

class MyClass: NSUserNotificationCenterDelegate

实现将如下所示:

// NSUserNotificationCenterDelegate implementation func userNotificationCenter(center: NSUserNotificationCenter, didDeliverNotification notification: NSUserNotification) { //implementation } func userNotificationCenter(center: NSUserNotificationCenter, didActivateNotification notification: NSUserNotification) { //implementation } func userNotificationCenter(center: NSUserNotificationCenter, shouldPresentNotification notification: NSUserNotification) -> Bool { //implementation return true }

当然，你必须设置委托.例如:

Of course, you have to set the delegate. For example:

NSUserNotificationCenter.defaultUserNotificationCenter().delegate = self;