我使用addobserver API接收通知:
NSNotificationCenter.defaultCenter().addobserver(self,selector: "methodoFReceivednotication:",name:"NotificationIdentifier",object: nil)
我的方法是:
func methodoFReceivednotication(notification: NSNotification){ //Action take on Notification }
是的,它的作品!
但是当我将方法methodoFReceivednotication更改为private时:
private func methodoFReceivednotication(notification: NSNotification){ //Action take on Notification }
xCode向我发送错误:无法识别的选择器发送到实例
当目标是自我时,如何调用私有方法?我不想将methodoFReceivednotication方法暴露给任何其他方法.
解决方法
只需使用动态修饰符标记它,或在方法声明中使用@objc属性
dynamic private func methodoFReceivednotication(notification: NSNotification){ //Action take on Notification }
要么
@objc private func methodoFReceivednotication(notification: NSNotification){ //Action take on Notification }