iOS8在通知中心快速回复

 func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        
　　　　 //创建消息上添加的动作，以按钮的形式显示
        let acceptAction = UIMutableUserNotificationAction()
        acceptAction.title = "接受"
        acceptAction.identifier = "acceptIdentifier"
        acceptAction.activationMode = UIUserNotificationActivationMode.Foreground
        
        let rejectAction = UIMutableUserNotificationAction()
        rejectAction.title = "拒绝"
        rejectAction.identifier = "rejectIdentifier"
        rejectAction.activationMode = UIUserNotificationActivationMode.Background
        //需要解锁才能处理，如果activationMode = UIUserNotificationActivationMode.Background，则这个属性忽略
        rejectAction.authenticationRequired = true
        rejectAction.destructive = true
        
        //创建动作按钮的类别集合
        let category = UIMutableUserNotificationCategory()
        category.identifier = "alert"
        category.setActions([acceptAction, rejectAction], forContext: UIUserNotificationActionContext.Minimal)

       　 //创建UIUserNotificationSettings，并设置消息的显示类型

　　　　　　let notifSetting = UIUserNotificationSettings(forTypes: .Badge , categories: NSSet(object: category) as? Set<UIUserNotificationCategory>)

        //注册本地通知

       　 application.registerUserNotificationSettings(notifSetting)

　　　 　return true
 }