我有一台向我发送推送通知的服务器，假设我的手机上有5条通知。如果我打开其中一个，所有其他通知都会消失。我只希望单击一个消失。

这是我处理接收通知的方式：

func application(application: UIApplication, didReceiveRemoteNotification userInfo: [NSObject : AnyObject], fetchCompletionHandler completionHandler: (UIBackgroundFetchResult) -> Void) {

    if ( application.applicationState == UIApplicationState.Inactive || application.applicationState == UIApplicationState.Background  )
    {
        // navigating user to a view controller
    }
    application.applicationIconBadgeNumber = 0
}