问SWIFT2.0- NSMutableArray -删除对象

EN

var customViewUser: UIView?
var names:NSMutableArray = []

override func viewDidLoad() {
    super.viewDidLoad()
    // Do any additional setup after loading the view, typically from a nib.
    userNames()
    LoadUsers()
}

func userNames(){
    names = ["aaa", "bbb", "ccc", "ddd", "eee", "fff"]
}

func LoadUsers() {
    let countUsers = names.count

    print("\(countUsers) Users")
    for (index, _) in names.enumerate() {
        print("User n: \(index)")

        let userNameViewsY = CGFloat(index * 128)

        //FIRST USER VIEW
        customViewUser = UIView(frame: CGRectMake(0, userNameViewsY, self.view.frame.size.width, 128))
        customViewUser!.backgroundColor=UIColor.greenColor()
        customViewUser!.layer.borderColor = UIColor.lightGrayColor().CGColor
        customViewUser!.layer.borderWidth = 3
        customViewUser!.tag = index
        self.view.addSubview(customViewUser!)

        let customButtonDeleteVideoUser = UIButton(frame: CGRectMake(customViewUser!.frame.size.width - 200, 4, 100, 28))
        customButtonDeleteVideoUser.setTitleColor(UIColor.redColor(), forState: UIControlState.Normal)
        customButtonDeleteVideoUser.setTitle("Delete", forState: UIControlState.Normal)

        customButtonDeleteVideoUser.addTarget(self, action: "deleteButton:", forControlEvents:.TouchUpInside)
        customViewUser!.addSubview(customButtonDeleteVideoUser)
        // set tag
        customButtonDeleteVideoUser.tag = index
    }
}

func deleteButton(sender: UIButton) {
    let index = sender.tag

    print(" User \(index) selected")
    let CustomSubViews = self.view.subviews

    for subview in CustomSubViews {
        if subview.tag == index {
            print(subview.tag)

            if index >= 0  {
                subview.removeFromSuperview()

                names.removeObjectAtIndex(index)

                print(names)
                LoadUsers()
            }
        }

        subview.removeFromSuperview()
    }
}