Swift 更改 UIBarButtonItem 在 UINavigationBar 中的位置

Question

我正在使用 y 位置低于默认值的项目自定义导航栏。我尝试了很多方法：

setBackButtonBackgroundVerticalPositionAdjustment:
设置CGRectOffset自定义视图
UIBarButtonItem.appearance().setTitlePositionAdjustment(UIOffset.init(horizontal: X, vertical: Y), forBarMetrics: UIBarMetrics.Default)

他们让物品出现在正确的位置，但是当我 clicked/touched 在它们上面时我无法触发任何动作。我想因为我没有接触酒吧物品，它们只是这些物品的外观/副本views/images。

谁能帮我解决这个问题？

我的代码：

let lblTitle = UILabel(frame: CGRectMake(0, 0, 100, 28))
            lblTitle.text = FMLStringLocale("APP_name")
            lblTitle.textColor = UIColor.whiteColor()
            lblTitle.font = ROBOTO_THIN_24
            lblTitle.textAlignment = NSTextAlignment.Left
            lblTitle.backgroundColor = UIColor.clearColor()
            lblTitle.transform = CGAffineTransformMakeTranslation(6, 11)

            let lblTitleContainer = UIView(frame: lblTitle.frame)
            lblTitleContainer.addSubview(lblTitle)
            let leftTitle = UIBarButtonItem(customView: lblTitleContainer)
            navigationItem.leftBarButtonItem = leftTitle

            let rightView = UIView(frame: CGRectMake(0, 0, 134, 22))
            rightView.backgroundColor = UIColor.whiteColor()
            rightView.transform = CGAffineTransformMakeTranslation(0, 18)

            let imvUSFlag = UIImageView(image: UIImage(named: "icon_us"))
            imvUSFlag.frame = CGRectMake(0, 0, 19, 13)
            imvUSFlag.transform = CGAffineTransformMakeTranslation(-2, 20)

            rightView.addSubview(imvUSFlag)

            let switcher = UISwitch(frame: CGRectMake(imvUSFlag.frame.maxX - 5, 12, 31, 16))
            switcher.setOn(false, animated: false)
            switcher.addTarget(self, action: Selector("tapToChangeLanguage:"), forControlEvents: UIControlEvents.ValueChanged)
            switcher.transform = CGAffineTransformMakeScale(0.5, 0.5)

//            let switchContainer = UIView(frame: switcher.frame)
//            switchContainer.addSubview(switcher)

            rightView.addSubview(switcher)

            let imvFRFlag = UIImageView(image: UIImage(named: "icon_france"))
            imvFRFlag.frame = CGRectMake(switcher.frame.maxX + 6, 0, 19, 14)
            imvFRFlag.transform = CGAffineTransformMakeTranslation(0, 20)

            rightView.addSubview(imvFRFlag)

            let btnMenu = UIButton()
            btnMenu.setImage(UIImage(named : "icon_menu"), forState: .Normal)
            btnMenu.frame = CGRectMake(imvFRFlag.frame.maxX + 30, 0, 23, 21)
            btnMenu.addTarget(self, action: "tapToMenu:", forControlEvents: UIControlEvents.TouchUpInside)
            btnMenu.transform = CGAffineTransformMakeTranslation(0, 18)

            rightView.addSubview(btnMenu)
            rightView.transform = CGAffineTransformMakeTranslation(0, 18)

            let rightViewItem = UIBarButtonItem(customView: rightView)

            navigationItem.rightBarButtonItem = rightViewItem

            navigationController?.navigationBar.barStyle = .BlackTranslucent
            navigationController?.navigationBar.setBackgroundImage(UIImage(), forBarMetrics: .Default)
            navigationController?.navigationBar.shadowImage = UIImage()

Answer 1

您无法点击按钮的原因 btnMenu 是因为您已将 btnMenu 置于其父视图的框架之外 rightView.父视图之外的子视图无法接收触摸。

Answer 2

终于，我解决了我的问题：

查看我的新代码：

let lblTitle = UILabel(frame: CGRectMake(7, 32, 100, 28))
            lblTitle.text = FMLStringLocale("APP_name")
            lblTitle.textColor = UIColor.whiteColor()
            lblTitle.font = ROBOTO_THIN_24
            lblTitle.textAlignment = NSTextAlignment.Left
            lblTitle.backgroundColor = UIColor.clearColor()

            let lblTitleContainer = UIView(frame: CGRectMake(0, 0, 100, 64))
//            lblTitleContainer.bounds = CGRectOffset(lblTitleContainer.bounds, -6, -32)
            lblTitleContainer.addSubview(lblTitle)

            let leftTitle = UIBarButtonItem(customView: lblTitleContainer)
            navigationItem.leftBarButtonItem = leftTitle

            let rightView = UIView(frame: CGRectMake(0, 0, 134, 64))
//            rightView.backgroundColor = UIColor.grayColor()
//            rightView.transform = CGAffineTransformMakeTranslation(0, 18)

            let imvUSFlag = UIImageView(image: UIImage(named: "icon_us"))
            imvUSFlag.frame = CGRectMake(0, 40, 18, 12)

            rightView.addSubview(imvUSFlag)

            let switcher = UISwitch(frame: CGRectMake(imvUSFlag.frame.maxX - 5, 32, 31, 16))
            switcher.setOn(false, animated: false)
            switcher.addTarget(self, action: Selector("tapToChangeLanguage:"), forControlEvents: UIControlEvents.ValueChanged)
            switcher.transform = CGAffineTransformMakeScale(0.5, 0.45)


            let switchContainer = UIView(frame: switcher.frame)
            switchContainer.addSubview(switcher)

            rightView.addSubview(switcher)

            let imvFRFlag = UIImageView(image: UIImage(named: "icon_france"))
            imvFRFlag.frame = CGRectMake(switcher.frame.maxX + 6, 40, 18, 12)

            rightView.addSubview(imvFRFlag)

            let btnMenu = UIButton()
            btnMenu.setImage(UIImage(named : "icon_menu"), forState: .Normal)
            btnMenu.frame = CGRectMake(imvFRFlag.frame.maxX + 30, 35, 23, 21)
            btnMenu.addTarget(self, action: "tapToMenu:", forControlEvents: UIControlEvents.TouchUpInside)

            rightView.addSubview(btnMenu)

            let rightViewItem = UIBarButtonItem(customView: rightView)

            navigationItem.rightBarButtonItem = rightViewItem

            navigationController?.navigationBar.barStyle = .BlackTranslucent
            navigationController?.navigationBar.setBackgroundImage(UIImage(), forBarMetrics: .Default)
            navigationController?.navigationBar.shadowImage = UIImage()

Swift 更改 UIBarButtonItem 在 UINavigationBar 中的位置

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