更改 UIButton 标题导航栏的颜色

Question

当我创建我的导航栏时，我可以在左项、右项和标题视图中放置三个按钮，但只有左项和右项有动画，我无法更改标题的颜色按钮。

导航栏按钮的创建：

    self.navigationItem.leftBarButtonItem = UIBarButtonItem(title: "VOYAGE", style: UIBarButtonItemStyle.Plain, target: self, action: "goToPage1:")

    var buttonCenter = UIButton()
    buttonCenter.setTitle("PHOTOS", forState: .Normal)
    buttonCenter.setTitleColor(UIColor.whiteColor(), forState: .Normal)
    buttonCenter.addTarget(self, action: "goToPage2:", forControlEvents: .TouchUpInside)
    self.navigationItem.titleView = buttonCenter

    self.navigationItem.rightBarButtonItem = UIBarButtonItem(title: "SIGHTINGS", style: UIBarButtonItemStyle.Plain, target: self, action: "goToPage3:")

触摸按钮时颜色的变化：

函数 goToPage1 :

    self.navigationItem.leftBarButtonItem!.tintColor = UIColor(red: 174/255, green: 211/255, blue: 43/255, alpha: 1)
    self.navigationItem.titleView!.tintColor = UIColor.whiteColor()
    self.navigationItem.rightBarButtonItem!.tintColor = UIColor.whiteColor()

函数 goToPage2 :

    self.navigationItem.leftBarButtonItem!.tintColor = UIColor.whiteColor()
    self.navigationItem.titleView!.tintColor = UIColor(red: 174/255, green: 211/255, blue: 43/255, alpha: 1)
    self.navigationItem.rightBarButtonItem!.tintColor = UIColor.whiteColor()

函数 goToPage3 :

    self.navigationItem.leftBarButtonItem!.tintColor = UIColor.whiteColor()
    self.navigationItem.titleView!.tintColor = UIColor.whiteColor()
    self.navigationItem.rightBarButtonItem!.tintColor = UIColor(red: 174/255, green: 211/255, blue: 43/255, alpha: 1)

你对按钮的选择动画有想法吗？

感谢您的帮助。

Answer 1

您可以尝试以下步骤：

在main.storyboard中，对于每个视图，您可以在模拟指标部分将顶部栏的值更改为半透明导航栏
在创建按钮的导航项中添加
link 将 main.storyboard 中的按钮添加到您的文件中，并使用 self.yourButton.setTitleColor(UIColor.whiteColor(), forState: .Normal)

更改 UIButton 标题导航栏的颜色

Change color of the UIButton title navigation bar

uibutton

navigationbar

swift

ios8