使用 Swift 更改 BarButtonItem 字体 (Xcode 6)

Question

我在添加到导航控制器的 BarButtonItem 的 swift Xcode 项目中更改字体时遇到问题。我能够毫无问题地更改按钮的颜色，但字体不会改变。法典：

var navTextColor = UIColor(red:0.3, green:0.09, blue:0.05, alpha:1.0)
self.navigationController?.navigationBar.tintColor = navTextColor

Answer 1

如果您创建并输出(例如 @IBOutlet var barButton: UIBarButtonItem! ( 链接到您的UIBarButtonItem，您应该能够通过使用插座上的setTitleTextAttributes来更改字体类型。

barButton.setTitleTextAttributes([ NSFontAttributeName: UIFont(name: "Arial", size: 12)!], forState: UIControlState.Normal)

雨燕3

barButton.setTitleTextAttributes([ NSFontAttributeName: UIFont(name: "Arial", size: 12)!], for: UIControlState.normal)

Answer 2

Swift 3

更改所有TabBarItem字体的另一种简单方法是在UITabBarController ViewDidLoad()使用此代码：(无需创建插座(

UITabBarItem.appearance().setTitleTextAttributes([NSFontAttributeName: UIFont(name: "IranSansMobile", size: 15)!], for: UIControlState.normal)

Answer 3

Swift 5

barButton.setTitleTextAttributes([ NSAttributedString.Key.font: UIFont(name: "Arial", size: 12)!], for: UIControl.State.normal)

Answer 4

UITabBarItem.appearance().setTitleTextAttributes([NSAttributedString.Key.font : UIFont(name: "Arial", size: 12)!], for: .normal)