在swift中取消选择时，setTitleTextAttributes对UITabBarItem不起作用 [英] setTitleTextAttributes doesn't work for UITabBarItem when it is unselected in swift

问题描述

我正在尝试自定义 UITabBarController 。我把它嵌入在我的 UIViewController 中，我还为这个 UITabBarController 创建了一个类。

I am trying to custom my UITabBarController. I have it embedded in my UIViewController, I also created a class for this UITabBarController.

override func viewDidLoad() {
    super.viewDidLoad()

    //custom tab bar
    self.tabBar.barTintColor = UIColor(red: 0.0/255.0, green: 102.0/255.0, blue: 153.0/255.0, alpha: 1)
    self.tabBar.tintColor = UIColor(red: 171.0/255.0, green: 203.0/255.0, blue: 61.0/255.0, alpha: 1)
    self.tabBarItem.setTitleTextAttributes([NSForegroundColorAttributeName: UIColor.whiteColor()], forState:UIControlState.Normal)
    self.tabBarItem.setTitleTextAttributes([NSForegroundColorAttributeName: UIColor.whiteColor()], forState:UIControlState.Disabled)

    for item in self.tabBar.items as [UITabBarItem]
    {
        item.image = item.selectedImage.imageWithRenderingMode(UIImageRenderingMode.AlwaysOriginal)
    }


    // Do any additional setup after loading the view.
}

setTitleTextAttributes doesn' t对标签栏项目有任何影响。有人可以帮我找出错误的位置吗？

setTitleTextAttributes doesn't have any effects on the tab bar item. Can somebody please help me to find where the error is?

推荐答案

以下是适用于本案例的代码UITabBarController：

Here is the code that works in this case to put still in the UITabBarController:

override func viewDidLoad() {
super.viewDidLoad()

//custom tab bar
self.tabBar.barTintColor = UIColor(red: 0.0/255.0, green: 102.0/255.0, blue: 153.0/255.0, alpha: 1)
self.tabBar.tintColor = UIColor(red: 171.0/255.0, green: 203.0/255.0, blue: 61.0/255.0, alpha: 1)

for item in self.tabBar.items as [UITabBarItem]
{
    item.image = item.selectedImage.imageWithRenderingMode(UIImageRenderingMode.AlwaysOriginal)
item.setTitleTextAttributes([NSForegroundColorAttributeName: UIColor.whiteColor()], forState:UIControlState.Normal)
    item.setTitleTextAttributes([NSForegroundColorAttributeName: UIColor.whiteColor()], forState:UIControlState.Disabled)
    item.setTitleTextAttributes([NSForegroundColorAttributeName: UIColor(red: 171.0/255.0, green: 203.0/255.0, blue: 61.0/255.0, alpha: 1)], forState:UIControlState.Selected)
}
}

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