2012-09-25 21 views

回答

34

知道了!

[tab.tabBarItem setTitlePositionAdjustment:UIOffsetMake(0, -10)]

+2

我想同樣的事情,但它不工作。我們還需要做其他什麼嗎? – Devang

+1

沒關係。你把它放在哪裏? –

+0

爲什麼(0,-10)?我不明白...你能解釋我嗎? – LKM

3

補充,如果你在tabBarController設置多viewControllers,你應該使用下列內容:

for (UITabBarItem* item in tabBarController.tabBar.items) 
{ 
    [item setTitlePositionAdjustment:UIOffsetMake(0, -10)]; 
} 
0

迅速更新。

func tabBarItem(title: String, imageName: String, selectedImageName: String, tagIndex: Int) -> UITabBarItem { 
     let item = UITabBarItem(title: title, 
           image: UIImage(named: imageName), 
           selectedImage: UIImage(named: selectedImageName)) 
     item.titlePositionAdjustment = UIOffset(horizontal:0, vertical:-10) 
     item.tag = tagIndex 
     return item 
    } 

//例如

let window = UIWindow.window() 
let vc = UIViewController() 
vc.tabBarItem = tabBarItem(title: "More", imageName: "icon_more", selectedImageName: "icon_more", tagIndex: 1) 


let mainTBC = UITabBarController() 
    mainTBC.viewControllers = [vc] 
window?.rootViewController = mainTBC 
window?.makeKeyAndVisible()