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Thursday, September 29, 2022

[FIXED] How to change background color for tab in tvOS 13?

 September 29, 2022     tvos, tvos13, uitabbar, uitabbarcontroller, uitabbaritem     No comments   

Issue

enter image description hereTvOS 13. I have a UITabBarController with tabs. And can customize almost everything except this obvious thing: focused tab's background. It's always white. Guide tells

Specify tints for selected and unselected items

I tried:

view.backgroundColor = .purple
tabBar.tintColor = .yellow
tabBar.barTintColor = .red
tabBar.unselectedItemTintColor = .brown
tabBar.backgroundColor = .green
tabBar.backgroundImage = UIColor.blue.toImage()
tabBar.shadowImage = UIColor.orange.toImage()
tabBar.selectionIndicatorImage = UIColor.burgundy.toImage()

Nothing helped.


Solution

For @davidv and other folks, here is my solution:

extension UIView {
    func subviews<T:UIView>(ofType type: T.Type) -> [T] {
        var result = self.subviews.compactMap { $0 as? T }
        for sub in self.subviews {
            result.append(contentsOf: sub.subviews(ofType: type))
        }
        return result
    }
}

extension UIViewController {
    override func tabBar(_ tabBar: UITabBar, didSelect item: UITabBarItem) {
        // перекраска кнопки
        let allSubviews = tabBar.subviews(ofType: UIView.self)
        let whiteSubviews = allSubviews.filter { $0.backgroundColor == .white }
        for s in whiteSubviews {
            s.backgroundColor = .gold
        }
    }
}

UPDATE:

For coloring text:

item.setTitleTextAttributes([NSAttributedString.Key.font: font, NSAttributedString.Key.foregroundColor: colorSelected], for: [.focused])
item.setTitleTextAttributes([NSAttributedString.Key.font: font, NSAttributedString.Key.foregroundColor: colorSelected], for: [.highlighted])
item.setTitleTextAttributes([NSAttributedString.Key.font: font, NSAttributedString.Key.foregroundColor: colorUnselected], for: [.normal])

For coloring background:

tabBar.standardAppearance.selectionIndicatorTintColor = .gold


Answered By - Nike Kov
Answer Checked By - Robin (PHPFixing Admin)
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