Custom tab bar swift ios

class CustomTabBarController: UITabBarController {


    override func viewDidLoad() {
        super.viewDidLoad()

        let controller1 = UIViewController()
        controller1.tabBarItem = UITabBarItem(tabBarSystemItem: .contacts, tag: 1)
        let nav1 = UINavigationController(rootViewController: controller1)

        let controller2 = UIViewController()
        controller2.tabBarItem = UITabBarItem(tabBarSystemItem: .contacts, tag: 2)
        let nav2 = UINavigationController(rootViewController: controller2)

        let controller3 = UIViewController()
        let nav3 = UINavigationController(rootViewController: controller3)
        nav3.title = ""

        let controller4 = UIViewController()
        controller4.tabBarItem = UITabBarItem(tabBarSystemItem: .contacts, tag: 4)
        let nav4 = UINavigationController(rootViewController: controller4)

        let controller5 = UIViewController()
        controller5.tabBarItem = UITabBarItem(tabBarSystemItem: .contacts, tag: 5)
        let nav5 = UINavigationController(rootViewController: controller5)

        viewControllers = [nav1, nav2, nav3, nav4, nav5]
        setupMiddleButton()  
    }

    func setupMiddleButton() {
        let menuButton = UIButton(frame: CGRect(x: 0, y: 0, width: 64, height: 64))
        var menuButtonFrame = menuButton.frame
        menuButtonFrame.origin.y = view.bounds.height - menuButtonFrame.height - 50
        menuButtonFrame.origin.x = view.bounds.width/2 - menuButtonFrame.size.width/2
        menuButton.frame = menuButtonFrame

        menuButton.backgroundColor = UIColor.red
        menuButton.layer.cornerRadius = menuButtonFrame.height/2
        view.addSubview(menuButton)

        menuButton.setImage(UIImage(named: "example"), for: .normal)
        menuButton.addTarget(self, action: #selector(menuButtonAction(sender:)), for: .touchUpInside)

        view.layoutIfNeeded()
    }


    // MARK: - Actions

    @objc private func menuButtonAction(sender: UIButton) {
        selectedIndex = 2
    }

}

Source: stackoverflow.com

Similar codes

0 vote385 views1 answer
How to remove item from list swift
Swift
0 vote378 views1 answer
PDF Preview in Swift iOS
Swift
0 vote350 views1 answer
Swift get all cases starting with
Swift
0 vote383 views1 answer
Ios network request
Swift
0 vote377 views1 answer
Loop backwards swift
Swift
2 votes395 views1 answer
Dark mode change immediately swift
Swift
1 vote381 views1 answer
Swiftui play mp3
Swift
0 vote395 views1 answer
Swift wait until condition is true
Swift
0 vote380 views1 answer
Swift uilabel font bold
Swift
1 vote376 views1 answer
How to add button dynamically in swift 4
Swift