How to lock orientation of one view controller to portrait mode only in Swift

Question

Since my app got support for all orientation. I would like to lock only portrait mode to specific UIViewController.

e.g. assume it was Tabbed Application and when Si

Answer 1

Best Solution for lock and change orientation on portrait and landscape:

Watch this video on YouTube:

https://m.youtube.com/watch?v=4vRrHdBowyo

This tutorial is best and simple.

or use below code:

See this picture

// 1- in second viewcontroller we set landscapeleft and in first viewcontroller we set portrat:

// 2- if you use NavigationController, you should add extension

import UIKit

class SecondViewController: UIViewController {


    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        UIDevice.current.setValue(UIInterfaceOrientation.landscapeLeft.rawValue, forKey: "orientation")
    }

    override open var shouldAutorotate: Bool {
        return false
    }

    override open var supportedInterfaceOrientations: UIInterfaceOrientationMask {
        return .landscapeLeft
    }

    override var preferredInterfaceOrientationForPresentation: UIInterfaceOrientation {
        return .landscapeLeft
    }
    
    

    override func viewDidLoad() {
        super.viewDidLoad()
    }

//write The rest of your code in here


}

//if you use NavigationController, you should add this extension

extension UINavigationController {
    override open var supportedInterfaceOrientations: UIInterfaceOrientationMask {
        return topViewController?.supportedInterfaceOrientations ?? .allButUpsideDown
    
    }
}