SwiftUI View Portrait mode lock

SwiftUI View Portrait mode lock

ContentView.swift

 
//
//  ContentView.swift
//  Test
//
//  Created by Cairocoders
//

import SwiftUI

struct ContentView: View {
    var body: some View {
        ZStack {
            NavigationView {
                VStack {
                    Text("View Portrait mode lock!")
                        .padding()
                    
                    HStack {
                        Image("photo1")
                            .resizable()
                    }
                    .frame(width: 250, height: 400)
                    .cornerRadius(20)
                }
                .navigationTitle("Portrait Mode")
                .navigationBarTitleDisplayMode(.inline)
            }
        }.onAppear {
            UIDevice.current.setValue(UIInterfaceOrientation.portrait.rawValue, forKey: "orientation") // Forcing the rotation to portrait
            AppDelegate.orientationLock = .portrait // And making sure it stays that way
        }.onDisappear {
            AppDelegate.orientationLock = .all // Unlocking the rotation when leaving the view
        }
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}

TestApp.swift

 
//
//  TestApp.swift
//  Test
//
//  Created by Cairocoders
//

import SwiftUI

@main
struct TestApp: App {
    @UIApplicationDelegateAdaptor(AppDelegate.self) var appDelegate
    
    var body: some Scene {
        WindowGroup {
            ContentView()
        }
    }
}

class AppDelegate: NSObject, UIApplicationDelegate {
        
    static var orientationLock = UIInterfaceOrientationMask.all //By default you want all your views to rotate freely

    func application(_ application: UIApplication, supportedInterfaceOrientationsFor window: UIWindow?) -> UIInterfaceOrientationMask {
        return AppDelegate.orientationLock
    }
}