Strange behavior of NavigationView() after rotate to landscape mode on iPhone 8

Question

Qwily OP

Created Jun ’20

Replies 2

Boosts 0

Participants 2

I found an interesting issue with NavigationView.

Here is the simple code:

import SwiftUI

struct ContentView: View {
    var body: some View {
        NavigationView {
            ZStack {
                Color(.lightGray)
                    .edgesIgnoringSafeArea(.all)

                Text("hello world")
            }
                .navigationBarTitle("", displayMode: .inline)
                .navigationBarItems(leading: Button(action: {
                    print("Edit button tapped")
                }, label: {
                    Text("Edit")
                }))
        }
            .navigationViewStyle(StackNavigationViewStyle())
    }
}

When I'm trying to run on iPhone 8 simulator in portrait mode and rotate to landscape I see something strange with position of NavigationView(). After the second rotate everything become as expected.

Looks like this is a bug in SDK.

Xcode 11.5

iOS 13.5

Any thoughts?

Thanks

Boost

Answer 1

Claude31 OP

Jun ’20

I see something strange with position of NavigationView()

What do you see ?

What did you expect ?

I just notice some delay to rotate the navigation Bar, so it appears on the left for half a second before showing on top.

You should test on a real device, to see if it is a simulator performance issue.

0

Answer 2

Qwily OP

Jun ’20

This forum does not accept my reply with a link to a screenshot.

I see that the whole navigation view and inner Hello world text using half of a screen on landscape mode instead of the whole screen. But after next rotate the issue disappears and everything looks good as expected.

Unfortunately I don't have a real device where I can reproduce that issue. Everything looks good on latest devices.
Also this issue does not appear if you remove .navigationBarItems() from the code.

0