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I’m building a Files-style SwiftUI app and my primary goal is to adopt both:

  • NavigationSplitView on wider (regular) widths (iPad/macOS), and

  • TabView + NavigationStack on narrow (compact) widths (iPhone),

—so that the app feels native on any device.

Beyond simply swapping containers, I need two key behaviors:

  1. Completely remove the tab bar when in regular width (so no tab bar floating above the app).

  2. Preserve the full navigation hierarchy across size-class changes — for example, if the user drills into Browse → Documents → MyFolder → FileInfo on iPad, then rotates or switches to iPhone width, the compact stack should land directly in FileInfo with its back-button chain intact, and vice versa.

This kind of visual structure is present in 'Files', 'Shortcuts', 'Health' app. Any insights? Thanks!

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I tried to wrap NavigationSplitView() within TabView() but I was unable to hide the TabView on .regular horizontalClassSize (i.e. wider width view).

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    Isn't that just a TabView with .sidebarAdaptable style? There is no NavigationSplitView. Commented Jun 13 at 16:03
  • Fair point. I want to adopt multi-pane navigation for iPad. If I adopt TabView I can no longer implement NavigationSplitView as that would mean I will have 2 sidebars. Commented Jun 13 at 19:26
  • TabView goes multipane on iPad Commented Jun 13 at 20:59
  • @malhal I'm looking for multipane for the content/detail view, not just only the sidebar Commented Jun 13 at 21:56
  • How about .inspector for the detail? That’s a pane in regular and sheet in compact. Commented Jun 14 at 5:45

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If you use tabViewStyle(_:) with .sidebarAdaptable, your app can show both a sidebar and a tab bar depending on the platform.

import SwiftUI

struct SidebarAdaptableView: View {
    var body: some View {
        TabView {
            Tab("Home", systemImage: "house") {
                Text("My Works")
            }

            Tab("Library", systemImage: "books.vertical") {
                Text("All Books")
            }

            Tab("Search", systemImage: "magnifyingglass") {
                Text("Search Books")
            }

            Tab("Profile", systemImage: "person") {
                Text("My Profile")
            }
        }
        // Apply the sidebarAdaptable style
        .tabViewStyle(.sidebarAdaptable)
    }
}

sidebarAdaptable

A tab bar style that adapts to each platform.

Tab views using the sidebar adaptable style have an appearance that varies depending on the platform:

  • iPadOS displays a top tab bar that can adapt into a sidebar.
  • iOS displays a bottom tab bar.
  • macOS and tvOS always show a sidebar.
  • visionOS shows an ornament and also shows a sidebar for secondary tabs within a TabSection.

To apply this style to a tab view, or to a view that contains tab views, use the tabViewStyle(_:) modifier.

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