iPhone Duo SwiftUI examples

Explore SwiftUI APIs, components, and modifiers on iPhone Duo. Compare portrait and landscape layouts in closed, partially open, and fully open states, with Swift code and Apple documentation.

Toolbars

Prefer Vertical Toolbar Items

A compression behavior that prioritizes keeping toolbar items visible over other elements, such as tabs. By default, tabs are prioritized.

Explore Prefer Vertical Toolbar Items on iPhone Duo in portrait and landscape across closed, partially open, and fully open states, with SwiftUI code and Apple API documentation.

SwiftUI code

Full details Docs 
TabView {
    Tab("A", systemImage: "a.square") {
        NavigationStack {
            Text("FooBar")
                .toolbar {
                    ToolbarItem {
                        Button("1", systemImage: "1.circle", action: action)
                    }
                    ToolbarItem {
                        Button("2", systemImage: "2.circle", action: action)
                    }
                    ToolbarItem {
                        Button("3", systemImage: "3.circle", action: action)
                    }
                    ToolbarItem {
                        Button("4", systemImage: "4.circle", action: action)
                    }
                    ToolbarItem {
                        Button("5", systemImage: "5.circle", action: action)
                    }
                }
                .toolbarVerticalCompressionBehavior(.prefersToolbarItems)
            }
        }
    Tab("B", systemImage: "b.square") {}
    Tab("C", systemImage: "c.square") {}
    Tab("D", systemImage: "d.square") {}
    Tab("E", systemImage: "e.square") {}
    Tab("F", systemImage: "f.square") {}
}

Compatibility

iOS 27.1+ iPadOS 27.1+

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All variants

Every available iPhone Duo screenshot for Prefer Vertical Toolbar Items.

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