Difference Between navigationBarTitle and toolbarTitle in SwiftUI

Question

What is the difference between ①navigationBarTitleDisplayMode and ②toolbarTitleDisplayMode when using them with SwiftUI’s navigationTitle?

It appears that .inlineLarge only works with the latter (②), and the toolbarTitleMenu option for adding a Menu to the title also adopts the name of the latter (②), so I thought that Apple might be planning to transition from ① to ②. However, the API name for navigationTitle has remained the same, and no toolbarTitle API exists.

I am curious why Apple maintains these two APIs without deprecating one. If anyone has any insights or speculations, I would appreciate your thoughts. Is there a difference between these two codes that I may have overlooked?

struct ContentView: View {
    var body: some View {
        NavigationStack {
            Text("Hello, world!")
                .navigationTitle("Hello")
            //(1).navigationBarTitleDisplayMode(.inline)
            //(2).toolbarTitleDisplayMode(.inlineLarge)
        }
    }
}

Additionally, I wonder if this is related to the recent deprecation of navigationBarTitle.

nepheline · Accepted Answer · 2024-11-09 18:10:47Z

1

Why Apple has these two APIs:

navigationBar is iOS/iPad only and toolbar works on macOS (as well as both iOS/iPad). toolbar in SwiftUI is the way to go forward as navigationBar is being deprecated and toolbar works for all target development.

answered Nov 9, 2024 at 18:10

nepheline

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