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How to create a toolbar and add buttons to it

Paul Hudson    @twostraws   

Updated for Xcode 13.0 beta 2

SwiftUI’s toolbar() modifier lets us place bar button items anywhere in the top or bottom space, but only when our view is embedded inside a NavigationView.

If you want to place buttons into a toolbar at the bottom of the screen, use toolbar() then create a ToolbarItem with the placement of .bottomBar, like this:

NavigationView {
    Text("Hello, World!").padding()
        .navigationTitle("SwiftUI")
        .toolbar {
            ToolbarItem(placement: .bottomBar) {
                Button("Press Me") {
                    print("Pressed")
                }
            }
        }
}

To get more than one button, use ToolbarItemGroup instead of a simple ToolbarItem, then place multiple buttons inside there:

NavigationView {
    Text("Hello, World!").padding()
        .navigationTitle("SwiftUI")
        .toolbar {
            ToolbarItemGroup(placement: .bottomBar) {
                Button("First") {
                    print("Pressed")
                }

                Button("Second") {
                    print("Pressed")
                }
            }
        }
}

If you want to separate buttons inside a ToolbarItemGroup, add a spacer view wherever you want it. For example, this will place one button on the left edge of the toolbar, and one on the right edge:

NavigationView {
    Text("Hello, World!").padding()
        .navigationTitle("SwiftUI")
        .toolbar {
            ToolbarItemGroup(placement: .bottomBar) {
                Button("First") {
                    print("Pressed")
                }

                Spacer()

                Button("Second") {
                    print("Pressed")
                }
            }
        }
}
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