Creating context menus

A context menu is a pop-up menu used to display actions that the developer anticipates the user might want to take. SwiftUI context menus are triggered using 3D Touch on iOS and a right-click on macOS.

Context menus consist of a collection of buttons displayed horizontally in an implicit HStack.

In this recipe, we will create a context menu to change the color of an SF symbol.

Getting ready

Create a new SwiftUI project named DisplayingContextMenus.

How to do it

We will display a light bulb in our view and change its color using a context menu. To achieve this, we'll need to create an @State variable to hold the current color of the bulb and change its value within the context menu. The steps are as follows:

1. Just above the body variable in ContentView.swift, add an @State variable to hold the color of the bulb. Initialize it to red:

   @State private var bulbColor = Color.red

2. Within the body variable, change the Text struct to an...