How to show a menu when a button is pressed
Updated for Xcode 13.2
Updated in iOS 15
SwiftUI gives us a dedicated view for showing popup menus from buttons, helpfully called Menu. This can be created from a simple string or using a custom view, but either way you get to send in a variety of buttons to control what you want to appear in the menu.
Tip: On macOS, Menu is automatically rendered as a pulldown button.
For example, we could create a simple button with several options like this:
struct ContentView: View {
var body: some View {
Menu("Options") {
Button("Order Now", action: placeOrder)
Button("Adjust Order", action: adjustOrder)
Button("Cancel", action: cancelOrder)
}
}
func placeOrder() { }
func adjustOrder() { }
func cancelOrder() { }
}
Download this as an Xcode project
You can also place menus inside menus if you want, which will cause iOS to reveal the second menu when the first option is tapped:
struct ContentView: View {
var body: some View {
Menu("Options") {
Button("Order Now", action: placeOrder)
Button("Adjust Order", action: adjustOrder)
Menu("Advanced") {
Button("Rename", action: rename)
Button("Delay", action: delay)
}
Button("Cancel", action: cancelOrder)
}
}
func placeOrder() { }
func adjustOrder() { }
func rename() { }
func delay() { }
func cancelOrder() { }
} Download this as an Xcode project
If you wanted a customized label using some text and an icon, you could use this:
struct ContentView: View {
var body: some View {
Menu {
Button("Order Now", action: placeOrder)
Button("Adjust Order", action: adjustOrder)
} label: {
Label("Options", systemImage: "paperplane")
}
}
func placeOrder() { }
func adjustOrder() { }
} Download this as an Xcode project
Finally, in iOS 15 and later menus can also have a primary action, which is triggered when the menu’s button is tapped rather than held down – press and release to trigger the primary action, or hold down to get the full menu of options.
So, we could create a menu that supports both simple taps as well as a full set of options:
struct ContentView: View {
var body: some View {
Menu("Options") {
Button("Order Now", action: placeOrder)
Button("Adjust Order", action: adjustOrder)
Button("Cancel", action: cancelOrder)
} primaryAction: {
justDoIt()
}
}
func justDoIt() {
print("Button was tapped")
}
func placeOrder() { }
func adjustOrder() { }
func cancelOrder() { }
} Download this as an Xcode project
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