How to press and hold button in SwiftUI

Issue #929

We can use ButtonStyleConfiguration to detect isPressed state

struct RecordButton: View {
    var body: some View {
        Button {
        
        } label: {
            Image(systemSymbol: .micFill)
        }
        .buttonStyle(RecordButtonStyle())
    }
}

private struct RecordButtonStyle: ButtonStyle {
    func makeBody(configuration: Configuration) -> some View {
        configuration.label
            .background {
                if configuration.isPressed {
                    Circle()
                        .fill(Color.pink)
                        .frame(square: 30)
                }
            }
            .onChange(of: configuration.isPressed) { isPressed in
                print("isPressed", isPressed)
            }
    }
}

Alternatively, you can just use a DragGesture

Image(systemSymbol: .micFill)
    .foregroundStyle(.tint)
    .background {
        if isPressed {
            Circle()
                .fill(Color.pink.opacity(0.8))
                .frame(square: 50)
        }
    }
    .simultaneousGesture(
        DragGesture(minimumDistance: 0)
            .onChanged { _ in
                print("press")
            }
            .onEnded { _ in
                print("release")
            }
    )

We also use Button with LongPressGesture using its onEnded modifier to detect when holding begins

Button {
    print("end")
} label: {
    Image(systemSymbol: .micFill)
        .foregroundStyle(.tint)
        .background {
            if isPressed {
                Circle()
                    .fill(Color.pink.opacity(0.8))
                    .frame(square: 50)
            }
        }
}
.simultaneousGesture(
    LongPressGesture(minimumDuration: 0.1)
        .onEnded { _ in
            print("start")
        }
)