画像版

Button(action: {
// Do something
}) {
Image(systemName: "pencil")
.frame(width: 60, height: 60)
.imageScale(.large)
.background(Color.green)
.foregroundColor(.white)
.clipShape(Circle())
}
Shape版

Button(action: {
// Do something
}) {
Circle()
.stroke(Color.gray, lineWidth: 2)
.frame(width: 20, height: 20)
}