22.2 State Binding

A state property is local to the view in which it is declared and any child views. Situations may occur, however, where a view contains one or more subviews which may also need access to the same state properties. Consider, for example, a situation whereby the Wi-Fi Image view in the above example has been extracted into a subview:

.

.

    VStack {

        Toggle(isOn: $wifiEnabled) {

            Text("Enable WiFi")

        }

        TextField("Enter user name", text: $userName)

        WifiImageView()

    }

}

.

.

struct WifiImageView: View {

 

    var body: some View {

        ...