A matter of state

This is intended as a convenient recap to give you a summary of all the ways SwiftUI allows you to share state.

SwiftUI offers various mechanisms to bind state changes to views, including @State, @Binding, @ObservedObject, @StateObject, and @EnvironmentObject (@Environment is used for system predefined values you want to observe). Let’s go over these mechanisms in more detail:

• @State: This property wrapper stores mutable state for a specific view. SwiftUI manages the storage and ensures that whenever the state changes, the view is re-displayed. It’s used for simple, private state management within a single view.

  Here’s an example:

  struct ContentView: View {
      @State private var isOn = false
      var body: some View {
          Toggle("Toggle", isOn: $isOn)
      }
  }

  The @State variable, isON, is bidirectionally bound to the value...