Created
August 16, 2023 18:22
-
-
Save davidsteppenbeck/c70048d908d21ad728110d876ff5c10b to your computer and use it in GitHub Desktop.
Examples of applying `Bindable` from environment observables in SwiftUI views in iOS 17
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import SwiftUI | |
@Observable class ViewModel { | |
var isOn: Bool | |
var text: String | |
init(isOn: Bool = false, text: String = "default") { | |
self.isOn = isOn | |
self.text = text | |
} | |
} | |
struct StateView: View { | |
@State var model = ViewModel(isOn: true, text: "some model text") | |
var body: some View { | |
BindableModelView1().environment(model) | |
Divider() | |
BindableModelView2().environment(model) | |
} | |
} | |
struct BindableModelView1: View { | |
@Environment(ViewModel.self) var model | |
private var bindable: Bindable<ViewModel> { | |
Bindable(model) | |
} | |
var body: some View { | |
VStack { | |
Text("Bindable Model View 1").bold().foregroundStyle(Color.primary) | |
Text(model.text) | |
Text("on: \(model.isOn.description)") | |
Toggle("toggle", isOn: bindable.isOn) | |
TextField("text field", text: bindable.text) | |
} | |
.foregroundStyle(model.isOn ? .green : .red) | |
.padding() | |
} | |
} | |
struct BindableModelView2: View { | |
@Environment(ViewModel.self) var model | |
var body: some View { | |
VStack { | |
Text("Bindable Model View 2").bold().foregroundStyle(Color.primary) | |
Text(model.text) | |
Text("on: \(model.isOn.description)") | |
Toggle("toggle", isOn: Bindable(model).isOn) | |
TextField("text field", text: Bindable(model).text) | |
} | |
.foregroundStyle(model.isOn ? .green : .red) | |
.padding() | |
} | |
} | |
#Preview { | |
StateView() | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment