Created
June 7, 2019 00:03
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| import SwiftUI | |
| import Combine | |
| class MyDatabase: BindableObject { | |
| let didChange = PassthroughSubject<MyDatabase, Never>() | |
| var contacts: [Contact] = [ | |
| Contact(id: 1, name: "Anna"), Contact(id: 2, name: "Beto"), | |
| Contact(id: 3, name: "Jack"), Contact(id: 4, name: "Sam") | |
| ] { | |
| didSet { | |
| didChange.send(self) | |
| } | |
| } | |
| struct Contact { | |
| var id: Int | |
| var name: String | |
| } | |
| } | |
| struct ContactsList: View { | |
| @EnvironmentObject private var database: MyDatabase | |
| var body: some View { | |
| NavigationView { | |
| List($database.contacts.identified(by: \.value.id)) { contact in | |
| NavigationButton(destination: ContactDetail(contact: contact)) { | |
| Text(verbatim: contact.value.name) | |
| } | |
| } | |
| .navigationBarTitle(Text("Contacts")) | |
| } | |
| } | |
| } | |
| struct ContactDetail: View { | |
| @Binding var contact: MyDatabase.Contact | |
| var body: some View { | |
| VStack { | |
| TextField($contact[\.name]) | |
| .textFieldStyle(.roundedBorder) | |
| .font(.title) | |
| .padding() | |
| Spacer() | |
| } | |
| .navigationBarTitle(Text("Edit"), displayMode: .inline) | |
| } | |
| } |
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