SwiftUIでdelegateを使用する
SwiftUIでdelegateを使用する方法です。
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| import SwiftUI | |
| struct ContentView: View, MyProtocol { | |
| @State var text: String = "My Text" | |
| var body: some View { | |
| NavigationView { | |
| VStack { | |
| Text(text) | |
| NavigationLink(destination: SecondView(delegate: self)) { | |
| Text("2nd View") | |
| } | |
| } | |
| } | |
| } | |
| func myFunc() { | |
| text = "Changed Text" | |
| } | |
| } |
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| import SwiftUI | |
| protocol MyProtocol { | |
| func myFunc() | |
| } | |
| struct SecondView: View { | |
| var delegate: MyProtocol | |
| var body: some View { | |
| Button(action: { | |
| self.delegate.myFunc() | |
| }) { | |
| Text("ChangeText") | |
| } | |
| } | |
| } |