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") | |
} | |
} | |
} |