In the following playground test, when the button is clicked, the block make is executed and a new value is passed in, why is the @State property text in ChildView always the initial value of 0.
import PlaygroundSupport
import SwiftUI
struct ParentView: View {
@State var i: Int = 0
@State var make: (String) -> ChildView
var body: some View {
VStack {
make("\(i)")
Button {
i += 1
} label: {
Text("CLICK ME")
}
}
}
init(@ViewBuilder make: @escaping (String) -> ChildView) {
self.make = make
}
}
struct ChildView: View {
@State var text = ""
var body: some View {
Text(text)
}
}
struct ContentView: View {
var body: some View {
ParentView { str in
ChildView(text: str)
}
}
}
PlaygroundPage.current.setLiveView(ContentView())
Skifary
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