Updating a nested view in SwiftUI UIViewRepresentable

nonameplum · October 28, 2022, 9:19am

You need to update the UIHostingController's rootView.

igmyung · May 3, 2023, 1:52pm

gist.github.com

https://gist.github.com/igmyung/854a717f24c791e96540587db49bd1a6

UIParentView.swift

import SwiftUI

struct ContentView: View {
    @State private var toggle = false
    
    var body: some View {
        CustomParentView {
            Button {
                toggle.toggle()
            } label: {

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dz902 · April 12, 2024, 4:31am

Sorry to bump this. I'm running into the same problem but the only thing is that the dimensions of the child view is not updating, other properties updates ok. Do we need special treatment to update the child view with frame()?

John_McCall · April 12, 2024, 5:47am

I left this around originally because I didn't see it before it had been answered, but this kind of question really ought to be asked over at the Apple developer forums, since it's just about Apple's SwiftUI platform framework and not Swift in general.