Agora-Univeral-Links-App-Buttons.swift

var videoCallView: some View {
  VStack {
    HStack {
      Button {
        self.isShowingVideo = false
      } label: {
        Text("Exit")
          .padding().background(.gray).cornerRadius(3)
      }
      Spacer()
      Button {
        guard let channelName = channelName,
        let urlShare = URL(
          string: "https://example.com/join?channel=\(channelName)"
        ) else { return }
        let activityVC = UIActivityViewController(
          activityItems: [urlShare],
          applicationActivities: nil
        )
        let scenes = UIApplication.shared.connectedScenes
        guard let windowScene = scenes.first as? UIWindowScene,
        let window = windowScene.windows.first else { return }
        window.rootViewController?.present(activityVC, animated: true, completion: nil)
      } label: {
        Text("Share")
          .padding().background(.gray).cornerRadius(3)
      }
    }
    ContentView.agview
  }
}

Agora-Univeral-Links-App-Shell.swift

import SwiftUI
import AgoraRtcKit
import AgoraUIKit_iOS

struct ContentView: View {
  @State var channelName: String?
  @State var isShowingVideo: Bool = false

  var videoCallView: some View {
    VStack {
      HStack { /* Other buttons will be placed here */ }
      ContentView.agview
    }
  }
  static var agview: AgoraViewer = {
    AgoraViewer(
      connectionData: AgoraConnectionData(
        appId: <#Agora App Id#>, rtcToken: <#Agora Token#>
      ), style: .floating
    )
  }()

  var body: some View {
    NavigationView {
      ZStack {
        NavigationLink(
          destination: self.videoCallView
            .navigationBarHidden(true)
            .onAppear(perform: { /* appear action */ })
            .onDisappear(perform: { /* disappear action */ }),
          isActive: $isShowingVideo
        ) { EmptyView() }
        HStack {
          Button {
            self.channelName = "test"
            self.isShowingVideo = true
          } label: {
            Text("Create Channel")
            .padding().background(.green).cornerRadius(30)
          }
        }
      }
    }
  }
}