全画面表示されるモーダルビュー fullScreenCoverの使い方

import SwiftUI

struct fullScreenCoverSmp: View {
    @State private var showingModal = false
    @State private var count = 0
    var body: some View {
        Button("Show Full Screen") {
            showingModal = true
        }
        .fullScreenCover(isPresented: $showingModal, onDismiss: {
            // 閉じる時のアクション
            count += 1
        }) {
            // モーダルに表示するビュー
            Text("This is a modal view.")
                .presentationCompactAdaptation(.none)
            // モーダルビューを閉じるボタン
            Button(action: {
                showingModal = false
            }) {
                Label("Close", systemImage: "xmark.circle.fill")
                    .labelStyle(.iconOnly)
            }
            
        }
        Text("Close Count:\(count)")
    }
}

import SwiftUI

struct fullScreenCoverSmp: View {
    @State private var selectedUser: fullScreenCoverUser? = nil
    let users = [fullScreenCoverUser(name: "Alice"), fullScreenCoverUser(name: "Bob")]
    @State private var count = 0
    
    var body: some View {
        List(users) { user in
            Button(user.name) {
                selectedUser = user
            }
        }
        .fullScreenCover(item: $selectedUser,onDismiss: didDismiss) { selecteduser in
            fullScreenCoverDetailSmp(user: selecteduser)
        }
        
        Text("\(count)")
    }
    func didDismiss() {
        // 画面を閉じた時のアクション
        count += 1
    }
}

struct fullScreenCoverUser: Identifiable {
    let id = UUID()
    let name: String
}

struct fullScreenCoverDetailSmp: View {
    @Environment(\.dismiss) var dismiss
    let user: fullScreenCoverUser
    
    var body: some View {
        Text("Hello, \(user.name)!")
        Button("Close") {
            dismiss()
        }
    }
}