applicationdata-sample | ios-app-dev-memo

ApplicationData

定義

swift

import SwiftUI

@Observable
class ApplicationData: ObservableObject {
	var folderTreeUpdateID: UUID = UUID() // などなど
}

XxApp に追加

swift

import SwiftUI

@main
struct XxxxApp: App {
	@StateObject var appData = ApplicationData() // ← ★

    var body: some Scene {
        WindowGroup {
            ContentView()
        }
		.environmentObject(appData) // ← ★
    }
}

XxView で

swift

struct XxxView: View {
    @EnvironmentObject var appData: ApplicationData