実装
iOS17から実装可能らしい
import SwiftUI
enum ContentUnavailableType: String, CaseIterable, Identifiable {
case simple
case withText
case withSpecificText
case withButton
var id: String { self.rawValue }
}
struct HomeView: View {
@State private var selectedContentUnavailableType: ContentUnavailableType = .simple
var body: some View {
VStack {
Picker("Select Type", selection: $selectedContentUnavailableType) {
Text("シンプル").tag(ContentUnavailableType.simple)
Text("テキスト").tag(ContentUnavailableType.withText)
Text("特定テキスト").tag(ContentUnavailableType.withSpecificText)
Text("ボタン").tag(ContentUnavailableType.withButton)
}
.pickerStyle(SegmentedPickerStyle())
.padding()
Spacer()
switch selectedContentUnavailableType {
case .simple:
ContentUnavailableView.search
case .withText:
ContentUnavailableView(
"No Connection",
systemImage: "wifi.slash",
description: Text("Please check your internet connection")
)
case .withSpecificText:
ContentUnavailableView.search(text: "Titanic")
case .withButton:
ContentUnavailableView {
Image(systemName: "wifi.slash")
} description: {
Text("Please check your internet connection")
} actions: {
Button("Try Again") {
Logger.info("Try Again")
}
}
}
Spacer()
}
.navigationTitle("Content Unavailable Types")
.padding()
}
}