SwiftUIでボタンを押すとポップアップを表示する
SwiftUIでボタンを押すとポップアップを表示する方法です。 以下の例ではボタンを押すとアラート（中身はView）を表示しています。
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| import SwiftUI | |
| struct ContentView: View { | |
| @State var showingPopUp = false | |
| var body: some View { | |
| ZStack { | |
| Button(action: { | |
| withAnimation { | |
| showingPopUp = true | |
| } | |
| }, label: { | |
| Text("Tap Me!!") | |
| .padding() | |
| .background(Color.white) | |
| .cornerRadius(12) | |
| }) | |
| if showingPopUp { | |
| PopupView(isPresent: $showingPopUp) | |
| } | |
| } | |
| .frame(minWidth: 0, maxWidth: .infinity, minHeight: 0, maxHeight: .infinity) | |
| .background(Color.gray) | |
| .ignoresSafeArea() | |
| } | |
| } | |
| struct PopupView: View { | |
| @Binding var isPresent: Bool | |
| var body: some View { | |
| VStack(spacing: 12) { | |
| Text("Snorlax") | |
| .font(Font.system(size: 18).bold()) | |
| Image("icon") | |
| .resizable() | |
| .frame(width: 80, height: 80) | |
| Text("Snorlax (Japanese: カビゴン Kabigon) is a Normal-type Pokemon. Snorlax is most popular Pokemon.") | |
| .font(Font.system(size: 18)) | |
| Button(action: { | |
| withAnimation { | |
| isPresent = false | |
| } | |
| }, label: { | |
| Text("Close") | |
| }) | |
| } | |
| .frame(width: 280, alignment: .center) | |
| .padding() | |
| .background(Color.white) | |
| .cornerRadius(12) | |
| } | |
| } | |
| struct ContentView_Previews: PreviewProvider { | |
| static var previews: some View { | |
| ContentView() | |
| } | |
| } |