SwiftUIでPicker を表示する
SwiftUI で Picker を表示するサンプルです。 複数行の場合はこちらです。 SwiftUIで複数行のPickerを作成する
参考: Is there a way to call a function when a SwiftUI Picker selection changes?
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| import SwiftUI | |
| struct ContentView: View { | |
| var pokemons = ["Snorlax", "Pikachu", "Slowpoke", "Meowth"] | |
| @State private var selectedPokemon = 0 | |
| var body: some View { | |
| Picker("Pokemon", selection: $selectedPokemon) { | |
| ForEach(0 ..< pokemons.count) { | |
| Text(self.pokemons[$0]) | |
| } | |
| }.pickerStyle(WheelPickerStyle()) | |
| .onReceive([self.selectedPokemon].publisher.first()) { (value) in | |
| print("selectedPokemon: \(value)") | |
| print(self.pokemons[value]) | |
| } | |
| } | |
| } | |
| struct ContentView_Previews: PreviewProvider { | |
| static var previews: some View { | |
| ContentView() | |
| } | |
| } |