import SwiftUI struct ContentView: View { @State private var temperature: String = "__" @State private var windspeed: String = "__" @State private var showSheet = false var body: some View { VStack(spacing: 20) { Text("東京の現在天気") .font(.title) Text("気温: \(temperature)°C") Text("風速: \(windspeed)m/s") Button("天気を取得") { fetchWeather() } Button("詳細を表示(ボトムシート)") { showSheet = true } } .padding() .sheet(isPresented: $showSheet) { BottomSheetView( temperature: temperature, windspeed: windspeed ) .presentationDetents([.fraction(0.3), .medium, .large]) .presentationDragIndicator(.visible) } } func fetchWeather() { guard let url = URL(string: "https://api.open-meteo.com/v1/forecast?latitude=35.6895&longitude=139.6917¤t_weather=true") else { return } URLSession.shared.dataTask(with: url) { data, response, error in if let data = data { do { let decoded = try JSONDecoder().decode(WeatherResponse.self, from: data) DispatchQueue.main.async { self.temperature = String(decoded.current_weather.temperature) self.windspeed = String(decoded.current_weather.windspeed) } } catch { print("JSONデコードエラー: \(error)") } } else if let error = error { print("通信エラー: \(error)") } }.resume() } } struct BottomSheetView: View { let temperature: String let windspeed: String var body: some View { VStack(spacing: 16) { Text("詳細情報") .font(.title3) .bold() Text("気温: \(temperature)°C") Text("風速: \(windspeed)m/s") Text("データ提供: open-meteo.com") .font(.footnote) .foregroundColor(.gray) } .padding() } } struct WeatherResponse: Codable { struct CurrentWeather: Codable { let temperature: Double let windspeed: Double } let current_weather: CurrentWeather } struct ContentView_Previews: PreviewProvider { static var previews: some View { ContentView() } }
なるほど〜