GonsiOS

func test() async { await withTaskGroup(of: Int.self) { taskGroup in [3,1,2].forEach { i in taskGroup.addTask { print("시작 \(i)") try? await Task.sleep(for: .seconds(i)) return i } } for await element in taskGroup { print("완료 \(element)") } } print("모두 완료")}Task { ..

1. 이미지에서 평균 색상 추출extension UIImage { // https://www.rudrank.com/exploring-core-graphics-extract-prominent-unique-colors-uiimage/ /// 이미지에서 대표 색상 추출 Extracts the most prominent and unique colors from the image. /// /// - Parameter numberOfColors: The number of prominent colors to extract (default is 1). /// - Returns: An array of UIColors representing the prominent colors. func ..

// https://developer.apple.com/documentation/swiftui/scrolltargetbehavior/viewaligned/// 다음 뷰 약간 보이는 페이징 스크롤struct ContentView: View { var items: [Color] = [.yellow, .green, .blue, .brown, .orange, .red] var body: some View { ScrollView(.horizontal) { LazyHStack(spacing: 20) { ForEach(items, id: \.self) { item in item ..