UIPickerView

UIKitBoostCourse.xcodeproj/project.pbxproj

@@ -7,6 +7,7 @@
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@@ -138,6 +140,7 @@
 				1C5004322AAAB4B300DBE27E /* UIColorWell.swift */,
 				D87BE9432AC8506F003CD151 /* UISearchField.swift */,
 				1C7E9A032AC06BDA00C808FE /* UIStepper.swift */,
+				1B7E2D3C2AD296B200E954E5 /* UIPickerView.swift */,
 			);
 			path = UIControl;
 			sourceTree = "<group>";
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 				1CCBC1172AC9671D00B261CF /* UIStackView+AddArrangedSubviews.swift in Sources */,
 				1C98C6412AA48D9D0029AAAA /* AppDelegate.swift in Sources */,
 				1C5004332AAAB4B300DBE27E /* UIColorWell.swift in Sources */,

UIKitBoostCourse/Source/UIControl/UIPickerView.swift

@@ -0,0 +1,106 @@
+//
+//  UIPickerView.swift
+//  UIKitBoostCourse
+//
+//  Created by t2023-m0080 on 2023/10/08.
+//
+
+import UIKit
+import SwiftUI
+
+class UIPickerViewController : BaseUIViewController {
+
+    // 첫 번째 컴포넌트에 표시될 데이터
+    let data1 = ["1번 항목", "2번 항목", "3번 항목"]
+
+    // 두 번째 컴포넌트에 표시될 데이터
+    let data2 = ["string형식은", "다 가능✅", "합니다", "짠" ]
+
+
+    // UIPickerView 인스턴스 생성 및 설정
+    lazy var picker: UIPickerView = {
+        let p = UIPickerView()
+        p.dataSource = self // 데이터 소스 지정
+        p.delegate = self // 델리게이트 지정
+        p.translatesAutoresizingMaskIntoConstraints = false
+        return p
+    }()
+
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+
+        setUI()
+    }
+
+
+    override func setUI() {
+        self.view.backgroundColor = .white
+        self.view.addSubview(picker)
+
+        NSLayoutConstraint.activate([
+            picker.centerXAnchor.constraint(equalTo: self.view.centerXAnchor),
+            picker.centerYAnchor.constraint(equalTo: self.view.centerYAnchor),
+            picker.widthAnchor.constraint(equalToConstant: 300),
+            picker.heightAnchor.constraint(equalToConstant: 200)
+        ])
+    }
+}
+
+
+// UIPickerViewDataSource extension
+extension UIPickerViewController: UIPickerViewDataSource {
+    // 컴포넌트(열)의 수 반환
+    func numberOfComponents(in pickerView: UIPickerView) -> Int {
+        return 2
+    }
+
+    // 각 컴포넌트에서 표시될 행의 수 반환
+    func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
+        switch component {
+        case 0:
+            return data1.count
+        case 1:
+            return data2.count
+        default:
+            return 0
+        }
+    }
+}
+
+
+// UIPickerViewDelegate extension
+extension UIPickerViewController: UIPickerViewDelegate {
+    func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
+        switch component {
+        // 각 행에 표시될 문자열 반환
+        case 0:
+            return data1[row]
+        case 1:
+            return data2[row]
+        default:
+            return nil
+        }
+    }
+}
+
+
+// 프리뷰
+private struct UIViewControllerRepresenter: UIViewControllerRepresentable {
+
+    let viewController: UIViewController
+
+    func makeUIViewController(context: Context) -> UIViewController {
+        return viewController
+    }
+
+    func updateUIViewController(_ uiViewController: UIViewController, context: Context) {}
+}
+
+struct UIViewControllerPreview4: PreviewProvider {
+
+    static var previews: some View {
+        let viewController = UIPickerViewController()
+        return UIViewControllerRepresenter(viewController: viewController)
+    }
+}