\ucd5c\uadfc \uba87 \ub144 \ub3d9\uc548 \uc560\ud50c\uc758 SwiftUI\ub294 \uc544\uc774\ud3f0 \uc571 \uac1c\ubc1c\uc758 \ud328\ub7ec\ub2e4\uc784\uc744 \ubcc0\ud654\uc2dc\ucf30\uc2b5\ub2c8\ub2e4. SwiftUI\ub294 \uc120\uc5b8\ud615 \ud504\ub85c\uadf8\ub798\ubc0d \ubc29\uc2dd\uc73c\ub85c, UI\ub97c \uad6c\uc131\ud558\ub294 \ubc29\uc2dd\uc774 \uc774\uc804\uc758 UIKit\uc758 imperative \ubc29\uc2dd\uacfc\ub294 \ub2e4\ub985\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 SwiftUI\uc758 \ud65c\uc6a9 \ubc29\ubc95\uacfc \ubdf0 \ucee8\ud2b8\ub864\ub7ec \uae30\ubc18\uc758 \uc571 \uac1c\ubc1c \ubc29\ubc95\uc744 \ube44\uad50\ud558\uba70, \uc2e4\uc81c \uc571\uc744 \ub9cc\ub4dc\ub294 \uacbd\ud5d8\uc744 \uacf5\uc720\ud558\uace0\uc790 \ud569\ub2c8\ub2e4.<\/p>\n
SwiftUI\ub294 2019\ub144 WWDC\uc5d0\uc11c \ucc98\uc74c \ubc1c\ud45c\ub41c \ucd5c\uc2e0 UI \ud504\ub808\uc784\uc6cc\ud06c\uc785\ub2c8\ub2e4. \uc774 \ud504\ub808\uc784\uc6cc\ud06c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ud2b9\uc9d5\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n
\uae30\uc874\uc5d0\ub294 UIKit \ud504\ub808\uc784\uc6cc\ud06c\ub97c \ud1b5\ud574 \ubdf0 \ucee8\ud2b8\ub864\ub7ec \uae30\ubc18\uc73c\ub85c \uc571\uc744 \uac1c\ubc1c\ud588\uc2b5\ub2c8\ub2e4. UIKit\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ubc29\uc2dd\uc73c\ub85c \uc571\uc744 \uad6c\uc131\ud569\ub2c8\ub2e4:<\/p>\n
\nclass MyViewController: UIViewController {\n override func viewDidLoad() {\n super.viewDidLoad()\n let label = UILabel()\n label.text = \"Hello, UIKit!\"\n label.frame = CGRect(x: 100, y: 100, width: 200, height: 50)\n view.addSubview(label)\n }\n}\n<\/code><\/pre>\n\ubc18\uba74\uc5d0 SwiftUI\uc5d0\uc11c\ub294 UI\ub97c \uad6c\uc131\ud558\ub294 \ubc29\uc2dd\uc774 \ub9e4\uc6b0 \ub2e4\ub985\ub2c8\ub2e4. SwiftUI\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uac04\ub2e8\ud569\ub2c8\ub2e4:<\/p>\n
\nstruct ContentView: View {\n var body: some View {\n Text(\"Hello, SwiftUI!\")\n .padding()\n }\n}\n<\/code><\/pre>\n3. SwiftUI\ub97c \uc0ac\uc6a9\ud55c \uac04\ub2e8\ud55c \uc571 \ub9cc\ub4e4\uae30<\/h2>\n
\uc774\uc81c SwiftUI\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac04\ub2e8\ud55c \uc571\uc744 \ub9cc\ub4e4\uc5b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \uc571\uc740 \uc0ac\uc6a9\uc790\uac00 \ubc84\ud2bc\uc744 \ud074\ub9ad\ud560 \ub54c\ub9c8\ub2e4 \uce74\uc6b4\ud2b8\uac00 \uc99d\uac00\ud558\ub294 \uae30\ub2a5\uc744 \uac00\uc9d1\ub2c8\ub2e4.<\/p>\n
3.1 \ud504\ub85c\uc81d\ud2b8 \uc124\uc815<\/h3>\n
Xcode\ub97c \uc2e4\ud589\ud558\uace0 \uc0c8\ub85c\uc6b4 SwiftUI \ud504\ub85c\uc81d\ud2b8\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc774\ub54c ‘App’ \ud15c\ud50c\ub9bf\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/p>\n
3.2 \uba54\uc778 \ubdf0 \uc791\uc131<\/h3>\n
ContentView.swift \ud30c\uc77c\uc744 \uc5f4\uace0 \ub2e4\uc74c \ucf54\ub4dc\ub97c \uc785\ub825\ud569\ub2c8\ub2e4:<\/p>\n
\nimport SwiftUI\n\nstruct ContentView: View {\n @State private var count = 0\n \n var body: some View {\n VStack {\n Text(\"Button tapped \\(count) times\")\n .padding()\n Button(action: {\n count += 1\n }) {\n Text(\"Tap me!\")\n }\n }\n }\n}\n\nstruct ContentView_Previews: PreviewProvider {\n static var previews: some View {\n ContentView()\n }\n}\n<\/code><\/pre>\n\uc774 \ucf54\ub4dc\uc5d0\uc11c\ub294 \uc0c1\ud0dc \ubcc0\uc218 `count`\ub97c \uc815\uc758\ud558\uace0, \ubc84\ud2bc\uc774 \ub20c\ub9b4 \ub54c\ub9c8\ub2e4 \uce74\uc6b4\ud2b8\ub97c \uc99d\uac00\uc2dc\ud0a4\ub294 \uae30\ub2a5\uc744 \uad6c\ud604\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n
4. UIKit\uc744 \uc0ac\uc6a9\ud55c \uc571 \ub9cc\ub4e4\uae30<\/h2>\n
\uc774\uc81c UIKit\uc744 \uc0ac\uc6a9\ud558\uc5ec \ube44\uc2b7\ud55c \uae30\ub2a5\uc758 \uc571\uc744 \ub9cc\ub4e4\uc5b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n
4.1 \ud504\ub85c\uc81d\ud2b8 \uc124\uc815<\/h3>\n
Xcode\ub97c \uc5f4\uace0 \uc0c8\ub85c\uc6b4 ‘Single View App’ \ud504\ub85c\uc81d\ud2b8\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n
4.2 \uba54\uc778 \ubdf0 \uc791\uc131<\/h3>\n
ViewController.swift \ud30c\uc77c\uc744 \uc5f4\uace0 \ub2e4\uc74c\uacfc \uac19\uc740 \ucf54\ub4dc\ub97c \uc785\ub825\ud569\ub2c8\ub2e4:<\/p>\n
\nimport UIKit\n\nclass ViewController: UIViewController {\n private var count = 0\n private let countLabel = UILabel()\n private let tapButton = UIButton(type: .system)\n\n override func viewDidLoad() {\n super.viewDidLoad()\n setupUI()\n }\n \n private func setupUI() {\n countLabel.text = \"Button tapped \\(count) times\"\n countLabel.translatesAutoresizingMaskIntoConstraints = false\n view.addSubview(countLabel)\n \n tapButton.setTitle(\"Tap me!\", for: .normal)\n tapButton.addTarget(self, action: #selector(buttonTapped), for: .touchUpInside)\n tapButton.translatesAutoresizingMaskIntoConstraints = false\n view.addSubview(tapButton)\n \n \/\/ Autolayout constraints\n NSLayoutConstraint.activate([\n countLabel.centerXAnchor.constraint(equalTo: view.centerXAnchor),\n countLabel.centerYAnchor.constraint(equalTo: view.centerYAnchor),\n tapButton.topAnchor.constraint(equalTo: countLabel.bottomAnchor, constant: 20),\n tapButton.centerXAnchor.constraint(equalTo: view.centerXAnchor)\n ])\n }\n\n @objc private func buttonTapped() {\n count += 1\n countLabel.text = \"Button tapped \\(count) times\"\n }\n}\n<\/code><\/pre>\nUIKit\uc5d0\uc11c\uc758 \uac1c\ubc1c\uc740 SwiftUI\uc5d0 \ube44\ud574 \uc880 \ub354 boilerplate code(\ub2e8\uc21c\ud55c \ucf54\ub4dc)\uac00 \ud544\uc694\ud558\uc9c0\ub9cc, \ubcf5\uc7a1\ud55c UI\ub97c \uad6c\uc131\ud560 \ub54c\uc5d0\ub294 \ub354 \ub9ce\uc740 \uc81c\uc5b4\uad8c\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n
5. \ubdf0 \ucee8\ud2b8\ub864\ub7ec\uc640 SwiftUI\uc758 \ud1b5\ud569<\/h2>\n
SwiftUI\ub294 \uae30\uc874\uc758 UIKit\uc640 \uc644\ubcbd\ud558\uac8c \ud1b5\ud569\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc989, UIKit\uc5d0\uc11c \ub9cc\ub4e0 \uc571\uc5d0 SwiftUI \ubdf0\ub97c \ucd94\uac00\ud558\uace0, SwiftUI \uc571\uc5d0\uc11c UIKit \ubdf0\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\nimport SwiftUI\n\nstruct UIKitView: UIViewControllerRepresentable {\n func makeUIViewController(context: Context) -> ViewController {\n return ViewController()\n }\n \n func updateUIViewController(_ uiViewController: ViewController, context: Context) {}\n}\n\nstruct ContentView: View {\n var body: some View {\n UIKitView()\n }\n}\n<\/code><\/pre>\n6. SwiftUI\uc758 \uc7a5\uc810\uacfc \ub2e8\uc810<\/h2>\n6.1 \uc7a5\uc810<\/h3>\n\n- \ucf54\ub4dc\uac00 \uac04\uacb0\ud558\uace0 \uc77d\uae30 \uc26c\uc6c0<\/li>\n
- UI\uc640 \ub370\uc774\ud130 \uc0c1\ud0dc\uc758 \uad00\uacc4\ub97c \uc9c1\uc811 \uad00\ub9ac \uac00\ub2a5<\/li>\n
- \ud568\uaed8 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \ub2e4\uc591\ud55c \ubdf0 \ucef4\ud3ec\ub10c\ud2b8 \uc81c\uacf5<\/li>\n<\/ul>\n
6.2 \ub2e8\uc810<\/h3>\n\n- SwiftUI\uc758 \uc77c\ubd80 \uae30\ub2a5\uc740 \uc544\uc9c1 \uc548\uc815\uc801\uc774\uc9c0 \uc54a\uc74c<\/li>\n
- UIKit\ubcf4\ub2e4 \ub0ae\uc740 \uc131\ub2a5\uc744 \ubcf4\uc77c \uc218 \uc788\uc74c<\/li>\n
- \uad6c\ubc84\uc804 iOS\uc5d0\uc11c\uc758 \ud638\ud658\uc131\uc774 \uc5c6\uc74c<\/li>\n<\/ul>\n
7. \uacb0\ub860<\/h2>\n
SwiftUI\ub294 \uc560\ud50c\uc758 \ucd5c\uc2e0 UI \ud504\ub808\uc784\uc6cc\ud06c\ub85c, \uae30\uc874 UIKit\ubcf4\ub2e4 \ud6e8\uc52c \ub354 \uc9c1\uad00\uc801\uc774\uace0 \uac04\ub2e8\ud55c UI \uac1c\ubc1c\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc UIKit\ub3c4 \uc5ec\uc804\ud788 \uacac\uace0\ud558\uace0 \ub9ce\uc740 \uac1c\ubc1c\uc790\uc5d0\uac8c \uc775\uc219\ud55c \ud504\ub808\uc784\uc6cc\ud06c\uc774\ubbc0\ub85c, \ub450 \ud504\ub808\uc784\uc6cc\ud06c\ub97c \uc801\uc808\ud558\uac8c \ud63c\ud569\ud558\uc5ec \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uac01 \ud504\ub808\uc784\uc6cc\ud06c\uc758 \ud2b9\uc131\uc744 \uc798 \uc774\ud574\ud558\uba74, \ub354 \ub098\uc740 \ud488\uc9c8\uc758 \uc571\uc744 \uac1c\ubc1c\ud560 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n
<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"