Created
September 25, 2022 15:15
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import UIKit | |
class MyViewController: UIViewController { | |
var name: String = "" { | |
didSet { | |
print("name = \(name)") | |
testLabel.text = name // 2 | |
} | |
} | |
lazy var testLabel: UILabel = { // 3, 7 | |
let label = UILabel() | |
label.translatesAutoresizingMaskIntoConstraints = false | |
label.text = "hello" | |
label.centerXAnchor.constraint(equalTo: view.centerXAnchor) // 4, 9 | |
label.centerYAnchor.constraint(equalTo: view.centerYAnchor) | |
print("testLabel = \(label)") | |
return label // 8, 10 | |
}() | |
override func viewDidLoad() { // 5 | |
super.viewDidLoad() | |
view.addSubview(testLabel) // 6 | |
} | |
} | |
let viewController = MyViewController() | |
viewController.name = "Luke" // 1 |
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