About UIKit
UIKit is the backbone of iOS app development, providing the infrastructure for building graphical, event-driven applications.
Key Features
- View controller lifecycle
- Touch and gesture handling
- Animation support
- Drag and drop functionality
- Document support
Code Example
// UIKit example
import UIKit
class ViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
let label = UILabel()
label.text = "Hello, UIKit!"
label.frame = CGRect(x: 50, y: 100, width: 200, height: 30)
view.addSubview(label)
}
}