view controller

gistfile1.txt

import UIKit

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        self.title = "Hello Testing World"
        setupTextField()
    }
    
    
    func vowelsInAString(string: String) -> Int {
        let vowels: [Character] = ["a", "e", "i", "o", "u", "A", "E", "I", "O", "U"]
        return string.reduce(0) { (initial, aCharacter) -> Int in
            if vowels.contains(aCharacter) {
                return initial + 1
            } else {
                return initial
            }
        }
    }
    
    func makeTitle(string: String) -> String {
        let words = string.components(separatedBy: " ")
        
        // let headline = words.map { (word) -> String in
        //    return word.capitalized
        // }
        
        return string.capitalize // headline.joined(separator: " ")
    }
    
    var textField: UITextField = {
        var view = UITextField(frame: .zero)
        view.translatesAutoresizingMaskIntoConstraints = false
        view.layer.borderWidth = 5
        view.layer.borderColor = UIColor.lightGray.cgColor
        view.layer.cornerRadius = 10
        view.textAlignment = .center
        view.placeholder = "Testing Placeholder"
        return view
    }()
    
    private func setupTextField() {
        view.addSubview(textField)
        NSLayoutConstraint.activate([
            textField.heightAnchor.constraint(equalTo: view.heightAnchor, multiplier: 0.1),
            textField.widthAnchor.constraint(equalTo: view.widthAnchor, multiplier: 0.5),
            textField.centerXAnchor.constraint(equalTo: view.centerXAnchor),
            textField.centerYAnchor.constraint(equalTo: view.centerYAnchor)
            ])
    }
}