froggomad

import UIKit

class ViewControllerView: UIView {
    
    private lazy var buttonStack: UIStackView = {
        let stack = UIStackView(arrangedSubviews: [viewButton, alertButton])
        stack.translatesAutoresizingMaskIntoConstraints = false
        stack.spacing = 12
        stack.axis = .vertical
        return stack

froggomad

import UIKit

extension UIColor {
    // credit: @beyowulf
    // https://stackoverflow.com/questions/47365583/determining-text-color-from-the-background-color-in-swift/47366748
    var isDarkColor: Bool {
        var r, g, b, a: CGFloat
        (r, g, b, a) = (0, 0, 0, 0)
        self.getRed(&r, green: &g, blue: &b, alpha: &a)
        let lum = 0.2126 * r + 0.7152 * g + 0.0722 * b

froggomad

class InstructionView: UIView {
    
    private var titleString: String
    private var instructions: String
    private var image: UIImage
    private var caption: String?
    private var buttonTitle: String
    private var target: Any?
    private var selector: Selector
    

froggomad

import UIKit

class InstructionViewController: UIViewController {
    
    var titleText: String
    var instructions: String
    var image: UIImage
    var caption: String?
    var buttonTitle: String
    

froggomad

import AudioToolbox.AudioServices

enum TapticEngine: UInt32 {
    /// 'Peek' feedback (single weak boom)
    case peek = 1519
    /// 'Pop' feedback (single strong boom)
    case pop = 1520
    /// 'Cancelled' feedback (three sequential weak booms)
    case cancelled = 1521    
    /// provide haptic feedback to the user

froggomad

class AlertView: UIView {
    
    @IBOutlet var closeButton: UIButton!
    @IBAction func close(_ sender: UIButton) {
        TapticEngine.pop()
        flash(closeButton) { [weak self] _ in
            self?.removeFromSuperview()
        }
    }
    

froggomad

import AudioToolbox.AudioServices

class TapticEngine {
    /// 'Peek' feedback (single weak boom)
    static func peek() {
        AudioServicesPlaySystemSound(1519)
    }
    /// 'Pop' feedback (single strong boom)
    static func pop() {
        AudioServicesPlaySystemSound(1520)

froggomad

import AudioToolbox.AudioServices

class TapticEngine {
    /// 'Peek' feedback (single weak boom)
    static func peek() {
        AudioServicesPlaySystemSound(1519)
    }
    /// 'Pop' feedback (single strong boom)
    static func pop() {
        AudioServicesPlaySystemSound(1520)

froggomad

extension TitledCollectionView: UICollectionViewDelegate {
    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
        updateControllerDelegate(with: indexPath.item)
    }
    
    private func updateControllerDelegate(with item: Int) {
        switch self.produce {
        case .fruit:
            let fruit = Fruit.allCases[item]
            print(produce?.description, fruit.description)

froggomad

private lazy var collectionView: UICollectionView = {
    let collectionView = UICollectionView(frame: .zero, collectionViewLayout: Layout())
    collectionView.register(ProduceCollectionViewCell.self, forCellWithReuseIdentifier: ProduceCollectionViewCell.identifier)
    collectionView.dataSource = self
    collectionView.translatesAutoresizingMaskIntoConstraints = false
    return collectionView
}()