cscouto

import UIKit

class InterctiveLabel: UILabel {
    
    override var canBecomeFirstResponder: Bool {
        return true
    }
    
    override func canPerformAction(_ action: Selector, withSender sender: Any?) -> Bool {
        self.backgroundColor = UIColor(hex: "EEEEEE")

cscouto

class ViewController: UIViewController {
    @IBOutlet weak var tableView: UITableView!
    @IBOutlet weak var heightTableView: NSLayoutConstraint!
    
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        tableView.addObserver(self, 
                              forKeyPath: "contentSize", 
                              options: .new, 
                              context: nil)

cscouto

extension UIColor {
    convenience init(hex: String) {
        let scanner = Scanner(string: hex)
        scanner.scanLocation = 0
        
        var rgbValue: UInt64 = 0
        
        scanner.scanHexInt64(&rgbValue)
        
        let r = (rgbValue & 0xff0000) >> 16

cscouto

NSArray* reversedArray = [[startArray reverseObjectEnumerator] allObjects];

cscouto

import UIKit
extension UIScrollView {
    
    func scrollToView(view:UIView, animated: Bool, navigationHeight: CGFloat?) {
        let childStartPoint = view.frame.origin
        let height = (navigationHeight ?? 0) * 2 + 16
        self.scrollRectToVisible(
            CGRect(x: 0, 
                   y: childStartPoint.y - height, 
                   width: 1,