matoelorriaga

import UIKit

extension UIColor 
{
    convenience init(hex: String, alpha: CGFloat = 1) 
    {
        assert(hex[hex.startIndex] == "#", "Expected hex string of format #RRGGBB")
        
        let scanner = Scanner(string: hex)
        scanner.scanLocation = 1 // skip #

matoelorriaga

import UIKit

extension UITextField
{
    class func connectFields(fields:[UITextField]) -> Void
    {
        guard let last = fields.last else {
            return
        }
        for i in 0 ..< fields.count - 1

matoelorriaga

import Foundation

extension Bool
{
    static func random() -> Bool
    {
        return arc4random_uniform(2) == 0
    }
}

matoelorriaga

<?xml version="1.0" encoding="utf-8"?>
<resources>
  
    <color name="material_red50">#ffffebee</color>
    <color name="material_red100">#ffffcdd2</color>
    <color name="material_red200">#ffef9a9a</color>
    <color name="material_red300">#ffe57373</color>
    <color name="material_red400">#ffef5350</color>
    <color name="material_red500">#fff44336</color>
    <color name="material_red600">#ffe53935</color>

matoelorriaga

import UIKit

extension UIViewController {
    
    func smoothlyDeselectRows(tableView: UITableView?) {
        let selectedIndexPaths = tableView?.indexPathsForSelectedRows ?? []
        
        if let coordinator = transitionCoordinator {
            coordinator.animateAlongsideTransition(in: parent?.view, animation: { context in
                selectedIndexPaths.forEach {