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grifas / TopIconButton.swift
Created Oct 1, 2018
A button with an icon on top
View TopIconButton.swift
import Foundation
class TopIconButton: UIButton {
var color: UIColor = Color.Green
private init(with color: UIColor) {
self.color = color
super.init(frame: .zero)
grifas / SelfSizingAccessoryViewCell.swift
Last active Sep 17, 2018
UITableViewCell with a self sizing accessory view
View SelfSizingAccessoryViewCell.swift
class MyCell: UITableViewCell {
init() {
// Initialize...
accessoryView = UIView()
accessoryView?.translatesAutoresizingMaskIntoConstraints = false
grifas / ScrollViewSwipeGestureRequireToFail.swift
Last active Aug 3, 2018
SwipeGesture in scrollView: require to fail.
View ScrollViewSwipeGestureRequireToFail.swift
class ChildViewController: UIViewController {
func addSwipeGesture() {
let leftGestureRecognizer = UISwipeGestureRecognizer(target: self, action: #selector(swipe))
let rightGestureRecognizer = UISwipeGestureRecognizer(target: self, action: #selector(swipe))
leftGestureRecognizer.delegate = self
rightGestureRecognizer.delegate = self
leftGestureRecognizer.direction = UISwipeGestureRecognizerDirection.left
rightGestureRecognizer.direction = UISwipeGestureRecognizerDirection.right
grifas / setLeftTitleView.swift
Last active Mar 2, 2018
iOS - Set a left title view in navigation bar
View setLeftTitleView.swift
override func viewDidLoad() {
// This keep the back button after setting the left title view
navigationItem.leftItemsSupplementBackButton = true
func setLeftTitleView() {
let titleLabel = UILabel()
grifas / AddJsonFileToTestBundle.txt
Created Dec 18, 2017
Add json file to test bundle
View AddJsonFileToTestBundle.txt
Build Phases -> Add Build Phase -> Copy Bundle Resources
Add json file there
grifas / socialNetworksDeepLinks.swift
Created Nov 30, 2017
Social Networks Deep Links
View socialNetworksDeepLinks.swift
grifas / controller.swift
Last active Jan 11, 2018
Pushed View Controller with a transparent navigation bar
View controller.swift
override func viewWillAppear(_ animated: Bool) {
override func viewWillDisappear(_ animated: Bool) {
UIApplication.shared.statusBarStyle = .lightContent
grifas / HMAC-SHA1-BASE64-SIGNATURE.swift
Last active Jan 11, 2018
String Extension to get based 64 signature to sign google api urls in swift 3
// String Extension to get based 64 signature to sign google api urls in Swift 3
extension String {
func signatureBase64(key: String) -> String? {
if let signature = .utf8) as NSData?, let signingKey = self.decodeURLBase64String(string: key) {
if let digest = self.hmacSha1(data: signature, key: signingKey) {
return self.encodeURLBase64Data(data: digest)
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