SergLam

import UIKit

// Fade animation: https://medium.com/@ludvigeriksson/custom-interactive-uinavigationcontroller-transition-animations-in-swift-4-a4b5e0cefb1e
// Slide animation: https://medium.com/swift2go/simple-custom-uinavigationcontroller-transitions-fdb56a217dd8
class CustomNavigationController: UINavigationController {

    private var interactionController: UIPercentDrivenInteractiveTransition?
    
    private var edgeSwipeGestureRecognizer: UIScreenEdgePanGestureRecognizer?
    private var panGesturerecognizer: PanDirectionGestureRecognizer?

SergLam

// Perform URL request
// http://itunes.apple.com/lookup?bundleId=YOUR_APP_BUNDLE_ID

// TXT-file with JSON data will be downloaded
// Parse it, fetch version key-value
// "version":"1.5"

// Compare it with your current app version
let appVersion =  Bundle.main.infoDictionary["CFBundleShortVersionString"] as? String
let buildNumber =  Bundle.main.infoDictionary["CFBundleVersion"] as? String

SergLam

import var CommonCrypto.CC_MD5_DIGEST_LENGTH
import func CommonCrypto.CC_MD5
import typealias CommonCrypto.CC_LONG

import Foundation
import UIKit

enum UserCredentialError: Error, LocalizedError {
    
    case invalidEmail

SergLam

// More info here
// https://marcosantadev.com/calayer-auto-layout-swift/

class LayerContainerView: UIView {

    override public class var layerClass: Swift.AnyClass {
        return CAGradientLayer.self
    }

    override func awakeFromNib() {

SergLam

import Foundation

enum CodingError: LocalizedError, Error {
    
    case unableToDecode(key: String, type: String)
    
    var errorDescription: String? {
        switch self {
        case .unableToDecode(let key, let type):
            return Localizable.errorParsingKey(key, type)

SergLam

import Alamofire
import Foundation
import Moya

extension MoyaProvider {
    
    convenience init(handleRefreshToken: Bool) {
        if handleRefreshToken {
            self.init(requestClosure: MoyaProvider.endpointResolver(),
                      manager: DefaultAlamofireManager.sharedManager,

SergLam

@UIApplicationMain
final class AppDelegate: UIResponder {

    override init() {
        RealmDAO.shared.configureMigration()
        super.init()
    }
    
}

SergLam

import Foundation

// IMPORTANT: check APS environment (production or sandbox) in your app .entitlements file

extension Data {
    
    func hexString() -> String {
        return self.map{ String(format: "%02.2hhx", $0) }.joined()
    }
    

SergLam

import SnapKit
import UIKit

class AnimationView: UIView {
    
    private let duration: Double = 3.0
    private var percent: Double = 0.0
    private var displayLink: CADisplayLink?
    private var start: CFAbsoluteTime = CFAbsoluteTime.zero
    

SergLam

# Output version & build number to the APP_VERSION label on LaunchScreen.storyboard
versionNumber=$(/usr/libexec/PlistBuddy -c "Print CFBundleShortVersionString" "${INFOPLIST_FILE}")
buildNumber=$(/usr/libexec/PlistBuddy -c "Print CFBundleVersion" "${INFOPLIST_FILE}")

sed -i "" -e "/userLabel=\"APP_VERSION\"/s/text=\"[^\"]*\"/text=\"Version: $versionNumber ($buildNumber)\"/" "$PROJECT_DIR/LaunchScreen.storyboard"