     }
 
     class func setLaunchArguments(_ app: XCUIApplication) {
-        guard let prefix = pathPrefix() else {
-            return
-        }
-
-        let path = prefix.appendingPathComponent("snapshot-launch_arguments.txt")
+        guard let cacheDirectory = self.cacheDirectory else {
+            print("CacheDirectory is not set - probably running on a physical device?")
+            return
+        }
+        
+        let path = cacheDirectory.appendingPathComponent("snapshot-launch_arguments.txt")
         app.launchArguments += ["-FASTLANE_SNAPSHOT", "YES", "-ui_testing"]
 
         do {
             let launchArguments = try String(contentsOf: path, encoding: String.Encoding.utf8)
             let regex = try NSRegularExpression(pattern: "(\\\".+?\\\"|\\S+)", options: [])
-            let matches = regex.matches(in: launchArguments, options: [], range: NSRange(location:0, length:launchArguments.characters.count))
+            let matches = regex.matches(in: launchArguments, options: [], range: NSRange(location: 0, length: launchArguments.count))
             let results = matches.map { result -> String in
                 (launchArguments as NSString).substring(with: result.range)
             }

        }
    }

    open class func snapshot(_ name: String, waitForLoadingIndicator: Bool = true) {
        if waitForLoadingIndicator {
            waitForLoadingIndicatorToDisappear()
        }

        print("snapshot: \(name)") // more information about this, check out https://github.com/fastlane/fastlane/tree/master/snapshot#how-does-it-work

        sleep(1) // Waiting for the animation to be finished (kind of)

        #if os(tvOS)
            XCUIApplication().childrenMatchingType(.Browser).count
        #elseif os(OSX)
            XCUIApplication().typeKey(XCUIKeyboardKeySecondaryFn, modifierFlags: [])
        #else
            XCUIDevice.shared().orientation = .unknown
        #endif
    }

    class func waitForLoadingIndicatorToDisappear() {
        #if os(tvOS)
            return
        #endif

        let query = XCUIApplication().statusBars.children(matching: .other).element(boundBy: 1).children(matching: .other)

        while (0..<query.count).map({ query.element(boundBy: $0) }).contains(where: { $0.isLoadingIndicator }) {
            sleep(1)
            print("Waiting for loading indicator to disappear...")
        }
    }

    class func pathPrefix() -> URL? {
        let homeDir: URL
        //on OSX config is stored in /Users/<username>/Library
        //and on iOS/tvOS/WatchOS it's in simulator's home dir
        #if os(OSX)
            guard let user = ProcessInfo().environment["USER"] else {
                print("Couldn't find Snapshot configuration files - can't detect current user ")
                return nil
            }

            guard let usersDir =  FileManager.default.urls(for: .userDirectory, in: .localDomainMask).first else {
                print("Couldn't find Snapshot configuration files - can't detect `Users` dir")
                return nil
            }

            homeDir = usersDir.appendingPathComponent(user)
        #else
            guard let simulatorHostHome = ProcessInfo().environment["SIMULATOR_HOST_HOME"] else {
                print("Couldn't find simulator home location. Please, check SIMULATOR_HOST_HOME env variable.")
                return nil
            }
            guard let homeDirUrl = URL(string: simulatorHostHome) else {
                print("Can't prepare environment. Simulator home location is inaccessible. Does \(simulatorHostHome) exist?")
                return nil
            }
            homeDir = URL(fileURLWithPath: homeDirUrl.path)
        #endif
        return homeDir.appendingPathComponent("Library/Caches/tools.fastlane")
    }
}

extension XCUIElement {
    var isLoadingIndicator: Bool {
        let whiteListedLoaders = ["GeofenceLocationTrackingOn", "StandardLocationTrackingOn"]
        if whiteListedLoaders.contains(self.identifier) {
            return false
        }
        return self.frame.size == CGSize(width: 10, height: 20)
    }
}

// Please don't remove the lines below
// They are used to detect outdated configuration files
// SnapshotHelperVersion [1.3]

//  Copyright © 2015 Felix Krause. All rights reserved.
//

// -----------------------------------------------------
// IMPORTANT: When modifying this file, make sure to
//            increment the version number at the very
//            bottom of the file to notify users about
//            the new SnapshotHelper.swift
// -----------------------------------------------------

import Foundation
import XCTest

var deviceLanguage = ""
var locale = ""

func setupSnapshot(_ app: XCUIApplication) {
    Snapshot.setupSnapshot(app)
}

func snapshot(_ name: String, waitForLoadingIndicator: Bool) {
    if waitForLoadingIndicator {
        Snapshot.snapshot(name)
    } else {
        Snapshot.snapshot(name, timeWaitingForIdle: 0)
    }
}

/// - Parameters:
///   - name: The name of the snapshot
///   - timeout: Amount of seconds to wait until the network loading indicator disappears. Pass `0` if you don't want to wait.
func snapshot(_ name: String, timeWaitingForIdle timeout: TimeInterval = 20) {
    Snapshot.snapshot(name, timeWaitingForIdle: timeout)
}

enum SnapshotError: Error, CustomDebugStringConvertible {
    case cannotDetectUser
    case cannotFindHomeDirectory
    case cannotFindSimulatorHomeDirectory
    case cannotAccessSimulatorHomeDirectory(String)
    case cannotRunOnPhysicalDevice

    var debugDescription: String {
        switch self {
        case .cannotDetectUser:
            return "Couldn't find Snapshot configuration files - can't detect current user "
        case .cannotFindHomeDirectory:
            return "Couldn't find Snapshot configuration files - can't detect `Users` dir"
        case .cannotFindSimulatorHomeDirectory:
            return "Couldn't find simulator home location. Please, check SIMULATOR_HOST_HOME env variable."
        case .cannotAccessSimulatorHomeDirectory(let simulatorHostHome):
            return "Can't prepare environment. Simulator home location is inaccessible. Does \(simulatorHostHome) exist?"
        case .cannotRunOnPhysicalDevice:
            return "Can't use Snapshot on a physical device."
        }
    }
}

@objcMembers
open class Snapshot: NSObject {
    static var app: XCUIApplication?
    static var cacheDirectory: URL?
    static var screenshotsDirectory: URL? {
        return cacheDirectory?.appendingPathComponent("screenshots", isDirectory: true)
    }

    open class func setupSnapshot(_ app: XCUIApplication) {
        
        Snapshot.app = app

        do {
            let cacheDir = try pathPrefix()
            Snapshot.cacheDirectory = cacheDir
            setLanguage(app)
            setLocale(app)
            setLaunchArguments(app)
        } catch let error {
            print(error)
        }
    }

    class func setLanguage(_ app: XCUIApplication) {
        guard let cacheDirectory = self.cacheDirectory else {
            print("CacheDirectory is not set - probably running on a physical device?")
            return
        }
        
        let path = cacheDirectory.appendingPathComponent("language.txt")

        do {
            let trimCharacterSet = CharacterSet.whitespacesAndNewlines
