PraveenKommuri

 // Support iOS 14+
    func getNetworkConnectionType() -> String {

        var connectionType: String = "Unknown"
        let networkInfo = CTTelephonyNetworkInfo()

        let carrierType = networkInfo.serviceCurrentRadioAccessTechnology

        guard let carrierTypeName = carrierType?.first?.value else {
          return connectionType

PraveenKommuri

Universal link testing from terminal

xcrun simctl openurl booted “https://www.way.com/parkingdetails/1579270/Holiday-Inn-San-Francisco-SFO-Airport-Parking”

PraveenKommuri

//Initialization
var userDefaultsCustom: UserDefaults?
let userDefaultsSuiteName = "UserStateManagerTests"   //You can pass class name here.

// In setUp() method
UserDefaults().removePersistentDomain(forName: userDefaultsSuiteName)
userDefaultsCustom = UserDefaults(suiteName: userDefaultsSuiteName)

// In test cases methods.
userDefaultsCustom?.setValue("SomeRandomValue", forKey: "SomeRandomKey")

PraveenKommuri

//Without using generics
struct StackEx {
    private var items: [Any] = []
    mutating func push(item: Any) { items.append(item) }
    mutating func pop() -> Any { items.popLast() as Any }
    var top: Any { return items.last as Any }
    mutating func getAll() -> [Any] { return items }
}

var stacktEx = StackEx()

PraveenKommuri

let takeVideoButton = UIButton(type: .system)
//takeVideoButton.frame = CGRect(x: 30, y: 30, width: 100, height: 50)
takeVideoButton.setTitle("Take Video", for: .normal)
takeVideoButton.addTarget(self, action: #selector(takeVideo), for: .touchUpInside)
self.view.addSubview(takeVideoButton)

takeVideoButton.translatesAutoresizingMaskIntoConstraints = false
let horizontalConstraint = NSLayoutConstraint(item: takeVideoButton, attribute: .centerX, relatedBy: .equal, toItem: self.view, attribute: .centerX, multiplier: 1, constant: 0)
let verticalConstraint = NSLayoutConstraint(item: takeVideoButton, attribute: .centerY, relatedBy: .equal, toItem: self.view, attribute: .centerY, multiplier: 1, constant: 0)

PraveenKommuri

 /// Get the app document direcitory path
/// - Returns: path as URL
func getDocumentsDirectory() -> URL {

    // Find all possible documents directories for this user
    let paths = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)

    // just send back the first one, Usually it will be only one
    return paths[0]
}

PraveenKommuri

extension String {

    /// Method to check whether the string has only characters.
    /// - Returns: bool value.
    func isNumber() -> Bool {
        return !isEmpty && rangeOfCharacter(from: CharacterSet.decimalDigits.inverted) == nil
    }

    /// Method to validate email address string
    /// - Returns: BOOL

PraveenKommuri

func parse(jsonData: Data) -> sampleRecord? {
    do {
        let decodedData = try JSONDecoder().decode(sampleRecord.self, from: jsonData)
        return decodedData
    } catch {
        print("error: \(error)")
    }
    return nil
}

PraveenKommuri

func readLocalJSONFile(forName name: String) -> Data? {
    do {
        if let filePath = Bundle.main.path(forResource: name, ofType: "json") {
            let fileUrl = URL(fileURLWithPath: filePath)
            let data = try Data(contentsOf: fileUrl)
            return data
        }
    } catch {
        print("error: \(error)")
    }

PraveenKommuri

import XCTest

//  Sample class with one method in it.
class evenOddClass {

    func isEvenNumber(_ number: Int) -> Bool {
        if number % 2 == 0 {
            return true
        } else {
            return false