//ViewController.swift
...
import SDKCore
...

let publicKey: String =
    "-----BEGIN PUBLIC KEY-----MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoIITqh9xlGx4tWA+aucb0V0YuFC9aXzJb0epdioSkq3qzNdRSZIxe/dHqcbMN2SyhzvN6MRVl3xyjGAV+lwk8poD4BRW3VwPUkT8xG/P/YLzi5N8lY6ILlfw6WCtRPK5bKGGnERcX5dqL60LhOPRDSYT5NHbbp/J2eFWyLigdU9Sq7jvz9ixOLh6xD7pgNgHtnOJ3Cw0Gqy03r3+m3+CBZwrzcp7ZFs41bit7/t1nIqgx78BCTPugap88Gs+8ZjdfDvuDM+/3EwwK0UVTj0SQOv0E5KcEHENL9QQg3ujmEi+zAavulPqXH5907q21lwQeemzkTJH4o2RCCVeYO+YrQIDAQAB-----END PUBLIC KEY-----"

let sdkCore = SdkCore()

  // TokenResult with NewPaymentMethod
  let newPaymentMethodParams = NewPaymentMethodParams(
       pan: "5536913776755304",
       cvc: "123",
       expiryMMYY: "12/22",
       cardholder: "TEST CARDHOLDER",
       pubKey: publicKey
  )
  let newPaymentMethodConfig = SDKCoreConfig(
      paymentMethodParams: .newPaymentMethodParams(params: newPaymentMethodParams)
  )
  let tokenResult = sdkCore.generateWithConfig(config: newPaymentMethodConfig)

  // TokenResult with StoredPaymentMethod
  let storedPaymentMethodParams = StoredPaymentMethodParams(
      pubKey: publicKey,
      storedPaymentMethodId: "storedPaymentMethodId",
      cvc: "123"
  )
  let storedPaymentMethodConfig = SDKCoreConfig(
      paymentMethodParams: .storedPaymentMethodParams(params: storedPaymentMethodParams)
  )
  let tokenResult = sdkCore.generateWithConfig(config: storedPaymentMethodConfig)

...
final class LoggerImplementation: LogInterface {

    func log(class: AnyClass, tag: String, message: String, exception: (any Error)?) {
        // Do something for logging
    }
}

Logger.shared.addLogInterface(logger: LoggerImplementation())
...

...
     Logger.shared.log(classMethod: type(of: self),
                       tag: "MyTag",
                       message: "My process...",
                       exception: nil)
...

import UIKit
  import SDKCore

  final class MainViewController: UIViewController {

    private let cardNumberValidator = CardNumberValidator()
    private let cardExpiryValidator = CardExpiryValidator()
    private let cardCodeValidator = CardCodeValidator()
    private let cardHolderValidator = CardHolderValidator()
    private let sdkCore = SdkCore()

    private var cardNumberValidationResult: ValidationResult = .VALID
    private var cardExpiryValidationResult: ValidationResult = .VALID
    private var cardCodeValidationResult: ValidationResult = .VALID
    private var cardHolderValidationResult: ValidationResult = .VALID

    private func checkValidation() {
      cardNumberValidationResult = cardNumberValidator.validate(data: cardNumberValue)
      cardExpiryValidationResult = cardNumberValidator.validate(data: cardExpiryValue)
      cardCodeValidationResult = cardNumberValidator.validate(data: cardCodeValue)
      cardHolderValidationResult = cardNumberValidator.validate(data: cardHolderValue)
    }

    private func generateTokenResult() {
      let newPaymentMethodParams = NewPaymentMethodParams(
           pan: cardNumberValue,
           cvc: cardExpiryValue,
           expiryMMYY: cardExpiryValue,
           cardholder: cardHolderValue,
           pubKey: publicKey
      )

      let newPaymentMethodConfig = SDKCoreConfig(
          paymentMethodParams: .newPaymentMethodParams(params: newPaymentMethodParams)
      )
      let tokenResultWithNewPaymentMethod = sdkCore.generateWithConfig(config: newPaymentMethodConfig)


      let storedPaymentMethodParams = StoredPaymentMethodParams(
          pubKey: publicKey,
          storedPaymentMethodId: "storedPaymentMethodId",
          cvc: "123"
      )
      let storedPaymentMethodConfig = SDKCoreConfig(
          paymentMethodParams: .storedPaymentMethodParams(params: storedPaymentMethodParams)
      )
      let tokenResultWithStoredPaymentMethod = sdkCore.generateWithConfig(config: storedPaymentMethodConfig)
    }
  }

let publicKey: String =
      "-----BEGIN PUBLIC KEY-----MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoIITqh9xlGx4tWA+aucb0V0YuFC9aXzJb0epdioSkq3qzNdRSZIxe/dHqcbMN2SyhzvN6MRVl3xyjGAV+lwk8poD4BRW3VwPUkT8xG/P/YLzi5N8lY6ILlfw6WCtRPK5bKGGnERcX5dqL60LhOPRDSYT5NHbbp/J2eFWyLigdU9Sq7jvz9ixOLh6xD7pgNgHtnOJ3Cw0Gqy03r3+m3+CBZwrzcp7ZFs41bit7/t1nIqgx78BCTPugap88Gs+8ZjdfDvuDM+/3EwwK0UVTj0SQOv0E5KcEHENL9QQg3ujmEi+zAavulPqXH5907q21lwQeemzkTJH4o2RCCVeYO+YrQIDAQAB-----END PUBLIC KEY-----"

let sdkCore = SdkCore()

let cardParams = CardParams(
     pan: "4111111111111111",
     cvc: "123",
     expiryMMYY: "12/28",
     cardholder: "TEST CARDHOLDER", 
     mdOrder: "mdOrder",
     pubKey: publicKey
)

let cardParamsConfig = SDKCoreConfig(
    paymentMethodParams: .cardParams(params: cardParams)
)
let tokenResult = sdkCore.generateWithConfig(config: cardParamsConfig)

let bindignParams = BindingParams(
    pubKey: publicKey,
    bindingId: "das",
    cvc: "123",
    mdOrder: "mdOrder"
)
let bindingParamsConfig = SDKCoreConfig(
    paymentMethodParams: .bindingParams(params: bindignParams)
)
let tokenResult = sdkCore.generateWithConfig(config: bindingParamsConfig)

allprojects {
    repositories {
        // ...
        flatDir {
            dirs("libs")
        }
    }
}

dependencies {
    // dependency is mandatory to add
    implementation(group = "", name = "sdk_core-release", ext = "aar")
}

allprojects {
    repositories {
        // ...
        flatDir {
            dirs 'libs'
        }
    }
}

dependencies {
    // dependency is mandatory to add
    implementation(group: '', name: 'sdk_core-release', ext: 'aar')
}

val publicKey: String =
    "-----BEGIN PUBLIC KEY-----MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoIITqh9xlGx4tWA+aucb0V0YuFC9aXzJb0epdioSkq3qzNdRSZIxe/dHqcbMN2SyhzvN6MRVl3xyjGAV+lwk8poD4BRW3VwPUkT8xG/P/YLzi5N8lY6ILlfw6WCtRPK5bKGGnERcX5dqL60LhOPRDSYT5NHbbp/J2eFWyLigdU9Sq7jvz9ixOLh6xD7pgNgHtnOJ3Cw0Gqy03r3+m3+CBZwrzcp7ZFs41bit7/t1nIqgx78BCTPugap88Gs+8ZjdfDvuDM+/3EwwK0UVTj0SQOv0E5KcEHENL9QQg3ujmEi+zAavulPqXH5907q21lwQeemzkTJH4o2RCCVeYO+YrQIDAQAB-----END PUBLIC KEY-----"

val context: Context //android context for getting string resources
val sdkCore: SDKCore = SDKCore(context)

// TokenResult with NewPaymentMethod
val newPaymentMethodCardParams = NewPaymentMethodCardParams(
       pan = "4111111111111111",
       cvc = "123",
       expiryMMYY = "12/28",
       cardHolder = "John Smith",
       pubKey= publicKey
  )
val newPaymentMethodConfig = SDKCoreConfig(paymentCardParams = newPaymentMethodCardParams)
val tokenResult = sdkCore.generateWithConfig(config = newPaymentMethodConfig)

// TokenResult with NewPaymentMethodStoredCard
val newPaymentMethodStoredCardParams = NewPaymentMethodStoredCardParams(
      pubKey = publicKey,
      storedPaymentId = "storedPaymentMethodId",
      cvc = "123"
  )
val storedPaymentMethodConfig = SDKCoreConfig(paymentCardParams = newPaymentMethodStoredCardParams)
val tokenResult = sdkCore.generateWithConfig(config = storedPaymentMethodConfig)

...
    Logger.addLogInterface(object : LogInterface {
        override fun log(classMethod: Class<Any>, tag: String, message: String, exception: Exception?) {
                Log.i(tag, "$classMethod: $message", exception)
            }
        })
...

...
     Logger.log(this.javaClass, "MyTag", "My process...", null)
...

import net.payrdr.mobile.payment.sdk.core.SDKCore
import net.payrdr.mobile.payment.sdk.core.TokenResult
import net.payrdr.mobile.payment.sdk.core.model.BindingParams
import net.payrdr.mobile.payment.sdk.core.model.CardParams
import net.payrdr.mobile.payment.sdk.core.validation.BaseValidator
import net.payrdr.mobile.payment.sdk.core.validation.CardCodeValidator
import net.payrdr.mobile.payment.sdk.core.validation.CardExpiryValidator
import net.payrdr.mobile.payment.sdk.core.validation.CardHolderValidator
import net.payrdr.mobile.payment.sdk.core.validation.CardNumberValidator
import net.payrdr.mobile.payment.sdk.core.validation.OrderNumberValidator

class MainActivity : AppCompatActivity() {
    // initialization of validators for card information entry fields
    private val cardNumberValidator by lazy { CardNumberValidator(this) }
    private val cardExpiryValidator by lazy { CardExpiryValidator(this) }
    private val cardCodeValidator by lazy { CardCodeValidator(this) }
    private val cardHolderValidator by lazy { CardHolderValidator(this) }
    private val orderNumberValidator by lazy { OrderNumberValidator(this) }
    private val sdkCore by lazy { SDKCore(context = this) }

    override fun onCreate(savedInstanceState: Bundle?) {
        // installation of validators on the card information entry fields
        cardNumberInput.setupValidator(cardNumberValidator)
        cardExpiryInput.setupValidator(cardExpiryValidator)
        cardCodeInput.setupValidator(cardCodeValidator)
        cardHolderInput.setupValidator(cardHolderValidator)
        mdOrderInput.setupValidator(orderNumberValidator)

        // creation of an object and initialization of fields for a new card
        val params = NewPaymentMethodCardParams(
            pan = cardNumberInput.text.toString(),
            cvc = cardCodeInput.text.toString(),
            expiryMMYY = cardExpiryInput.text.toString(),
            cardHolder = cardHolderInput.text.toString(),
            pubKey = pubKeyInput.text.toString()
        )
        // method call to get the cryptogram for a new card
        sdkCore.generateWithConfig(SDKCoreConfig(params))

        // Creation of an object and initialization of fields for the linked card
        val params = NewPaymentMethodStoredCardParams(
            storedPaymentId = "storedPaymentMethodId",
            cvc = "123",
            pubKey = pubKeyInput.text.toString()
        )
        // method call to get the cryptogram for the linked card
        sdkCore.generateWithConfig(SDKCoreConfig(params))
    }
}

val publicKey: String =
    "-----BEGIN PUBLIC KEY-----MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoIITqh9xlGx4tWA+aucb0V0YuFC9aXzJb0epdioSkq3qzNdRSZIxe/dHqcbMN2SyhzvN6MRVl3xyjGAV+lwk8poD4BRW3VwPUkT8xG/P/YLzi5N8lY6ILlfw6WCtRPK5bKGGnERcX5dqL60LhOPRDSYT5NHbbp/J2eFWyLigdU9Sq7jvz9ixOLh6xD7pgNgHtnOJ3Cw0Gqy03r3+m3+CBZwrzcp7ZFs41bit7/t1nIqgx78BCTPugap88Gs+8ZjdfDvuDM+/3EwwK0UVTj0SQOv0E5KcEHENL9QQg3ujmEi+zAavulPqXH5907q21lwQeemzkTJH4o2RCCVeYO+YrQIDAQAB-----END PUBLIC KEY-----"

// TokenResult with CardParams
val cardParams: CardParams = CardParams(
    mdOrder = "mdOrder",
    pan = "4111111111111111",
    cvc = "123",
    expiryMMYY = "12/28",
    cardHolder = "TEST CARDHOLDER",
    pubKey = "publicKey"
)
val tokenResult = sdkCore.generationWithConfig(paymentCardParams = cardParams)

// TokenResult with BindingParams
val bindingParams: BindingParams = BindingParams(
    mdOrder = "mdOrder",
    bindingID = "das",
    cvc = "123",
    pubKey = "publicKey"
)

val tokenResult = sdkCore.generationWithConfig(paymentCardParams = bindingParams)