Fragment which is MVP View which can show credit card logo, show that there is no credit card logo, show credit card number was validated successfully etc (everything defined in AddEditCardContract.kt)

AddEditCardFragment.kt

//MVP View
class AddEditCardFragment : BaseFragment<AddEditCardContract.Presenter>(), AddEditCardContract.View {
  
  // ...Android lifecycle methods
  
   override fun setPresenter(presenter: AddEditCardContract.Presenter) {
        mPresenter = presenter
    }

    override fun showCreditCardLogo(creditCardEnum: CreditCardEnum) {
        val logoDrawable = ContextCompat.getDrawable(context, creditCardEnum.cardDrawable!!)
        val gradientDrawable = ContextCompat.getDrawable(context, creditCardEnum.gradientDrawable!!)
        flipBetweenActiveFrontAndInactiveAppearance(logoDrawable,
                gradientDrawable,
                toActive = true)
    }

    override fun showNoCreditCardLogo() {
        flipBetweenActiveFrontAndInactiveAppearance(null,
                null,
                toActive = false)
    }

    override fun showCreditCardNumberValidatedSuccessfully() {
        stateMachine.nextState()
    }

    override fun showCreditCardNumberFailedToValidate() {
        context.toast(R.string.credit_card_number_is_not_valid).show()
    }

    override fun showCreditCardHolderValidatedSuccessfully() {
        stateMachine.nextState()
    }

    override fun showCreditCardHolderFailedToValidate() {
        context.toast(R.string.credit_card_holder_is_not_valid).show()
    }

    override fun showCreditCardExpiryDateValidatedSuccessfully() {
        stateMachine.nextState()
    }

    override fun showCreditCardExpiryDateFailedToValidate() {
        context.toast(R.string.credit_card_expiry_date_is_not_valid).show()
    }

    override fun showCreditCardCvvValidatedSuccessfully() {
        stateMachine.nextState()
    }

    override fun showCreditCardCvvFailedToValidate() {
        context.toast(R.string.credit_card_cvv_is_not_valid).show()
    }

    override fun showCreditCardSavedSuccessfully() {
        stateMachine.nextState()
        (activity as AppCompatActivity).supportActionBar!!.setDisplayHomeAsUpEnabled(false)
    }

    override fun showCreditCardFailedToSave() {
        save_card_container.showNext()
        context.toast(R.string.credit_card_failed_to_save).show()
    }

    override fun showCreditCardPriorityAndTypeValidatedSuccessfully() {
        save()
    }

    override fun showCreditCardPriorityIsEmpty() {
        context.toast(R.string.credit_card_priority_is_empty).show()
    }

    override fun showCreditCardTypeIsEmpty() {
        context.toast(R.string.credit_card_type_is_empty).show()
    }
}