getMFACode callback

AuthenticatorActivity.kt

    @Suppress("InflateParams")
    override fun getMFACode(continuation: MultiFactorAuthenticationContinuation?) {
        runOnUiThread {
            val mfaPromptDialog = layoutInflater.inflate(R.layout.dialog_mfa_prompt, null)
            val mfaInput = mfaPromptDialog.find(R.id.mfapromptdialog_code) as MFAEditText
            continuation?.let {
                val mfaInstructions = mfaPromptDialog.find(R.id.mfapromptdialog_instructions) as TextView
                mfaInstructions.text = "Enter the code we just sent to ${it.parameters.deliveryMedium}:${it.parameters.destination}"
            }
            alert {
                title = "Multi-factor Code Required"
                customView = mfaPromptDialog
                positiveButton("OK") {
                    continuation?.let {
                        Log.i(TAG, "getMFACode: new code = ${mfaInput.getContent()}")
                        it.setMfaCode(mfaInput.getContent())
                        thread(start = true) { it.continueTask() }
                    }
                }
            }.show()
        }
    }