The refactored handleLogin() method

AuthenticatorActivity.kt

    @SuppressLint("InflateParams")
    private fun handleLogin() {
        identityManager.initiateSignin {
            request, params, callback -> when(request) {
                IdentityRequest.NEED_CREDENTIALS -> {
                    Log.d(TAG, "NEED_CREDENTIALS")
                    callback(mapOf("username" to loginform_username.getContent(), "password" to loginform_password.getContent()))
                }

                IdentityRequest.NEED_NEWPASSWORD -> {
                    Log.d(TAG, "NEED_NEWPASSWORD")
                    val newPasswordDialog = layoutInflater.inflate(R.layout.dialog_new_password, null)
                    val passwordInput = newPasswordDialog.find(R.id.newpassworddialog_password) as EditText
                    alert {
                        title = "Enter New Password"
                        customView = newPasswordDialog
                        positiveButton("OK") {
                            callback(mapOf("password" to passwordInput.getContent()))
                        }
                    }.show()
                }

                IdentityRequest.NEED_MULTIFACTORCODE -> {
                    Log.d(TAG, "NEED_MULTIFACTORCODE")
                    val mfaPromptDialog = layoutInflater.inflate(R.layout.dialog_mfa_prompt, null)
                    val mfaCodeInput = mfaPromptDialog.find(R.id.mfapromptdialog_code) as EditText
                    val mfaInstructions = mfaPromptDialog.find(R.id.mfapromptdialog_instructions) as TextView
                    params?.let { mfaInstructions.text = "Enter the code we just sent to ${it["deliveryVia"] ?: "UNK"}:${it["deliveryTo"] ?: "UNKNOWN"}" }
                    alert {
                        title = "Multi-factor Code Required"
                        customView = mfaPromptDialog
                        positiveButton("OK") {
                            callback(mapOf("mfaCode" to mfaCodeInput.getContent()))
                        }
                    }.show()
                }

                // Sucessful signin
                IdentityRequest.SUCCESS -> {
                    Log.d(TAG, "SUCCESS")
                    [email protected]()
                }

                // Failed signin
                IdentityRequest.FAILURE -> {
                    Log.d(TAG, "FAILURE")
                    alert(params?.get("message") ?: "Error submitting credentials") {
                        title = "Login Denied"
                        positiveButton("Close") { /* Do nothing */ }
                    }.show()
                }
            }
        }
    }