PaulTR

fun handleAuthorizationResponse(intent: Intent) {
  val authorizationResponse : AuthorizationResponse? = AuthorizationResponse.fromIntent(intent)
  val error = AuthorizationException.fromIntent(intent)

  authState = AuthState(authorizationResponse, error)

PaulTR

val authorizationLauncher = registerForActivityResult(
    ActivityResultContracts.StartActivityForResult()){
        result ->
    run {
        if (result.resultCode == Activity.RESULT_OK) {
            handleAuthorizationResponse(result.data!!)
        }
    }
}

PaulTR

val request = builder.build()

val authIntent = authorizationService.getAuthorizationRequestIntent(request)
launchForResult(authIntent)

PaulTR

val parameters = HashMap<String, String>()
paramters.put("Example", "Example")
builder.setAdditionalParameters(parameters)

PaulTR

val builder = AuthorizationRequest.Builder(
    authServiceConfig,
    Constants.CLIENT_ID,
    ResponseTypeValues.CODE,
    Uri.parse(Constants.URL_AUTH_REDIRECT))
    .setCodeVerifier(codeVerifier,
        codeChallenge,
        Constants.CODE_VERIFIER_CHALLENGE_METHOD)

builder.setScopes(Constants.SCOPE_PROFILE,

PaulTR

val digest = MessageDigest.getInstance(Constants.MESSAGE_DIGEST_ALGORITHM)
val hash = digest.digest(codeVerifier.toByteArray())
val codeChallenge = Base64.encodeToString(hash, encoding)

PaulTR

val secureRandom = SecureRandom()
val bytes = ByteArray(64)
secureRandom.nextBytes(bytes)

val encoding = Base64.URL_SAFE or Base64.NO_PADDING or Base64.NO_WRAP
val codeVerifier = Base64.encodeToString(bytes, encoding)

PaulTR

fun attemptAuthorization() {
  
}

PaulTR

private fun initAuthService() {
    val appAuthConfiguration = AppAuthConfiguration.Builder()
        .setBrowserMatcher(
            BrowserAllowList(
                VersionedBrowserMatcher.CHROME_CUSTOM_TAB,
                VersionedBrowserMatcher.SAMSUNG_CUSTOM_TAB
            )
        ).build()

    authorizationService = AuthorizationService(

PaulTR

private fun initAuthServiceConfig() {
    authServiceConfig = AuthorizationServiceConfiguration(
        Uri.parse(Constants.URL_AUTHORIZATION),
        Uri.parse(Constants.URL_TOKEN_EXCHANGE),
        null,
        Uri.parse(Constants.URL_LOGOUT))
}