OktaAuthActivity.kt

class OktaAuthActivity : AppCompatActivity() {

    private lateinit var mOktaAuth: OktaAppAuth

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        mOktaAuth = OktaAppAuth.getInstance(this)

        setContentView(R.layout.activity_okta_auth)


        mOktaAuth.init(
            this,
            object : OktaAppAuth.OktaAuthListener {
                override fun onSuccess() {
                    toast("onSuccess")
                    findViewById<View>(R.id.auth_button).visibility = View.VISIBLE
                    findViewById<View>(R.id.loading_container).visibility = View.GONE
                }

                override fun onTokenFailure(p0: AuthorizationException) {
                    findViewById<View>(R.id.loading_container).visibility = View.GONE
                    toast("onTokenFailure")
                }
            }
        )

        val button = findViewById<View>(R.id.auth_button) as Button
        button.setOnClickListener {
            toast("Clicked")
            val completionIntent = Intent(this, MainActivity::class.java)
            val cancelIntent = Intent(this, OktaAuthActivity::class.java)

            cancelIntent.flags = Intent.FLAG_ACTIVITY_CLEAR_TOP

            mOktaAuth.login(
                this,
                PendingIntent.getActivity(this, 0, completionIntent, 0),
                PendingIntent.getActivity(this, 0, cancelIntent, 0)
            )
        }


    }
}