If statement not working yet used correctly class SignUp : AppCompatActivity() { private lateinit var auth: FirebaseAuth private var etEmail: String? = null private var etPass: String? = null private var etPass2: String? = null private lateinit var btn: Button override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_sign_up) // Initialising auth= Firebase.auth etEmail = findViewById(R.id.et_email).text.toString().trim() etPass =...