isInvalidTokenError method
Implementation
bool isInvalidTokenError() {
if (this is KakaoAuthException &&
(this as KakaoAuthException).error == AuthErrorCause.invalidGrant) {
return true;
} else if (this is KakaoApiException &&
(this as KakaoApiException).code == ApiErrorCause.invalidToken) {
return true;
}
return false;
}