onError method
Called when an exception was occurred during the request.
Implementation
@override
void onError(DioException err, ErrorInterceptorHandler handler) {
if (_httpLoggerFilter == null || _httpLoggerFilter!()) {
final message = _prepareLog(err.requestOptions, err.response);
if (message != '' && !kReleaseMode) {
_logger.e(message);
}
}
return super.onError(err, handler);
}