String oauthToken = urls[0];
            String tokenVerifier = urls[1];
            String responseBody = null;

            try {
                String url = "https://api.copy.com/oauth/access?oauth_verifier=" + tokenVerifier;

                String authorization = String.format("OAuth oauth_version="1.0", oauth_signature_method="HMAC-SHA1", oauth_consumer_key="%s", oauth_token="%s", oauth_signature="%s&%s", oauth_nonce="%s", oauth_timestamp="%s"",
                        Constants.COPY_CONSUMER_KEY,
                        oauthToken,
                        Constants.COPY_SECRET, tokenVerifier,
                        String.valueOf((int) (Math.random() * 100000000)),
                        String.valueOf(Calendar.getInstance().getTimeInMillis()));

                Map<String, String> headers = new HashMap<String, String>();
                headers.put("Authorization",authorization);

                HttpClient httpclient = new DefaultHttpClient();
                HttpGet httppost = new HttpGet(url);
                httppost.setHeader("Authorization", authorization);

                ResponseHandler<String> responseHandler = new BasicResponseHandler();
                responseBody = httpclient.execute(httppost, responseHandler);

oauth_problem=signature_invalid&debug_sbs=GET&https%3A%2F%2Fapi.copy.com%2Foauth%2Faccess&oauth_consumer_key%3DCtu6CtdN1PWRo5DstoxgaaIQWZkeeWNg%26oauth_nonce%3D10525625%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1425400347545%26oauth_token%3D6aNkypb7wZoI7dbJiSrtItOTGmpaG0RL%26oauth_verifier%3D496cb46091352c4788603dcfb6e0cfb5%26oauth_version%3D1.0oauth_error_code=2000