LongLogs.java

 public static void logsOf(String veryLongString, int maxLogSize) {
        for (int i = 0; i <= veryLongString.length() / maxLogSize; i++) {
            int start = i * maxLogSize;
            int end = (i + 1) * maxLogSize;
            end = end > veryLongString.length() ? veryLongString.length() : end;
            Log.v(TAG, veryLongString.substring(start, end));
        }
    }

Response2String.java

static String response2String(retrofit.client.Response response) {
        BufferedReader reader;
        StringBuilder sb = new StringBuilder();
        try {
            reader = new BufferedReader(new InputStreamReader(response.getBody().in()));
            String line;
            while ((line = reader.readLine()) != null) {
                sb.append(line);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        String result = sb.toString();
        Log.d(TAG, result);
        return result;
    }