How to install X-Api-Key in the request header of an HTTP request

Question

How can I set the x-api key with apikey in the request header of the HTTP request. I tried something, but it seems like it is not working. Here is my code:

    private static String download(String theUrl)
    {
        try {
            URL url = new URL(theUrl);

            URLConnection ucon = url.openConnection();

            ucon.addRequestProperty("x-api-key", apiKey);

            InputStream is = ucon.getInputStream();
            BufferedInputStream bis = new BufferedInputStream(is);

            ByteArrayBuffer baf = new ByteArrayBuffer(50);

            int current;
            while ((current = bis.read()) != -1)
            {
                baf.append((byte) current);
            }

            return new String (baf.toByteArray());
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return "";
    }

EDIT: Changed the code with the answer below, but still got the error message: he could not create an instance of HttpURLConnection (url). I changed it, but now I need to override 3 methods (below)

private static String download(String theUrl)
    {
        try {
            URL url = new URL(theUrl);

            URLConnection ucon = new HttpURLConnection(url) {

                @Override
                public void connect() throws IOException {
                    // TODO Auto-generated method stub

                }

                @Override
                public boolean usingProxy() {
                    // TODO Auto-generated method stub
                    return false;
                }

                @Override
                public void disconnect() {
                    // TODO Auto-generated method stub

                }
            };
            ucon.addRequestProperty("x-api-key", apiKey);
            ucon.connect();

            InputStream is = ucon.getInputStream();
            BufferedInputStream bis = new BufferedInputStream(is);

            ByteArrayBuffer baf = new ByteArrayBuffer(50);

            int current;
            while ((current = bis.read()) != -1)
            {
                baf.append((byte) current);
            }

            return new String (baf.toByteArray());
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return "";
    }

Answer 1

Instead of using, URLConnectionyou should use HttpClientto make a request.

A simple example might look like this:

HttpClient httpclient = new DefaultHttpClient();
HttpGet request = new HttpGet(theUrl);
request.addHeader("x-api-key", apiKey);
HttpResponse response = httpclient.execute(request);

Answer 2

Apache HttpClient . : Android 6.0

URLConnection HttpURLConnection:

HttpURLConnection huc= (HttpURLConnection) url.openConnection();
huc.setRequestProperty("x-api-key","value");