Android, Java, Network, Build Url, Build Uri, HttpURLConnection.

NetworkUtils.java

/**
 * Builds the URL from query string.
 *
 * @param searchQuery The search string that will be queried for.
 * @return            The URL to use for the query.
 */
public static URL buildUrl(String searchQuery) {
  String baseUrl = "https://api.github.com/search/repositories";
  String paramQuery = "q";
  
  Uri builtUri = Uri.parse(baseUrl).buildUpon()
    .appendQueryParameter(paramQuery, searchQuery)
    .build();

  URL url = null;
  try {
      url = new URL(builtUri.toString());
  } catch (MalformedURLException e) {
      e.printStackTrace();
  }

  return url;
}

/**
 * This method returns the entire result from the HTTP response.
 *
 * @param url The URL to fetch the HTTP response from.
 * @return    The contents of the HTTP response.
 * @throws    IOException Related to network and stream reading
 */
public static String getResponseFromHttpUrl(URL url) throws IOException {
    HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
    try {
        InputStream in = urlConnection.getInputStream();

        Scanner scanner = new Scanner(in);
        scanner.useDelimiter("\\A");

        boolean hasInput = scanner.hasNext();
        if (hasInput) {
            return scanner.next();
        } else {
            return null;
        }
    } finally {
        urlConnection.disconnect();
    }
}