Volley+oauth-signpostでOAuthリクエスト - Qiita

public class OAuthHurlStack extends HurlStack { private final OAuthConsumer consumer; public OAuthHurlStack(OAuthConsumer consumer) { this.consumer = consumer; } @Override protected HttpURLConnection createConnection(URL url) throws IOException { HttpURLConnection connection = (HttpURLConnection) url.openConnection(); try { this.consumer.sign(connection); } catch (OAuthMessageSignerException e) {