volley + signpost

OAuthStack.java

import com.android.volley.toolbox.HurlStack;
import oauth.signpost.OAuthConsumer;
import oauth.signpost.exception.OAuthCommunicationException;
import oauth.signpost.exception.OAuthExpectationFailedException;
import oauth.signpost.exception.OAuthMessageSignerException;

import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;

public class OAuthStack extends HurlStack{
    private final OAuthConsumer consumer;
    public OAuthStack(OAuthConsumer consumer) {
        this.consumer = consumer;
    }

    @Override
    protected HttpURLConnection createConnection(URL url) throws IOException {
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        try {
            consumer.sign(connection);
        } catch (OAuthMessageSignerException e) {
            e.printStackTrace();
        } catch (OAuthExpectationFailedException e) {
            e.printStackTrace();
        } catch (OAuthCommunicationException e) {
            e.printStackTrace();
        }
        return connection;
    }
}

// OAuthConsumer consumer = ~
// RequestQueue queue = Volley.newRequestQueue(this.getActivity(), new OAuthStack(consumer));

Nicely done 😄