problem using facebook SDK - Android Q&A, Help & Troubleshooting

Hi i have problem capturing the information using the facebook SDK.
The console dont show any error but capture nothing.
In this code below i want to capture the name provided by the facebook SDK
Code:
package com.eduardoh89saluguia;
import java.util.List;
import com.facebook.Request;
import com.facebook.Response;
import com.facebook.Session;
import com.facebook.Session.OpenRequest;
import com.facebook.Session.StatusCallback;
import com.facebook.SessionDefaultAudience;
import com.facebook.SessionLoginBehavior;
import com.facebook.SessionState;
import com.facebook.model.GraphUser;
import android.support.v7.app.ActionBarActivity;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.TextView;
@SuppressWarnings("unused")
public class Registro extends Activity {
String get_id, get_name, get_gender, get_email, get_birthday, get_locale, get_location;
private Session.StatusCallback fbStatusCallback = new Session.StatusCallback() {
public void call(Session session, SessionState state, Exception exception) {
if (state.isOpened()) {
Request.newMeRequest(session, new Request.GraphUserCallback() {
public void onCompleted(GraphUser user, Response response) {
if (response != null) {
String LOG_TAG = null;
// do something with <response> now
try{
// get_id = user.getId();
get_name = user.getName();
//get_gender = (String) user.getProperty("gender");
//get_email = (String) user.getProperty("email");
//get_birthday = user.getBirthday();
//get_locale = (String) user.getProperty("locale");
//get_location = user.getLocation().toString();
Log.d(LOG_TAG, user.getId() + "; " +
user.getName() + "; " //+
//(String) user.getProperty("gender") + "; " +
//(String) user.getProperty("email") + "; " +
//user.getBirthday()+ "; " +
//String) user.getProperty("locale") + "; " +
//user.getLocation()
);
TextView temp;
temp =(TextView)findViewById(R.id.edit1);
temp.setText("your name is "+get_name);
} catch(Exception e) {
e.printStackTrace();
Log.d(LOG_TAG, "Exception e");
}
}
}
}).executeAsync();
}
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_registro);
findViewById(R.id.button2).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent i=new Intent(getApplicationContext(), Ejecucion.class);
startActivity(i);
}
});
}
private Session openActiveSession(Activity activity, boolean allowLoginUI,
StatusCallback callback, List<String> permissions, Bundle savedInstanceState) {
OpenRequest openRequest = new OpenRequest(activity).
setPermissions(permissions).setLoginBehavior(SessionLoginBehavior.
SSO_WITH_FALLBACK).setCallback(callback).
setDefaultAudience(SessionDefaultAudience.FRIENDS);
String LOG_TAG = null;
Session session = Session.getActiveSession();
Log.d(LOG_TAG, "" + session);
if (session == null) {
Log.d(LOG_TAG, "" + savedInstanceState);
if (savedInstanceState != null) {
session = Session.restoreSession(this, null, fbStatusCallback, savedInstanceState);
}
if (session == null) {
session = new Session(this);
}
Session.setActiveSession(session);
if (session.getState().equals(SessionState.CREATED_TOKEN_LOADED) || allowLoginUI) {
session.openForRead(openRequest);
return session;
}
}
return null;
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
Session.getActiveSession().onActivityResult(this, requestCode, resultCode, data);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.registro, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}