how to use an active access token to query information about the current user

so i wrote this bit of code:

Ti.Facebook.requestWithGraphPath('me?fields=name,picture', {}, 'GET', function(e) { if (e.success) { var response = JSON.parse(e.result); } else if (e.error) { alert("Error = "+e.error); } else { alert('Unknown response'); }
});

var profileView = Ti.UI.createImageView({ image:'https://graph.facebook.com/'+Ti.Facebook.uid+'/picture?type=square', top: 65, left: 20, height:70, });

var url = 'https://graph.facebook.com/me/name';

var httpClient = Titanium.Network.createHTTPClient({ onload: function() { var reply = JSON.stringify(this.responseText); Ti.API.info('user id ' + Titanium.Facebook.uid); Ti.API.info('user name: ' + reply); Ti.API.info('access token: ' + Ti.Facebook.accessToken);

callback(reply);         
}

});
httpClient.open("GET",url); httpClient.send();

basically what i want to achieve is to show the users name from Facebook

upon running the app i get the following error:

[INFO] user name: "{\"error\":{\"message\":\"An active access token must be used to query information about thecurrent user.\",\"type\":\"OAuthException\",\"code\":2500}}"

my question is where to i place the access token (as you can see i have found what the access token is via Ti.API.info('access token: ' + Ti.Facebook.accessToken);

but i don't now how to implement it

what aren't you using the buit in Facebook API calls?

http://docs.appcelerator.com/titanium/2.1/#!/api/Titanium.Facebook

https://github.com/appcelerator/KitchenSink/tree/master/Resources/ui/common/mashups

look at the facebook samples