Facebook post to wall

app.js

var win = Ti.UI.createWindow();

Titanium.Facebook.appid = '187692147928682';
Titanium.Facebook.permissions = ['publish_stream'];
Titanium.Facebook.addEventListener('logout', function(e) {
    alert('Logged out');
	button.title = "Login";
});
Ti.Facebook.addEventListener('login', function(e) {
	Ti.API.info("Logged in now!");
    if ( ! e.cancelled && ! e.error) {
		button.title = "Logout";
		postToFeed();
    }
	else {
		Ti.API.info("Error logging in");
	}
}); 

var button = Ti.UI.createButton({ 
	top:100,
	height: 60,
	width: 200
});
if(Ti.Facebook.loggedIn) {
	button.title = "Logout";
}
else {
	button.title = "Login";
}
win.add(button); 

button.addEventListener('click', function(e){
	if(Ti.Facebook.loggedIn) {
		Ti.Facebook.logout();
		button.title = "Login";
		Ti.API.info("already logged in..");
	}
	else {
		Ti.API.info("Not logged in.. Logging in");
		Ti.Facebook.authorize();
		button.title = "Logout";
	}
});

var postToFeed = function(e){
	var data = {
		link: "https://developer.mozilla.org/en/JavaScript",
		name: "Best online Javascript reference",
		message: "Use Mozilla's online Javascript reference",
		caption: "MDN Javascript Reference",
		picture: "https://developer.mozilla.org/media/img/mdn-logo.png",
		description: "This section is dedicated to JavaScript..."
	};
	Titanium.Facebook.dialog('feed', data, function(e) {
	// Titanium.Facebook.requestWithGraphPath('feed', data, 'POST', function(e) {
		Ti.API.info('Callback ran!');
        if (e.success&&e.result) {
           alert('Posted to your Facebook wall');
        } else {
            if (e.error) {
                Ti.UI.createAlertDialog({
                    title:'Facebook Error',
                    message:e.error
                }).show();
            } else if (e.cancelled) {
                Ti.API.info('Facebook was cancelled');
            } else {
                Ti.API.info('Facebook threw up an unkown result');
            }
        }
    });
};

var postButton = Ti.UI.createButton({
	title: 'Post',
	height: 60,
	width: 200,
	top: 200
});
postButton.addEventListener('click', function(e){
	postToFeed();
});

win.add(postButton);

win.open();