facebook users who r not my friends but using the app - facebook

Question

The new Facebook graph api has divided friends into Friends & Invitable_friends .
me/friends/ returns my friends who are using the app while me/invitable_friends/ returns only the list of my friends who are not using the app.
But in my app,a user may interact with random users too who may not be on his friend list.
So how do i get user data for those who are using the app but are not on my friend list.
Thanks.

Answer 1

I went through the same issue and solved it like that: when a user starts your app by default you ask for permission to access his public profile information, which includes real ID, name and some other. You simply store the user data (id, name, etc.)in a database. This way you keep track of all the people using your app and they can interact with each other.
JavaScript Example:
window.fbAsyncInit = function () {
FB._https = true;
console.log('here');
FB.init({ appId: 'xxxxxxxxxxxxxxxx', cookie: true, xfbml: true, oauth: true, version : 'v2.0'});
Login();
};
function Login() {
FB.login(function(response) {
if (response.authResponse){
checkUser();
}
else{
console.log('User cancelled login or did not fully authorize.');
}
}
);
}
function checkUser() {
FB.api('/me', function(response) {
$.ajax({
type: "get",
url: "cgi-bin/checkUser.cgi",
cache: false,
data: {"user_name" : response.name, "u_id" : response.id, "link" : response.link},
success: function() //onSuccess,
{
console.log("user " + response.name + " checked!");
},
error: function()
{
console.log("Error with server connection on user checking");
}
});
});
}
I don't know in what language you are writing the app but I believe that in every language you should call the "login" function, which asks the user for permissions and basically gets access to info.

Answer 2

To get details of users who are using the app but are not your friends,call the following
graph.facebook.com/v2.0/
?ids={comma-separated-ids}&access_token=app_access_token&fields=name,picture
access_token is a must else graph-api returns following error-
The global ID xyz is not allowed. Please use the application specific ID instead.
This will work for all users who have authenticated the app no matter their authentication date,but for any non-app user graph-api returns above error message.