How to get the Facebook user id using the access token

Question

I have a Facebook desktop application and am using the Graph API. I am able to get the access token, but after that is done - I don\'t know how to get the user\'s ID.

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Answer 1

With the newest API, here's the code I used for it

/*params*/
NSDictionary *params = @{
                         @"access_token": [[FBSDKAccessToken currentAccessToken] tokenString],
                         @"fields": @"id"
                         };
/* make the API call */
FBSDKGraphRequest *request = [[FBSDKGraphRequest alloc]
                              initWithGraphPath:@"me"
                              parameters:params
                              HTTPMethod:@"GET"];

[request startWithCompletionHandler:^(FBSDKGraphRequestConnection *connection,
                                      id result,
                                      NSError *error) {
    NSDictionary *res = result;
    //res is a dict that has the key
    NSLog([res objectForKey:@"id"]);