GraphMeFeedExample

  [FBSession openActiveSessionWithReadPermissions:permissions allowLoginUI:YES completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
            FBRequest *met = [FBRequest requestWithGraphPath:@"/me/feed" parameters:nil HTTPMethod:@"GET"];
            [met startWithCompletionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
                // dapetin result 
            }];
        }];