Facebook Login with ACAccountType

gistfile1.txt

- (void)facebookLoginWithCompletion:(void (^)(NSString *userID, NSString *email, NSString *fullName))completion
{
    self.accountStore = [[ACAccountStore alloc] init];
    
    ACAccountType *accountType = [self.accountStore accountTypeWithAccountTypeIdentifier:ACAccountTypeIdentifierFacebook];
    
    NSDictionary *options = @{
                              ACFacebookAppIdKey:FACEBOOKAPPID,
                              ACFacebookPermissionsKey: @[@"read_stream", @"basic_info"],
                              
                              ACFacebookAudienceKey:ACFacebookAudienceFriends
                              };
    
    [self.accountStore requestAccessToAccountsWithType:accountType options:options completion:^(BOOL granted, NSError *error) {
        if (granted)
        {
            //NSLog(@"Permission Granted");
            NSArray *accounts = [self.accountStore accountsWithAccountType:accountType];

            ACAccount *account = (ACAccount *)[accounts lastObject];
            
            NSString *userID = [[[account valueForKey:@"properties"] valueForKey:@"uid"] stringValue];
            NSString *email = [[account valueForKey:@"properties"] valueForKey:@"ACUIDisplayUsername"];
            NSString *fullName = [[account valueForKey:@"properties"] valueForKey:@"ACPropertyFullName"];
            
            completion(userID, email, fullName);
            
        }
        else
        {
            NSLog(@"Permission denied");
            NSLog(@"%@", error);
        }
    }];
}