gistfile1.txt

- (IBAction)twitterButtonAction:(id)sender {
    ACAccountStore *accountStore = [[ACAccountStore alloc] init];
    ACAccountType *accountType = [accountStore accountTypeWithAccountTypeIdentifier:ACAccountTypeIdentifierTwitter];
    
    [accountStore requestAccessToAccountsWithType:accountType withCompletionHandler:^(BOOL granted, NSError *error) {
        if (granted) {
            NSArray *accountsArray = [accountStore accountsWithAccountType:accountType];
            if ([accountsArray count] > 0) {
                ACAccount *twitterAccount = [accountsArray lastObject];
                DLog(@"%@ %@", twitterAccount.identifier, twitterAccount.username);
            }
            
        } else {
            DLog(@"%@", [error localizedDescription]);
        }
    }];
    
}