title: How to send a tweet from selected twitter account
body: <p>In my application I want to show all list of twitter accounts and allow user to select one of them to send tweets. How to send tweet from selected account? Is it possible? Here is my code. I send data but it always uses first account...</p>
  
  <pre><code>ACAccountStore *accountStore = [[ACAccountStore alloc] init];
  ACAccountType *accountType = [accountStore accountTypeWithAccountTypeIdentifier:ACAccountTypeIdentifierTwitter];
  ACAccount *twitterAccount = [[accountStore accountsWithAccountType:accountType] objectAtIndex:0];
  NSString *userName = [twitterAccount username];
  NSLog(@"%@", userName);
  TWTweetComposeViewController *twitter =
  [[TWTweetComposeViewController alloc] init];
  [twitter setInitialText:@"Hello"];
  [twitter addURL:[NSURL URLWithString:_baseUrl]];
  [tableViewController presentViewController:twitter animated:YES completion:nil];
  </code></pre>