title: Create an manual twitter login and show profile ios app
body: <p>I want to create an app to login into twitter, and then show user profile, I known how to show profile but I have to use account from setting. I want to create a login view, I found some information about xAuth and download a demo app, but it always have error 1012, another one is 401. Any other ways to login?
  Please show me how to do this. Thank you!</p>