title: How to keep me logged in with facebook connect on iPhone?
body: <p>Hey, I am using facebook connect sdk for iPhone, every time I start my app and click login, there would be a login screen asking me to input my name and password. </p>
  
  <p>Is there any way to keep me logged in once I input my name and password, that's to say, I needn't to input my name and password again the next time I start my app?</p>