Auto-complete suggestion for email id while typing email id

Friends I want to use automatic suggestion for typing email-id. 开发者_开发技巧I am thinking that it should appear as soon as user type in the uitextfield.

Their is one NSMutableArray which will contain all email-ids. when user type in uitextfield the id which matches in the array should appear.

Anyone knows how to do that?

here is the good tutorial for your question...