iOS autocomplete feature

Question

What most people mean by autocomplete is that the app has a textview/searchbar/whatever which accepts user input. Attached to this component is a tableview which keeps updating

Answer 1

Alternatively, you can use this UITextField subclass (inspired by DOAutocompleteTextField):

https://github.com/hoteltonight/HTAutocompleteTextField

It's got a few more features and is actively developed. The example shows you how to use an array as the data source for the autosuggest text.