The Core iOS Developer’s Cookbook, Fifth Edition

Creating a Search Display Controller

Search display controllers help manage the display of data owned by another controller (in this case, a standard UITableViewController). A search display controller presents a subset of that data in its own table view, usually by filtering that data source through a predicate. You initialize a search display controller by providing it with a search bar and a contents controller.

Set up the search bar’s text trait features as you would normally do but do not set a delegate. The search bar works with the search display controller without explicit delegation on your part.

When setting up the search display controller, make sure you set both its search results data source and delegate, as shown here. These usually ...