iOS 8 SDK Development, 2nd Edition

Table Classes

To add a table to an iOS app, we use an instance of UITableView. This is a UIScrollView subclass, itself a subclass of UIView, so it can either be a full-screen view unto itself or embedded as the child of another view. It cannot, however, have arbitrary subviews added to it, as it uses its subviews to present the individual cells within the table view.

The table has two properties that are crucial for it to actually do anything. The most important is the dataSource, which is an object that implements the UITableViewDataSource protocol. This protocol defines methods that tell the table how many sections it has (and optionally what their titles are) and how many rows are in a given section, and provides a cell view for a given ...