In addition to implementing the split view controller delegate protocol, the new class eventually manages the detail content. And even if it did not, most of the changes made by a split view delegate are to the detail view.
First, you implement the singleton functionality:
1. Add a new class called
DetailController, based on
NSObject, to the bottom of the iPad group.
DetailController.h and add the following line just above the
@end statement. The
+ sign indicates a class method:
3. Set the contents of
DetailController.m to the code shown in Listing 11-3.