March 2014
Intermediate to advanced
672 pages
40h 11m
English
Content preview from The Core iOS Developer’s Cookbook, Fifth Edition
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Index Titles
The fetched results controller’s sectionIndexTitles property generates a list of section titles from the sections within the fetched data. For Recipe 12-1, that array includes single-letter titles. The default implementation uses the value of each section key to return a list of all known sections.
Two further instance methods, sectionIndexTitleForSectionName: and sectionForSectionIndexTitle:atIndex:, provide section title lookup features. The first returns a title for a section name. The second looks up a section via its title. Override these to use section titles that do not match the data stored in the section name key.
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