Duyệt tìm kiếm Xcode, API, và tài liệu phát triển cho các biểu tượng, chủ đề, và từ khoá hướng giúp đỡ tài liệu học tập Sử dụng các phím tắt giúp ích giúp nhanh chóng để có được câu trả lời nhanh chóng cài đặt bộ tài liệu mới và giữ chúng cho đến nay | 12 Help and Documentation WHAT S IN THIS CHAPTER Browsing the Xcode API and developer documentation Searching for symbols topics and keywords Navigating help documentation Learning handy help shortcuts Using quick help to get fast answers Installing new documentation sets and keep them up to date Modern operating systems are staggering in their size and complexity. The sheer quantity of application program interfaces APIs available to a developer can be overwhelming at times. There are scores of frameworks and libraries each consisting of literally thousands of classes methods functions and constants. Often just finding the correct method or constant can be your most difficult programming task. To help you navigate this jungle of symbols Xcode provides integrated help and documentation. You can browse and search developer documentation. All of the major APIs are indexed allowing you to call up the documentation for any symbol almost instantly. This chapter gives you an overview of what help resources are available shows you how to navigate the documentation and explores a number of different search techniques. A lot of the documentation features are nice to know but aren t critical for day-to-day development. If you want just the essentials from this chapter read the following sections Navigating Documentation Searching Documentation Documentation Shortcuts Download at 208 CHAPTER 12 HELP AND DOCUMENTATION The documentation provided with Xcode along with additional material available through subscription include API Reference Documents Technology Guides Developer Articles Technical Notes and Q As Release Notes Sample Code While programming you re most likely to be using the API reference documents. These are the documents that describe the details of each individual class method function and constant. You ll normally find these by searching or using one of the documentation shortcuts. When you re just getting started or learning a new technology .
