Entire Site
Free Trial
Safari Books Online is a digital library providing on-demand subscription access to thousands of learning resources.
- Create BookmarkCreate Bookmark
- Create Note or TagCreate Note or Tag
- DownloadDownload
- PrintPrint
Chapter 20. Introduction to Cocoa and Cocoa Touch > Framework Layers
Framework Layers
A diagram is often used to illustrate the different layers that separate the application at the topmost level from the underlying hardware. One such representation is depicted in Figure 20.1.
Figure 20.1. The application hierarchy
- Create BookmarkCreate Bookmark
- Create Note or TagCreate Note or Tag
- DownloadDownload
- PrintPrint