For the More Curious: Navigating Implementation Files
Both of your view controllers have quite a few methods in their implementation files. To be effective iOS developers, you must be able to go to the code you are looking for quickly and easily. The source editor jump bar in Xcode is one tool at your disposal to help out with this (Figure 11.14).
Figure 11.14 Source editor jump bar
The jump bar shows you where exactly you are within the project (and also where the cursor is within a given file). Figure 11.15 breaks down the jump bar details.
Figure 11.15 Jump bar details
The breadcrumb trail navigation of the ...