With the advent of the iOS Files app in iOS 11, users began to have access to the underlying file system in iOS.
The basic class for iOS documents is UIDocument, which is designed to be subclassed.
UIDocumentBrowserViewController is a view controller designed to implement the user interface of the Files iOS app.
This chapter focuses on the first point: Files.
Using Files and the iOS File System
When the first iPhone was launched, it wasn’t an immediate success. In fact, ...