Saving Data in iOS

May 31 2022 · Swift 5.5, iOS 15, Xcode 13

Part 1: Files & Data

02. Documents Directory URL

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Notes: 02. Documents Directory URL

Apple’s FileManager documentation to help you familiarize with its functionality.

This course was originally recorded in April 2020. It has been reviewed and all content and materials updated as of November 2021.

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You want to save data in a file, but where do files go on iOS?

import Foundation
FileManager.default
FileManager.default.urls(for: <#T##FileManager.SearchPathDirectory#>, in: <#T##FileManager.SearchPathDomainMask#>)
.documentDirectory
.userDomainMask
[0]
var documentDirectoryURL: URL {
  FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
}
extension FileManager {
  var documentDirectoryURL: URL {
    FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
  }
}
static
default.urls(
`default`.urls(...)
FileManager.documentDirectoryURL
FileManager.documentdirectoryURL
public