NSCoding Tutorial for iOS: How to Permanently Save App Data | raywenderlich.com

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In this NSCoding tutorial, you’ll learn how to save and persist iOS app data so that your app can resume its state after quitting.

This is a companion discussion topic for the original entry at https://www.raywenderlich.com/6733-nscoding-tutorial-for-ios-how-to-permanently-save-app-data
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Unable to run starter project. Lot’s of errors. Using X Code 10 with Swift 4.2

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Hello rbrew,
Thank you for pointing this out, and apologies for that :]
The materials have been updated, please re-download them, and please don’t hesitate to ask if you encountered any issues, or needed something to be clarified :]

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Thank-you for this informative tutorial. One small syntax issue. print(documentsDirectoryURL.absoluteString) needs to be print(privateDocsDir.absoluteString) to avoid “Use of unresolved identifier ‘documentsDirectoryURL’” compiler warning.

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@ehabamer Can you please help with this when you get a chance? Thank you - much appreciated! :]

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Hello @marcy, I checked the line you mentioned and I suspect that you didn’t place the print in the correct block, it should be entered within the initialization block of “privateDocsDir”.
It will have a variable named “documentsDirectoryURL” defined (which is what is being returned to initialize it.

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This tutorial is more than six months old so questions are no longer supported at the moment for it. Thank you!