Video Tutorial: iOS App Extensions Part 4: Photo Extensions: Shared Settings

Learn how to share settings data between your app and your photo extension. By Greg Heo.

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Video Tutorial: iOS App Extensions Part 4: Photo Extensions: Shared Settings

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Challenge

Your challenge is to add a separate counter for photos processed in the extension, save this counter value to the NSUserDefaults in the shared container, and then access the value from the app to show on the settings screen. See the Challenge PDF for full details.

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