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iOS App Extensions

Give your apps a larger reach with extensions! In this series, you’ll learn about photo extension and today extensions (also known as widgets) introduced in iOS 8. You’ll build out the extensions from starter apps to get a photo filtering extension and a today extension that tracks an RSS feed. You’ll also learn some techniques and concepts that are common across all extensions, such as app groups, sharing data, and keeping the UI lightweight. This series has been updated for iOS 9/Swift 2. By Tim Mitra.

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Find out what's covered in our iOS App Extensions video tutorial series.

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Learn how to set up a Photo Extension target and use the two Photo Extension methods.

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Learn how to save adjustment data from a Photo Extension.

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Learn how to load adjustment data in a Photo Extension.

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Learn about sharing data between the app and the Photo Extension.

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Learn the basics of using Today Extensions, also known as Widgets.

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Learn how to set up the interface for a Today Extension.

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Learn how to use a shared container to share data between the app and the extension via Core Data.

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Learn how to keep the Today Extension up to date with NSURLSession.

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Learn how to use URL Schemes to communicate from the Extension to the app.