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Application Development with Swift by Hossam Ghareeb

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Chapter 3. Touch ID

Starting with this chapter, I will not talk only about Swift. However, I will talk about using Swift in developing apps with the new frameworks and tools introduced by Apple starting with iOS8 such as Touch ID, HealthKit, Metal, WatchKit, and app extensions. These awesome new tools let you write and add new features to your app or come with new app ideas.

What is Touch ID?

Touch ID is a new technology used for authentication starting with iOS 7 and iPhone 5s devices. Initially, it was used only by Apple to unlock the iPhone or make purchases through the App store. Developers couldn't use this technology in their apps. Starting with iOS 8, Apple has introduced a lot of new technologies, and one of them was using Touch ID in third-party ...

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