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What is Auto Layout?

Auto Layout is a constraint-based layout system. It was introduced with Xcode 6 Beta. It allows developer to create an adaptive UI for the apps that responds appropriately to changes in screen size and device orientation.

Auto Layout dynamically calculates the size and position of all the views in your view hierarchy, based on constraints placed on those views.

Why Auto Layout?

Today we have lots of variants available of iPhone and iPad in size in market. So, the user…

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Apple released most interesting feature Facial recognition with iPhone X. Face ID is a new revolution in recognition. It is a powerful and secure authentication system that’s more convenient, faster and easy than Touch ID.

Face ID is biometric authentication. Biometrics technology is mainly used for identification and access control. Touch ID recognition is also biometric authentication.

Face ID uses LocalAuthentication Framework for authentication and Touch ID uses the same framework for…

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