Tutorial by Examples

First, establish if the device is capable of accepting Touch ID input. if (context.CanEvaluatePolicy(LAPolicy.DeviceOwnerAuthenticationWithBiometrics, out AuthError)) If it does then we can display the Touch ID UI by using: context.EvaluatePolicy(LAPolicy.DeviceOwnerAuthenticationWithBiometri...

Working Source - https://github.com/benhysell/V.TouchIdExample Long form description - http://benjaminhysell.com/archive/2014/11/authentication-in-xamarin-ios-with-touch-id-or-passcode/ //Simple View with a switch to enable / disable Touch ID and //a button to invoke authentication /// <s...