title: Android BiometricPrompt Compat library
body: <p>Hi as mention in <a href="https://android-developers.googleblog.com/2018/06/better-biometrics-in-android-p.html" rel="noreferrer">this</a> post there is <strong>BiometricPrompt API</strong> for devices supporting Android O and lower but I am unable to find out <strong>BiometricPrompt Compat Library</strong> (as mention in image), is anyone able to help me to point out where is that support library, any link or guide?<a href="https://i.stack.imgur.com/wNUuK.png" rel="noreferrer"><img src="https://i.stack.imgur.com/wNUuK.png" alt="enter image description here"></a></p>