FingerprintAuthentication

1. Use FingerprintHandler & BiometricUtils class for biometric authentication

2. Add below permissions in your AndroidMenifest.xml

   <uses-permission android:name="android.permission.USE_BIOMETRIC" />

   <uses-permission android:name="android.permission.USE_FINGERPRINT" />

3. Use this code for start authentication

    val handler = FingerprintHandler(this)
    handler.initTouchAuth { code, message ->
        if (handler.isSuccess(code)) {
            Toast.makeText(this, message, Toast.LENGTH_LONG).show()
            /* Open next screen from here */
            finish()
        } else {
            errorText.setTextColor(Color.RED)
            errorText.text = message
        }
    }