Considering this issue, to reproduce:
- Clone repo
- Use device with Android Version >= 9
- Run MainActivity
- Check exception being thrown at
deserializeKeyPair()
method. - Disable
//FIAM implementation 'com.google.firebase:firebase-inappmessaging-display:20.0.0' implementation 'com.google.firebase:firebase-analytics:19.0.0'
on gradle and re-run MainActivity,ClassNotFoundException
will not be thrown.