Google Smart Lock across multiple apps
问题 I've been trying to get Google's Smart Lock to work between two apps that I have (unfortunately with different keystores), but not having any luck. It's straightforward to save a password in Smart Lock for one app ( APP 1 ) doing something like: Credential credential = new Credential.Builder(email) .setPassword(password) .build(); Auth.CredentialsApi.save(mCredentialsApiClient, credential).setResultCallback(... However, when I try to make a CredentialRequest in APP 2 it's not able to read the