Код: Выделить всё
GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
.requestEmail()
.build();
mGoogleSignInClient = GoogleSignIn.getClient(this, gso);
private void handleSignInResult(Task completedTask) {
GoogleSignInAccount account = completedTask.getResult();
if (account != null) {
photoUrl = account.getPhotoUrl();
name = account.getDisplayName();
email = account.getEmail();
googleId = account.getId();//
Подробнее здесь: [url]https://stackoverflow.com/questions/78503580/how-to-migrate-from-googlesigninclient-to-credential-manager-for-user-authentica[/url]