private void requestCredentials()

in CredentialsQuickstart/app/src/main/java/com/google/example/credentialsbasic/MainActivity.java [244:289]
31 lines of code
5 McCabe index (conditional complexity)

    private void requestCredentials() {
        // Request all of the user's saved username/password credentials.  We are not using
        // setAccountTypes so we will not load any credentials from other Identity Providers.
        CredentialRequest request = new CredentialRequest.Builder()
                .setPasswordLoginSupported(true)
                .setIdTokenRequested(shouldRequestIdToken())
                .build();

        showProgress();

        mCredentialsClient.request(request).addOnCompleteListener(
                new OnCompleteListener<CredentialRequestResponse>() {
                    @Override
                    public void onComplete(@NonNull Task<CredentialRequestResponse> task) {
                        hideProgress();

                        if (task.isSuccessful()) {
                            // Successfully read the credential without any user interaction, this
                            // means there was only a single credential and the user has auto
                            // sign-in enabled.
                            processRetrievedCredential(task.getResult().getCredential(), false);
                            return;
                        }

                        Exception e = task.getException();
                        if (e instanceof ResolvableApiException) {
                            // This is most likely the case where the user has multiple saved
                            // credentials and needs to pick one. This requires showing UI to
                            // resolve the read request.
                            ResolvableApiException rae = (ResolvableApiException) e;
                            resolveResult(rae, RC_READ);
                            return;
                        }

                        if (e instanceof ApiException) {
                            ApiException ae = (ApiException) e;
                            if (ae.getStatusCode() == CommonStatusCodes.SIGN_IN_REQUIRED) {
                                // This means only a hint is available, but we are handling that
                                // elsewhere so no need to act here.
                            } else {
                                Log.w(TAG, "Unexpected status code: " + ae.getStatusCode());
                            }
                        }
                    }
                });
    }