private void populateIdpList()

in auth/src/main/java/com/firebase/ui/auth/ui/idp/AuthMethodPickerActivity.java [184:222]
36 lines of code
9 McCabe index (conditional complexity)

    private void populateIdpList(List<IdpConfig> providerConfigs) {

        ViewModelProvider supplier = new ViewModelProvider(this);
        mProviders = new ArrayList<>();
        for (IdpConfig idpConfig : providerConfigs) {
            @LayoutRes int buttonLayout;

            final String providerId = idpConfig.getProviderId();
            switch (providerId) {
                case GoogleAuthProvider.PROVIDER_ID:
                    buttonLayout = R.layout.fui_idp_button_google;
                    break;
                case FacebookAuthProvider.PROVIDER_ID:
                    buttonLayout = R.layout.fui_idp_button_facebook;
                    break;
                case EMAIL_LINK_PROVIDER:
                case EmailAuthProvider.PROVIDER_ID:
                    buttonLayout = R.layout.fui_provider_button_email;
                    break;
                case PhoneAuthProvider.PROVIDER_ID:
                    buttonLayout = R.layout.fui_provider_button_phone;
                    break;
                case AuthUI.ANONYMOUS_PROVIDER:
                    buttonLayout = R.layout.fui_provider_button_anonymous;
                    break;
                default:
                    if (!TextUtils.isEmpty(
                            idpConfig.getParams().getString(GENERIC_OAUTH_PROVIDER_ID))) {
                        buttonLayout = idpConfig.getParams().getInt(GENERIC_OAUTH_BUTTON_ID);
                        break;
                    }
                    throw new IllegalStateException("Unknown provider: " + providerId);
            }

            View loginButton = getLayoutInflater().inflate(buttonLayout, mProviderHolder, false);
            handleSignInOperation(idpConfig, loginButton);
            mProviderHolder.addView(loginButton);
        }
    }