// Display the domain settings fragment.
supportFragmentManager.beginTransaction().replace(R.id.domain_settings_fragment_container, domainSettingsFragment).commit();
} else { // The device in in single-paned mode
// Display the domain settings fragment.
supportFragmentManager.beginTransaction().replace(R.id.domain_settings_fragment_container, domainSettingsFragment).commit();
} else { // The device in in single-paned mode