case android.R.id.home: // The home arrow is identified as `android.R.id.home`, not just `R.id.home`.
if (twoPanedMode) { // The device is in two-paned mode.
// Save the current domain settings if the domain settings fragment is displayed.
case android.R.id.home: // The home arrow is identified as `android.R.id.home`, not just `R.id.home`.
if (twoPanedMode) { // The device is in two-paned mode.
// Save the current domain settings if the domain settings fragment is displayed.