Toolbar is hidden in nested PreferenceScreen

Question

I use PreferenceFragment in ActionBarActivity from support-v7 library.
In the Activity I have Toolbar. Everything goes okay, until I o

Answer 1

Here comes my solution, which is inspired by the original answer but not that complicated. Maybe it'll help someone...

layout/settings.xml:

Classes:

public class SettingsActivity extends ActionBarActivity {
  @Override
  protected void onCreate( Bundle savedInstanceState ) {
    setContentView( R.layout.settings );
    super.onCreate( savedInstanceState ); 
    initializeSupportActionBar();
    getFragmentManager().beginTransaction().replace( R.id.content, new MainFragment() ).commit();
  }

  @Override
  public void onBackPressed() {
    if( !getFragmentManager().popBackStackImmediate() ) super.onBackPressed();
  }
}

public class MainFragment extends PreferenceFragment {

  public MainFragment() {}

  @Override
  public void onCreate( Bundle savedInstanceState ) {
    super.onCreate( savedInstanceState );
    addPreferencesFromResource( R.xml.pref_main );
    // "nested" is the `
    findPreference( "nested" ).setOnPreferenceClickListener( new OnPreferenceClickListener() {
      @Override public boolean onPreferenceClick( Preference preference ) {
        getFragmentManager().beginTransaction().replace( R.id.content, new NestedFragment() ).addToBackStack( NestedFragment.class.getSimpleName() ).commit();
        return true;
      }
    } );
  }

public class NestedFragment extends PreferenceFragment {
  ...
}

I tested it on 4.3 and 5.0.2 and no limitation on nesting levels applies