ActionBar Options

Options

extends ListFragment {                                   
    private boolean mSubtitleVisible;   //instance vbl retained
    
onCreate...
        setHasOptionsMenu(true);        //Fragment will be implementing options menu callbacks on behalf of the activity.
        setRetainInstance(true);        //retain
        mSubtitleVisible = false;       //retain is for preserving menu state through rotation event 

@TargetApi(11)  // if ( minSdk < API <  11) !Lint; you have accounted for VERSION_CODE and under    
onCreateView...
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            if (mSubtitleVisible) { getActivity().getActionBar().setSubtitle(R.string.subtitle);  // getActionBar appears in API 11

onCreateOptionsMenu...
        inflater.inflate(R.menu.fragment_crime_list, menu);     // ..../res/menu-v11/ contains xml noted below
        MenuItem showSubtitle = menu.findItem(R.id.menu_item_show_subtitle);
        if (mSubtitleVisible && showSubtitle != null) {         // ROTATION 
            showSubtitle.setTitle(R.string.hide_subtitle);


    @TargetApi(11)
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.menu_item_new_crime:
                startIntent                         // for a new data object maybe
            case R.id.menu_item_show_subtitle:      // dynamically change menu to "hide" or "show" submenu
                if (getActivity().getActionBar().getSubtitle() == null) {
                    getActivity().getActionBar().setSubtitle(R.string.subtitle);
                    mSubtitleVisible = true;
                    item.setTitle(R.string.hide_subtitle);
                } else {
                    getActivity().getActionBar().setSubtitle(null);
                    mSubtitleVisible = false;
                    item.setTitle(R.string.show_subtitle);
                }
                return true;
            default:
                return super.onOptionsItemSelected(item);
========================================================================================================================
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:tools="http://schemas.android.com/tools"
      xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:title="@string/new_object"
          android:id="@+id/menu_item_new_object"
          android:icon="@android:drawable/ic_menu_add"
          android:showAsAction="ifRoom|withText"
          tools:ignore="AppCompatResource"/>
      <item android:id="@+id/menu_item_show_subtitle"
            android:title="@string/show_subtitle"
            android:showAsAction="ifRoom"
            tools:ignore="AppCompatResource"/>
</menu>