@Override
    public void onItemSelected(final AdapterView<?> parent, final View view, final int position, final long id) {
        lastSelected = position == _entries.size() - 1;
    }
allows dialog title follows the current folder name

@param followDir dialog title will follow the changing of directory
@return this
android-file-chooser/src/main/java/com/obsez/android/lib/filechooser/ChooserDialog.java