@SuppressWarnings("deprecation")
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    addPreferencesFromResource(R.xml.preferences);
    PreferenceManager.getDefaultSharedPreferences(this)
        .registerOnSharedPreferenceChangeListener(this);

    setupPlaylistPreference();
    setupStyleEditorPreference();
    setupTrailPreference();
    setupLicenseNotes();

    if (Visiblitylistener != null) Visiblitylistener.onVisibilityChanged(true);
  }
  @Override
  protected void onDestroy() {
    super.onDestroy();

    if (Visiblitylistener != null) Visiblitylistener.onVisibilityChanged(false);
  }