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

    Log.d(_ClassName, "savedInstanceState = " + savedInstanceState);
}

@Override
protected void onSaveInstanceState(Bundle outState) {
    Log.d(_ClassName, "onSaveInstanceState()...");
    super.onSaveInstanceState(outState);

    // write my data to outState here...
    outState.putBundle(...);
}// onSaveInstanceState()

@Override
public void onBuildHeaders(List<Header> target) {
    // load headers
    loadHeadersFromResource(R.xml....);
}// onBuildHeaders()