public class PokemonOverviewFragment extends Fragment {

    private static final String EXTRA_POKEMON = "extra_pokemon";

    private Pokemon pokemon; // will survive a destroy recreate because the Bundle it came in will be kept by the OS

    public static PokemonOverviewFragment newInstance(Pokemon pokemon) {
        PokemonOverviewFragment fragment = new PokemonOverviewFragment();

        Bundle bundle = new Bundle();
        bundle.putParcelable(EXTRA_POKEMON, pokemon);

        fragment.setArguments(bundle);

        return fragment;
    }

    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        pokemon = getArguments().getParcelable(EXTRA_POKEMON);
    }
}