使用fragmenttabhost后，子fragment怎么获取ID？怎么用getSharedPreferences

使用fragmenttabhost后，子fragment怎么获取ID？怎么用getSharedPreferences

public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
 
        View parentView = inflater.inflate(R.layout.fragment1, container, false);
 
        SharedPreferences pre = getActivity().getSharedPeferences(CFG,);
               //getSharedPeferences("myinfo",Context.MODE_PRIVATE);
 
        return parentView;
 
    }