SharedPreferences sp = getSharedPreferences("sp_demo", Context.MODE_PRIVATE);
                                SharedPreferences.Editor edit=sp.edit();
                                edit.putString("name",mobile);
                                edit.putInt("uid",uid);
                                edit.commit();

  SharedPreferences sp = getActivity().getSharedPreferences("sp_demo", Context.MODE_PRIVATE);
        int uid = sp.getInt("uid", 0);
        String name=sp.getString("name", null);

   SharedPreferences sp= getSharedPreferences("sp_demo", Context.MODE_PRIVATE);
               sp.edit().clear().commit();