try {

                            SimpleDateFormat sdf = new SimpleDateFormat(

                                    "yyyy-MM-dd");

                            Calendar c = Calendar.getInstance();

                            c.setTime(sdf.parse(info.getAddTime()));

                            // 设置当前日期

                            c.add(Calendar.DATE, 1); // 日期加1

                            Date date = c.getTime(); // 结果

                            mEditor.putString(ISUPDATAPRODUCT, sdf.format(date));

                            mEditor.commit();

                        } catch (ParseException e) {

                            // TODO Auto-generated catch block

                            e.printStackTrace();

                        }