android 時間大小比較

private void TimeCompare(){
        //格式化時間
        SimpleDateFormat CurrentTime= new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String date1="2015-01-25 09:12:09";
        String date2="2015-01-29 09:12:11";
        try {

            Date beginTime=CurrentTime.parse(date1);
            Date endTime=CurrentTime.parse(date2);
            //判斷是否大於兩天
            if(((endTime.getTime() - beginTime.getTime())/(24*60*60*1000))>=2) {
                Log.v("hi","大於兩天");
            }else{
                Log.v("hi","小於兩天"); 
                }

        } catch (ParseException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        }