从android中的周数和年份获取周开始和结束日期

void getStartEndOFWeek(int enterWeek,int enterYear){
//enterWeek is week number
//enterYear is year
        Calendar calendar = Calendar.geTinstance();
        calendar.clear();
        calendar.set(Calendar.WEEK_OF_YEAR,enterWeek);
        calendar.set(Calendar.YEAR,enterYear);

        SimpleDateFormat formatter = new SimpleDateFormat("ddMMM yyyy"); // PST`
        Date startDate = calendar.getTime();
        String startDateinstr = formatter.format(startDatE);
        System.out.println("...date..."+startDateinstr);

        calendar.add(Calendar.DATE,6);
        Date enddate = calendar.getTime();
        String endDaString = formatter.format(enddatE);
        System.out.println("...date..."+endDaString);
    }