android客户端学习-日期弹出框并设定可选最大最小日期

Calendar calendar = Calendar.getInstance();int year = calendar.get(Calendar.YEAR);int monthOfYear = calendar.get(Calendar.MONTH);int dayOfMonth = calendar.get(Calendar.DAY_OF_MONTH);DatePickerDialog datePickerDialog = new DatePickerDialog(activity.this, new DatePickerDialog.OnDateSetListener() {    @Override    public void onDateSet(DatePicker datePicker, int yyyy, int mm, int dd) {        birthday = yyyy + "-" + (mm + 1) + "-" + dd;    }}, year, monthOfYear, dayOfMonth);DatePicker datePicker = datePickerDialog.getDatePicker();Date taday = Calendar.getInstance().getTime();//当天try {    datePicker.setMinDate(taday.getTime());// 最小日期    datePicker.setMaxDate(taday.getTime());// 最大日期} catch (Exception e) {}datePickerDialog.show();