android 日期选择器

//出生年月设置private void birthSetting() {    Calendar calendar = Calendar.getInstance();    calendar.add(Calendar.DAY_OF_YEAR, 1);    new DatePickerDialog(mContext, new DatePickerDialog.OnDateSetListener() {        @Override        public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {            String month = (monthOfYear + 1) < 10 ? "0" + String.valueOf(monthOfYear + 1) : String.valueOf(monthOfYear + 1);            tvBirth.setText(new StringBuilder().append(year).append("-").append(month).append("-").append(dayOfMonth));//tvBirth就是选择日期结果textview        }    }, calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH),            calendar.get(Calendar.DAY_OF_MONTH)).show();}