日期、时间选择器

bt_choose.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Calendar calendar=Calendar.getInstance();
final int year = calendar.get(Calendar.YEAR);
final int month = calendar.get(Calendar.MONTH);
final int day = calendar.get(Calendar.DAY_OF_MONTH);
DatePickerDialog dpd=new DatePickerDialog(MainActivity.this, new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
et_date.setText(year+"-"+（month+1）+"-"+day);
}
}, year, month, day);
dpd.show();

}
});
bt_choose_time.setOnClickListener(new View.OnClickListener() {
Calendar calendar=Calendar.getInstance();
fianal int hour =calendar.get(Calendar.HOUR_OF_DAY);
fianal int minute =calendar.get(Calendar.MINUTE);
@Override
public void onClick(View v) {
TimePickerDialog tpd=new TimePickerDialog(MainActivity.this, new TimePickerDialog.OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
et_time.setText(hour+":"+minute);
}
}, hour, minute, true);
tpd.show();

}
});