I want to let the user pick the date and the time, I've finished the date but I don't know how to write hours and minutes to let the user choose date and time.
Here is my setDateTimeField
 private void setDateTimeField() {
    DatePickerDialog datePickerDialog = new DatePickerDialog(this, new DatePickerDialog.OnDateSetListener() {
        @Override
        public void onDateSet(DatePicker datePicker, int selectedYear, int selectedMonth, int selectedDate) {
            year = selectedYear;
            month = selectedMonth;
            day = selectedDate;
            addtime.setText(new StringBuilder().append(year).append("-")
                    .append(month + 1).append("-").append(day));
        }
    },year, month, day);
    final Calendar calendar = Calendar.getInstance();
    Calendar cal = Calendar.getInstance();
    int yy = calendar.get(Calendar.YEAR);
    int mm = calendar.get(Calendar.MONTH);
    int dd = calendar.get(Calendar.DAY_OF_MONTH);
    cal.set(Calendar.MONTH, mm);
    cal.set(Calendar.DAY_OF_MONTH, dd);
    cal.set(Calendar.YEAR, yy);
    datePickerDialog.getDatePicker().setMinDate(cal.getTimeInMillis());
    datePickerDialog.show();
}
 
    