How to remove "day" column from DatePickerDialog

gistfile1.java

try {
        Field[] datePickerDialogFields = mDateDialog.getClass().getDeclaredFields();
        for(Field datePickerDialogField : datePickerDialogFields) {
        	if(datePickerDialogField.getName().equals("mDatePicker")) {
                datePickerDialogField.setAccessible(true);
                DatePicker datePicker = (DatePicker) datePickerDialogField.get(mDateDialog);
                Field datePickerFields[] = datePickerDialogField.getType().getDeclaredFields();
                for (Field datePickerField : datePickerFields) {
                        if ("mDayPicker".equals(datePickerField.getName()) || "mDaySpinner".equals(datePickerField.getName())) {
                            datePickerField.setAccessible(true);
                            View dayPicker = (View) datePickerField.get(datePicker);
                            dayPicker.setVisibility(View.GONE);
                        }
                }
            }
        }
} catch(Exception e) {}