Android DatePickerDialog: Set min and max date for selection

Question

I know there are quite a lot of question for this but none of the solutions are working for me, so this question. I want to restrict user to select date before today, but am

Answer 1

Get System Time and subtract 1 second from It

 @Override
 public Dialog onCreateDialog(Bundle savedInstanceState) {
    Calendar calendar = Calendar.getInstance();
    int year    = calendar.get(Calendar.YEAR);
    int month   = calendar.get(Calendar.MONTH);
    int day     = calendar.get(Calendar.DAY_OF_MONTH);

     dialog = new DatePickerDialog(act, listener, year, month, day);
     dialog.getDatePicker().setMinDate(System.currentTimeMillis() -1000);
     return dialog;
 }