-1
I got it inside the onCreate:
final DatePickerDialog.OnDateSetListener date = new DatePickerDialog.OnDateSetListener() {
        @Override
        public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
            // TODO Auto-generated method stub
            myCalendar.set(Calendar.YEAR, year);
            myCalendar.set(Calendar.MONTH, monthOfYear);
            myCalendar.set(Calendar.DAY_OF_MONTH, dayOfMonth);
            updateLabel(myCalendar);
        }
    };
    editText.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            // TODO Auto-generated method stub
            new DatePickerDialog(AgendamentoActivity.this, date, myCalendar
                    .get(Calendar.YEAR), myCalendar.get(Calendar.MONTH),
                    myCalendar.get(Calendar.DAY_OF_MONTH)).show();
        }
    });
And that out:
private void updateLabel(Calendar myCalendar) {
    String dia = myCalendar.toString();
    Log.d("TAG", "DATA " + dia);
}
How do I pick the selected date from within the day variable?

You want the full date (Date object) or the day?
– André Ozawa
I would like dd/mm/YYYY
– GustavoSevero