final DatePicker datePicker = (DatePicker) findViewById(R.id.datePicker);
final TimePicker timePicker = (TimePicker) findViewById(R.id.timePicker);
Date d=new Date(Math.max(event.dtstart,GregorianCalendar.getInstance().getTimeInMillis()));
final DatePicker datePicker = (DatePicker) findViewById(R.id.datePicker);
final TimePicker timePicker = (TimePicker) findViewById(R.id.timePicker);
Date d=new Date(Math.max(event.dtstart,GregorianCalendar.getInstance().getTimeInMillis()));