public Dialog onCreateDialog(Bundle savedInstanceState) {

        Dialog.Builder builder = new AlertDialog.Builder(getActivity());

        builder.setTitle("SOME TITLE");

        builder.setSingleChoiceItems(times, checkedFieldId , new DialogInterface.OnClickListener() {
            @Override
                public void onClick( DialogInterface dialog, int which ){
                    AddEvent.remindBeforeEventText.setText( times[ which ] );
                    checkedFieldId = which;
                    dismiss();
                }
        });
        builder.setPositiveButton( "SET", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int id) {
                // HERE  I WANT TO ADD A NEW VIEW (EG. EditText) to my MainActivity
            }
        });
        builder.setNegativeButton("CANCEL", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int id) { }
        });

        return builder.create();
    }