Null not handled when parsing media size resource id attribute.

                    final int heightMils = Integer.parseInt(parser.getAttributeValue(null,

                            ATTR_HEIGHT_MILS));

                    String packageName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME);

                    final int labelResId = Integer.parseInt(parser.getAttributeValue(null,

                            ATTR_LABEL_RES_ID));

                    String labelResIdString = parser.getAttributeValue(null, ATTR_LABEL_RES_ID);

                    final int labelResId = (labelResIdString != null)

                            ? Integer.parseInt(labelResIdString) : 0;

                    label = parser.getAttributeValue(null, ATTR_LABEL);

                    MediaSize mediaSize = new MediaSize(id, label, packageName, labelResId,

                                widthMils, heightMils);