private static List<AttributesColumn> createColumns() {

		List<AttributesColumn> columns = new ArrayList<>();
		int index = 0;

		columns.add(AttributesColumn.createPrimaryKeyColumn(index++, COLUMN_ID));
		columns.add(AttributesColumn.createColumn(index++, COLUMN_NAME,
				GeoPackageDataType.TEXT, false, null));
		columns.add(AttributesColumn.createColumn(index++, COLUMN_DESCRIPTION,
				GeoPackageDataType.TEXT, false, null));
		columns.add(AttributesColumn.createColumn(index++, COLUMN_COLOR,
				GeoPackageDataType.TEXT, false, null));
		columns.add(AttributesColumn.createColumn(index++, COLUMN_OPACITY,
				GeoPackageDataType.REAL, false, null));
		columns.add(AttributesColumn.createColumn(index++, COLUMN_WIDTH,
				GeoPackageDataType.REAL, false, null));
		columns.add(AttributesColumn.createColumn(index++, COLUMN_FILL_COLOR,
				GeoPackageDataType.TEXT, false, null));
		columns.add(AttributesColumn.createColumn(index++, COLUMN_FILL_OPACITY,
				GeoPackageDataType.REAL, false, null));

		return columns;
	}
private static List < AttributesColumn > createColumns ( ) { List < AttributesColumn > columns = new ArrayList < > ( ) ; int index = 0 ; columns . add ( AttributesColumn . createPrimaryKeyColumn ( index ++ , COLUMN_ID ) ) ; columns . add ( AttributesColumn . createColumn ( index ++ , COLUMN_NAME , GeoPackageDataType . TEXT , false , null ) ) ; columns . add ( AttributesColumn . createColumn ( index ++ , COLUMN_DESCRIPTION , GeoPackageDataType . TEXT , false , null ) ) ; columns . add ( AttributesColumn . createColumn ( index ++ , COLUMN_COLOR , GeoPackageDataType . TEXT , false , null ) ) ; columns . add ( AttributesColumn . createColumn ( index ++ , COLUMN_OPACITY , GeoPackageDataType . REAL , false , null ) ) ; columns . add ( AttributesColumn . createColumn ( index ++ , COLUMN_WIDTH , GeoPackageDataType . REAL , false , null ) ) ; columns . add ( AttributesColumn . createColumn ( index ++ , COLUMN_FILL_COLOR , GeoPackageDataType . TEXT , false , null ) ) ; columns . add ( AttributesColumn . createColumn ( index ++ , COLUMN_FILL_OPACITY , GeoPackageDataType . REAL , false , null ) ) ; return columns ; }
Create the style columns

@return columns