How to specify the sort order for the query to a content provider
try below code change COLUMN_NAME with actual column name on which you wants to sort.
new CursorLoader(context, RepresentativeEntityContentProvider.CONTENT_URI, null, null, null, "COLUMN_NAME ASC");
new CursorLoader(context, RepresentativeEntityContentProvider.CONTENT_URI, null, null, null, "column_name ASC");
or
new CursorLoader(context, RepresentativeEntityContentProvider.CONTENT_URI, null, null, null, "column_name DESC")
;