getContentResolver().query(uri, projection, selection, selectionArgs, sortOrder)筛选15天内通话记录怎么写

getContentResolver().query(uri, projection, selection, selectionArgs, sortOrder)筛选15天内通话记录怎么写或者选取前100条记录

var cs = resolver.query(CallLog.Calls.CONTENT_URI, null, null, null, CallLog.Calls.DEFAULT_SORT_ORDER ); 怎么返回有限结果