code: public int update(ContentValues values, String whereClause,
  			String[] whereArgs) {
  		return SQLUtils.update(connection, getTableName(), values, whereClause,
  				whereArgs);
  	}
docs: Update all rows matching the where clause with the provided values
  
  @param values
  content values
  @param whereClause
  where clause
  @param whereArgs
  where arguments
  @return updated count