This method is called in order to filer a specific app

        :param log: an object which corresponds to a unique app
        :param bytes fileraw: the raw file as bytes
        :rtype: a tuple with 2 elements, the return value (boolean) if it is necessary to
                continue the analysis and the file type

def filter_file(self, log, fileraw):
        """
        This method is called in order to filer a specific app

        :param log: an object which corresponds to a unique app
        :param bytes fileraw: the raw file as bytes
        :rtype: a tuple with 2 elements, the return value (boolean) if it is necessary to
                continue the analysis and the file type
        """
        file_type = androconf.is_android_raw(fileraw)
        if file_type in ["APK", "DEX", "DEY", "AXML", "ARSC"]:
            return True, file_type
        return False, None