code: def app_start_service(self, *args) -> None:
          '''Start a service.'''
          _, error = self._execute('-s', self.device_sn,
                                   'shell', 'am', 'startservice', *args)
          if error and error.startswith('Error'):
              raise ApplicationsException(error.split(':', 1)[-1].strip()f app_start_service(self, *args) -> None:
          '''Start a service.'''
          _, error = self._execute('-s', self.device_sn,
                                   'shell', 'am', 'startservice', *args)
          if error and error.startswith('Error'):
              raise ApplicationsException(error.split(':', 1)[-1].strip())
docs: Start a service.