harmony 鸿蒙Ability Assistant

2023-02-03
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Ability Assistant

The ability assistant enables you to start applications and test cases. It provides basic application debugging and testing capabilities, for example, starting application components, forcibly stopping processes, and printing application component information.

NOTE

Before using this tool, you must obtain the hdc tool and run the hdc shell command.

help

Displays help information for the Ability Assistant.

Return value

Returns the help information.

Method

  aa help

start

Starts an application component. The target component can be the PageAbility and ServiceAbility components of the FA model or the UIAbility and ServiceExtensionAbility components of the Stage model. The exported tag in the configuration file of the target component cannot be set to false.

Name	Description
-h/–help	Help information.
-d	Device ID. Optional.
-a	Ability name. Mandatory.
-b	Bundle name. Mandatory.
-D	Debugging mode. Optional.

Return value

Returns “start ability successfully.” if the ability is started; returns “error: failed to start ability.” and the corresponding error information otherwise.

Method

  aa start [-d <deviceId>] -a <abilityName> -b <bundleName> [-D]

stop-service

Stops a ServiceAbility.

Name	Description
-h/–help	Help information.
-d	Device ID. Optional.
-a	Ability name. Mandatory.
-b	Bundle name. Mandatory.

Return value

Returns “stop service ability successfully.” if the ServiceAbility is stopped; returns “error: failed to stop service ability.” otherwise.

Method

  aa stop-service [-d <deviceId>] -a <abilityName> -b <bundleName>

dump

Prints information about an application component.

|Name|Level-2 Parameter|Description| |——–|——–|——–| |-h/–help|-|Help information.| |-a/–all|-|Application component information in all missions.| |-l/–mission-list|type (All logs are printed if this parameter is left unspecified.)|For better management, the service side maintains four types of MissionLists, as described below:
- NORMAL: MissionList that is started normally. For example, if A starts B and C, the corresponding MissionList is A->B->C.
- DEFAULT_STANDARD: If a MissionList is damaged, missions with the launch type set to multiton are removed to this MissionList. The Missions in it are not associated with each other.
- DEFAULT_SINGLE: If a MissionList is damaged, missions with the launch type set to singleton are removed to this MissionList. The Missions in it are not associated with each other.
- LAUNCHER: MissionList for launcher abilities.| |-e/–extension|elementName|Extended component information.| |-u/–userId|UserId|Mission stack information of a specified user ID. This parameter must be used together with other parameters. Example commands: aa dump -a -u 100 and aa dump -d -u 100.| |-d/–data|-|DataAbility information.| |-i/–ability|AbilityRecord ID|Detailed information about an application component.| |-c/–client|-|Detailed information about an application component. This parameter must be used together with other parameters. Example commands: aa dump -a -c and aa dump -i 21 -c.|