harmony(鸿蒙)Debugging Assistant Usage

2022-08-09
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Debugging Assistant Usage

The common event and notification module provides debugging tools to facilitate your application development. With these tools, you can view common event and notification information, publish common events, and more. These tools have been integrated with the system. You can run related commands directly in the shell.

cem Debugging Assistant

publish

Function

Publishes a common event.

Usage

cem publish [<options>]

The table below describes the available options.

Option	Description
-e/–event	Indicates the name of the common event to publish. Mandatory.
-s/–sticky	Indicates that the common event to publish is sticky. Optional. By default, non-sticky events are published.
-o/–ordered	Indicates that the common event to publish is ordered. Optional. By default, non-ordered events are published.
-c/–code	Indicates the result code of the common event. Optional.
-d/–data	Indicates the data carried in the common event. Optional.
-h/–help	Indicates the help Information

Example

cem publish --event "testevent"

Publish a common event named testevent.

cem-publish-event

cem publish -e "testevent" -s -o -c 100 -d "this is data"

Publish a sticky, ordered common event named testevent. The result code of the event is 100 and the data carried is this is data.

cem-publish-all

dump

Function

Displays information about common events.

Usage

cem dump [<options>]

The table below describes the available options.

Option	Description
-a/–all	Displays information about all common events that have been sent since system startup.
-e/–event	Displays information about a specific event.
-h/–help	Displays the help information.

Example

cem dump -e "testevent"

Display information about the common event testevent.

cem-dump-e

help

Function

Displays the help information.

Usage

cem help

Example

anm Debugging Assistant

dump

Function

Displays information about notifications.

Usage

anm dump [<options>]

The table below describes the available options.

Option	Description
-A/–active	Displays information about all active notifications.
-R/–recent	Displays information about the recent notifications.
-D/–distributed	Displays information about distributed notifications from other devices.
–setRecentCount	Indicates the number of the cached recent notifications to be displayed. Optional.
-h/–help	Displays the help information.