harmony(鸿蒙)Debugging Assistant Usage
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 -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.
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.
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. |
- Example
anm dump -A
Display information about all active notifications.
anm dump --setRecentCount 10
Set the number of the cached recent notifications to be displayed to 10.
help
- Function
Displays the help information.
- Usage
anm help
- Example
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