Display Manager
Method
This section describes the following method:
- status
status
Returns the status of the display on the device. If the subscribe parameter is true, then status returns updates (as events) when the screen turns on or off, or dims or brightens.
Parameters
Parameter | Type | Description |
---|---|---|
subscribe | boolean | When set to true, the status method returns events indicating each change in the display's state. When set to false, the status method returns only the current status of the display. |
Return Handling
onSuccess
Attribute | Type | Description |
---|---|---|
returnValue | boolean | true |
event | string |
Returned periodically when subscribe is true, event describes a change in the state of the display:
|
state | string |
Describes the state of the display:
|
subscribed | boolean | Indicates whether the subscription succeeded. |
Example
this.controller.serviceRequest('palm://com.palm.display', { method:'status', parameters:{} });