@@ -75,7 +75,7 @@ During camera application development, you can listen for the camera status, inc
Register the 'cameraStatus' event and return the listening result through a callback, which carries the **CameraStatusInfo** parameter. For details about the parameter, see [CameraStatusInfo](../reference/apis/js-apis-camera.md#camerastatusinfo).
@@ -48,7 +48,7 @@ During camera application development, you can listen for the status of metadata
- Register the 'metadataObjectsAvailable' event to listen for metadata objects that are available. When a valid metadata object is detected, the callback function returns the metadata. This event can be registered when a **MetadataOutput** object is created.
@@ -136,7 +136,7 @@ During camera application development, you can listen for the status of the phot
- Register the 'captureStart' event to listen for photographing start events. This event can be registered when a **PhotoOutput** object is created and is triggered when the bottom layer starts exposure for photographing for the first time. The capture ID is returned.
@@ -144,7 +144,7 @@ During camera application development, you can listen for the status of the phot
- Register the 'captureEnd' event to listen for photographing end events. This event can be registered when a **PhotoOutput** object is created and is triggered when the photographing is complete. [CaptureEndInfo](../reference/apis/js-apis-camera.md#captureendinfo) is returned.
| Promise<[AVSessionController](#avsessioncontroller10)\> | Promise used to return the session controller created, which can be used to obtain the session ID,<br>send commands and events to sessions, and obtain metadata and playback state information.|
| Promise<[AVSessionController](#avsessioncontroller10)\> | Promise used to return the session controller created, which can be used to obtain the session ID, send commands and events to sessions, and obtain metadata and playback state information. |
**Error codes**
...
...
@@ -1119,6 +1119,10 @@ For details about the error codes, see [AVSession Management Error Codes](../err
| exposureBias | number | Yes | EV. The supported EV range can be obtained by calling **getExposureBiasRange**. If the value passed is not within the supported range, the nearest critical point is used. There is a step for EV. For example, if the step is 0.5 and this parameter is set to 1.2, the EV that takes effect is 1.0. If the operation fails, an error code defined in [CameraErrorCode](#cameraerrorcode) is returned.|
| exposureBias | number | Yes | EV. The supported EV range can be obtained by calling **getExposureBiasRange**. If the value passed is not within the supported range, the nearest critical point is used. There is a step for EV. For example, if the step is 0.5 and this parameter is set to 1.2, the EV that takes effect is 1.0. If the operation fails, an error code defined in [CameraErrorCode](#cameraerrorcode) is returned.|
**Error codes**
...
...
@@ -1804,7 +1804,7 @@ Obtains the exposure value in use.
| Type | Description |
| ---------- | ----------------------------- |
| number | Exposure value obtained. There is a step for EV. For example, if the step is 0.5 and this parameter is set to 1.2, the EV that takes effect is 1.0. If the operation fails, an error code defined in [CameraErrorCode](#cameraerrorcode) is returned.|
| number | Exposure value obtained. There is a step for EV. For example, if the step is 0.5 and this parameter is set to 1.2, the EV that takes effect is 1.0. If the operation fails, an error code defined in [CameraErrorCode](#cameraerrorcode) is returned.|
**Error codes**
...
...
@@ -2281,7 +2281,7 @@ Listens for focus state changes. This API uses an asynchronous callback to retur