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OHOS-Media-CameraStateCallback.md 5.86 KB

# OHOS::Media::CameraStateCallback<a name="ZH-CN_TOPIC_0000001055358118"></a>

## **Overview**<a name="section1192860886084837"></a>

**Related Modules:**

[MultiMedia\_CameraStateCallback](MultiMedia_CameraStateCallback.md)

**Description:**

Provides functions to response to camera states.

**Since:**

1.0

**Version:**

1.0

## **Summary**<a name="section1385326206084837"></a>

## Public Member Functions<a name="pub-methods"></a>

<a name="table993882186084837"></a>
<table><thead align="left"><tr id="row1642032164084837"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><a name="p1628780351084837"></a><a name="p1628780351084837"></a>Public Member Function Name
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><a name="p1933074763084837"></a><a name="p1933074763084837"></a>Description
</th>
</tr>
</thead>
<tbody><tr id="row115358837084837"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><a name="p1828943655084837"></a><a name="p1828943655084837"></a><a href="MultiMedia_CameraStateCallback.md#gaa9499b36ed4aac41a67065f62342df70">CameraStateCallback</a> ()=default
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><a name="p105220139084837"></a><a name="p105220139084837"></a>&nbsp;
<a name="p2013635481084837"></a><a name="p2013635481084837"></a>A constructor used to create a <a name="b357147616084837"></a><a name="b357147616084837"></a><a href="OHOS-Media-CameraStateCallback.md">CameraStateCallback</a> instance. 
</td>
</tr>
<tr id="row1662588644084837"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><a name="p1436476135084837"></a><a name="p1436476135084837"></a><a href="MultiMedia_CameraStateCallback.md#ga80ba3b334f93c4d9cab07bc749813f9a">~CameraStateCallback</a> ()
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><a name="p2932673084837"></a><a name="p2932673084837"></a>virtual&nbsp;
<a name="p1506380074084837"></a><a name="p1506380074084837"></a>A destructor used to delete the <a name="b325563648084837"></a><a name="b325563648084837"></a><a href="OHOS-Media-CameraStateCallback.md">CameraStateCallback</a> instance. 
</td>
</tr>
<tr id="row1496042617084837"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><a name="p1725712289084837"></a><a name="p1725712289084837"></a><a href="MultiMedia_CameraStateCallback.md#ga29901c517d444a013d44a99350905390">OnCreated</a> (<a href="OHOS-Media-Camera.md">Camera</a> &amp;c)
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><a name="p1636818446084837"></a><a name="p1636818446084837"></a>virtual void&nbsp;
<a name="p1569506649084837"></a><a name="p1569506649084837"></a>Called when the camera is successfully created. 
</td>
</tr>
<tr id="row1161319698084837"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><a name="p1322753927084837"></a><a name="p1322753927084837"></a><a href="MultiMedia_CameraStateCallback.md#ga9844a6e2c1d4295fe23537a918bdc683">OnCreateFailed</a> (const std::string cameraId, int32_t errorCode)
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><a name="p652702112084837"></a><a name="p652702112084837"></a>virtual void&nbsp;
<a name="p1776162075084837"></a><a name="p1776162075084837"></a>Called when the camera fails to be created. 
</td>
</tr>
<tr id="row533440666084837"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><a name="p2006532559084837"></a><a name="p2006532559084837"></a><a href="MultiMedia_CameraStateCallback.md#ga4351c9011831fe3e93d986e5a287fe80">OnReleased</a> (<a href="OHOS-Media-Camera.md">Camera</a> &amp;c)
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><a name="p612285546084837"></a><a name="p612285546084837"></a>virtual void&nbsp;
<a name="p1308283547084837"></a><a name="p1308283547084837"></a>Called when the camera is released. 
</td>
</tr>
<tr id="row1766493792084837"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><a name="p1491168446084837"></a><a name="p1491168446084837"></a><a href="MultiMedia_CameraStateCallback.md#ga5a0115afe9c5a7ddf8e9acd93a03fd21">OnConfigured</a> (<a href="OHOS-Media-Camera.md">Camera</a> &amp;c)
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><a name="p597015559084837"></a><a name="p597015559084837"></a>virtual void&nbsp;
<a name="p1018752427084837"></a><a name="p1018752427084837"></a>Called when the camera is configured. 
</td>
</tr>
<tr id="row1731659382084837"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><a name="p1272043111084837"></a><a name="p1272043111084837"></a><a href="MultiMedia_CameraStateCallback.md#gab334119760044ef810ce8ac2301c0d16">OnConfigureFailed</a> (const std::string cameraId, int32_t errorCode)
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><a name="p2102965863084837"></a><a name="p2102965863084837"></a>virtual void&nbsp;
<a name="p1070773310084837"></a><a name="p1070773310084837"></a>Called when the camera fails to be configured. 
</td>
</tr>
</tbody>
</table>

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提交于 2020-09-08 10:08 . add OpenHarmony 1.0 baseline

OHOS::Media::CameraStateCallback

Overview

Related Modules:

MultiMedia_CameraStateCallback

Description:

Provides functions to response to camera states.

Since:

1.0

Version:

1.0

Summary

Public Member Functions

Public Member Function Name	Description
CameraStateCallback ()=default	A constructor used to create a CameraStateCallback instance.
~CameraStateCallback ()	virtual A destructor used to delete the CameraStateCallback instance.
OnCreated (Camera &c)	virtual void Called when the camera is successfully created.
OnCreateFailed (const std::string cameraId, int32_t errorCode)	virtual void Called when the camera fails to be created.
OnReleased (Camera &c)	virtual void Called when the camera is released.
OnConfigured (Camera &c)	virtual void Called when the camera is configured.
OnConfigureFailed (const std::string cameraId, int32_t errorCode)	virtual void Called when the camera fails to be configured.

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