OH_ArkUI_XComponent_StartImageAnalyzer

xcomponent_sys

Function OH_ArkUI_XComponent_StartImageAnalyzer 

Source 
pub unsafe extern "C" fn OH_ArkUI_XComponent_StartImageAnalyzer(
    node: ArkUI_NodeHandle,
    userData: *mut c_void,
    callback: Option<unsafe extern "C" fn(node: ArkUI_NodeHandle, statusCode: ArkUI_XComponent_ImageAnalyzerState, userData: *mut c_void)>,
) -> i32
Available on crate feature api-18 only.
Expand description

Start image analyzer for the specified XComponent instance created by the native API.

§Arguments

  • node - Indicates the pointer to the XComponent instance created by the native API.

  • userData - Indicates the pointer to a user defined data.

  • callback - Indicates the pointer to a image analyzer status callback function.

§Returns

  • Returns the status code of the execution. [ARKUI_ERROR_CODE_NO_ERROR] the execution is successful.

[ARKUI_ERROR_CODE_PARAM_INVALID] component is nullptr or callback is nullptr, or the type of node is not XComponent.

Available since API-level: 18