Function OH_Scan_CloseScanner 

pub unsafe extern "C" fn OH_Scan_CloseScanner(
    scannerId: *const c_char,
) -> i32

Available on crate features scan and api-12 only.

This API is used to close the connected scanner device.

ohos.permission.PRINT

Arguments

• scannerId - The id to disconnect the scanner.

Returns

• [Scan_ERROR_NONE] Indicates that the scanner connection was successfully closed. [SCAN_ERROR_NO_PERMISSION] Indicates have no permission to use this interface. [SCAN_ERROR_RPC_FAILURE] Indicates an RPC communication error. [SCAN_ERROR_SERVER_FAILURE] Indicates An error occurs in the scan process. [SCAN_ERROR_INVALID_PARAMETER] Indicates that the input parameter is invalid.

Required System Capabilities: SystemCapability.Print.PrintFramework

Available since API-level: 12