harmony 鸿蒙MediaLibrary_RequestId
MediaLibrary_RequestId
Overview
The MediaLibrary_RequestId struct describes a request ID, which is a universally unique identifier (UUID) of a request.
A value of this type is returned when a media asset is requested.
The request ID can be used to cancel a request.
If a request fails, an all-zero value, for example, 00000000-0000-0000-0000-000000000000 is returned.
Since: 12
Related module: MediaAssetManager
Header file: media_asset_base_capi.h
Summary
Member Variables
|Name|Description| |–|–| |char requestId[UUID_STR_MAX_LENGTH]|Request ID.|
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