@ohos.file.fileExtensionInfo (User File Extension Information)
The fileExtensionInfo module defines attributes in RootInfo and FileInfo of the user file access and management module.
NOTE
- The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.
- The APIs provided by this module are system APIs.
Modules to Import
import fileExtensionInfo from '@ohos.file.fileExtensionInfo';
fileExtensionInfo.DeviceType
Defines the values of deviceType used in RootInfo.
System capability: SystemCapability.FileManagement.UserFileService
| Name | Value | Description |
|---|---|---|
| DEVICE_LOCAL_DISK | 1 | Local disk. |
| DEVICE_SHARED_DISK | 2 | Shared disk. |
| DEVICE_SHARED_TERMINAL | 3 | Distributed network device. |
| DEVICE_NETWORK_NEIGHBORHOODS | 4 | Network neighbor device. |
| DEVICE_EXTERNAL_MTP | 5 | MTP device. |
| DEVICE_EXTERNAL_USB | 6 | USB device. |
| DEVICE_EXTERNAL_CLOUD | 7 | Cloud disk. |
fileExtensionInfo.DeviceFlag
Defines the values of deviceFlags used in RootInfo. deviceFlags is used to determine whether a capability is available through the AND operation.
System capability: SystemCapability.FileManagement.UserFileService
Attributes
| Name | Type | Readable | Writable | Description |
|---|---|---|---|---|
| SUPPORTS_READ | number | Yes | No | The device supports read. |
| SUPPORTS_WRITE | number | Yes | No | The device supports write. |
fileExtensionInfo.DocumentFlag
Defines the values of mode used in FileInfo.
System capability: SystemCapability.FileManagement.UserFileService
Attributes
| Name | Type | Readable | Writable | Description |
|---|---|---|---|---|
| REPRESENTS_FILE | number | Yes | No | File. |
| REPRESENTS_DIR | number | Yes | No | Directory. |
| SUPPORTS_READ | number | Yes | No | This file is readable. |
| SUPPORTS_WRITE | number | Yes | No | This file is writable. |