This package provides methods to query information about external storage devices.
| 类 | 说明 |
|---|---|
| CachePolicy |
Provides methods for setting cache policies.
|
| DataUsage |
A basic class for device space management.
|
| StatVfs |
Provides methods to query the capacity of the file system, such as the total and available capacity.
|
| Volume |
Provides methods for querying information about storage devices.
|
| 枚举 | 说明 |
|---|---|
| MountState |
Indicates the mount state of a device.
|