StorageManager.StorageVolumeCallback

Kotlin |Java

public static class StorageManager.StorageVolumeCallback
extends Object

java.lang.Object
↳	android.os.storage.StorageManager.StorageVolumeCallback

Callback that delivers StorageVolume related events.

For example, this can be used to detect when a volume changes to the Environment#MEDIA_MOUNTED or Environment#MEDIA_UNMOUNTED states.

See also:

Summary

Public constructors
`StorageVolumeCallback()`

Public methods
`void`	`onStateChanged(StorageVolume volume)` Called when `StorageVolume#getState()` changes, such as changing to the `Environment#MEDIA_MOUNTED` or `Environment#MEDIA_UNMOUNTED` states.

Inherited methods

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long timeoutMillis, int nanos)` Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait(long timeoutMillis)` Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait()` Causes the current thread to wait until it is awakened, typically by being notified or interrupted.

Public constructors

StorageVolumeCallback

public StorageVolumeCallback ()

Public methods

onStateChanged

Added in API level 30

public void onStateChanged (StorageVolume volume)

Called when StorageVolume#getState() changes, such as changing to the Environment#MEDIA_MOUNTED or Environment#MEDIA_UNMOUNTED states.

The given argument is a snapshot in time and can be used to process events in the order they occurred, or you can call StorageManager#getStorageVolumes() to observe the latest value.

Parameters
`volume`	`StorageVolume`: This value cannot be `null`.