added in version 22.1.0
belongs to Maven artifact com.android.support:support-media-compat:28.0.0-alpha1

VolumeProviderCompat

public abstract class VolumeProviderCompat
extends Object

java.lang.Object
↳	android.support.v4.media.VolumeProviderCompat

Handles requests to adjust or set the volume on a session. This is also used to push volume updates back to the session after a request has been handled. You can set a volume provider on a session by calling setPlaybackToRemote(VolumeProviderCompat).

Summary

Nested classes
`class`	`VolumeProviderCompat.Callback` Listens for changes to the volume.

Constants
`int`	`VOLUME_CONTROL_ABSOLUTE` The volume control uses an absolute value.
`int`	`VOLUME_CONTROL_FIXED` The volume is fixed and can not be modified.
`int`	`VOLUME_CONTROL_RELATIVE` The volume control uses relative adjustment via `onAdjustVolume(int)`.

Public constructors
`VolumeProviderCompat(int volumeControl, int maxVolume, int currentVolume)` Create a new volume provider for handling volume events.

Public methods
`final int`	`getCurrentVolume()` Get the current volume of the provider.
`final int`	`getMaxVolume()` Get the maximum volume this provider allows.
`final int`	`getVolumeControl()` Get the volume control type that this volume provider uses.
`Object`	`getVolumeProvider()` Gets the underlying framework `VolumeProvider` object.
`void`	`onAdjustVolume(int direction)` Override to handle requests to adjust the volume of the current output.
`void`	`onSetVolumeTo(int volume)` Override to handle requests to set the volume of the current output.
`void`	`setCallback(VolumeProviderCompat.Callback callback)` Sets a callback to receive volume changes.
`final void`	`setCurrentVolume(int currentVolume)` Set the current volume and notify the system that the volume has been changed.

Inherited methods

From class



    java.lang.Object

Constants

VOLUME_CONTROL_ABSOLUTE

added in version 22.1.0

int VOLUME_CONTROL_ABSOLUTE

The volume control uses an absolute value. It may be adjusted using onAdjustVolume(int) or set directly using onSetVolumeTo(int).

Constant Value: 2 (0x00000002)

VOLUME_CONTROL_FIXED

added in version 22.1.0

int VOLUME_CONTROL_FIXED

The volume is fixed and can not be modified. Requests to change volume should be ignored.

Constant Value: 0 (0x00000000)

VOLUME_CONTROL_RELATIVE

added in version 22.1.0

int VOLUME_CONTROL_RELATIVE

The volume control uses relative adjustment via onAdjustVolume(int). Attempts to set the volume to a specific value should be ignored.

Constant Value: 1 (0x00000001)

Public constructors