VolumeAutomation | Android Developers [proxy]

public interface VolumeAutomation

android.media.VolumeAutomation

Known indirect subclasses

AudioTrack	The AudioTrack class manages and plays a single audio resource for Java applications.
MediaPlayer	MediaPlayer class can be used to control playback of audio/video files and streams.

VolumeAutomation defines an interface for automatic volume control of AudioTrack and MediaPlayer objects.

Summary

Public methods
`abstract VolumeShaper`	`createVolumeShaper(VolumeShaper.Configuration configuration)` Returns a `VolumeShaper` object that can be used modify the volume envelope of the player or track.

public abstract VolumeShaper createVolumeShaper (VolumeShaper.Configuration configuration)

Returns a VolumeShaper object that can be used modify the volume envelope of the player or track.

Parameters
`configuration`	`VolumeShaper.Configuration`: the `configuration` that specifies the curve and duration to use. This value cannot be `null`.

Returns
`VolumeShaper`	a `VolumeShaper` object This value cannot be `null`.

Throws
`IllegalArgumentException`	if the `configuration` is not allowed by the player.
`IllegalStateException`	if too many `VolumeShaper`s are requested or the state of the player does not permit its creation (e.g. player is released).