Added in API level 16

VolumeCallback

abstract class VolumeCallback
kotlin.Any
   ↳ android.media.MediaRouter.VolumeCallback

Interface for receiving events about volume changes. All methods of this interface will be called from the application's main thread.

A VolumeCallback will only receive events relevant to routes that the callback was registered for.

Summary

Public constructors

Public methods
abstract Unit

Called when the volume for the route should be set to the given value

abstract Unit

Called when the volume for the route should be increased or decreased.

Public constructors

VolumeCallback

VolumeCallback()

Public methods

onVolumeSetRequest

Added in API level 16
abstract fun onVolumeSetRequest(
    info: MediaRouter.RouteInfo!,
    volume: Int
): Unit

Called when the volume for the route should be set to the given value

Parameters
info MediaRouter.RouteInfo!: the route affected by this event
volume Int: an integer indicating the new volume value that should be used, always between 0 and the value set by UserRouteInfo#setVolumeMax(int).

onVolumeUpdateRequest

Added in API level 16
abstract fun onVolumeUpdateRequest(
    info: MediaRouter.RouteInfo!,
    direction: Int
): Unit

Called when the volume for the route should be increased or decreased.

Parameters
info MediaRouter.RouteInfo!: the route affected by this event
direction Int: an integer indicating whether the volume is to be increased (positive value) or decreased (negative value). For bundled changes, the absolute value indicates the number of changes in the same direction, e.g. +3 corresponds to three "volume up" changes.