VolumeManager

Description

The VolumeManager interface provides ways to change/show the audio volumes of the system.

Properties

Methods:

• VolumeManager.requestUp()
  Send an event to system application for increasing current audio volume.

• VolumeManager.requestDown()
  Send an event to system application for decreasing current audio volume.

• VolumeManager.requestShow()
  Send an event to system application for showing current audio volume.

Example

var volume = navigator.volumeManager;

// request system application to increase audio volume

volume.requestUp();

// request system application to decrease audio volume

volume.requestDown();

// request system application to show the volume status

volume.requestShow();