VolumeManager

Tags: 2.5 Privileged

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();