B2G/Bluetooth/WebBluetooth-v2/BluetoothManager

Overview

BluetoothManager allows to access all bluetooth adapters available on the device. Adapters are the interfaces that connect to the remote device.

Interface

interface BluetoothManager: EventTarget
{
  attribute EventHandler onadapteradded;
  attribute EventHandler onadapterremoved;

  any              getAdapters(); // array of BluetoothAdapter
  BluetoothAdapter getDefaultAdapter();
};

Event Handlers

• BluetoothManager.onadapteradded
• BluetoothManager.onadapterremoved

onadapteradded

Description

A handler to trigger when a bluetooth adapter is added (i.e., plugged in) to the device.

Parameter

aAdapterEvent

The event is a BluetoothAdapterEvent with property adapter as the added bluetooth adapter and property isDefault indicating whether the added adapter is default adapter.

Sample

function bt_onAdapterAdded(evt) {
  var adapter = evt.adapter;
  var isDefaultAdapter = evt.isDefault;

  if (isDefaultAdapter) {
    // do your things here.
  }
}

var manager = navigator.mozBluetooth;
manager.onadapteradded = bt_onAdapterAdded;

onadapterremoved

Description

A handler to trigger when a bluetooth adapter is removed (i.e., unplugged) from the device.

Parameter

aAddressEvent

The event is a BluetoothAdapterEvent with property address as the address of removed bluetooth adapter and property isDefault indicating whether the removed adapter is default adapter.

Sample

function bt_onAdapterRemoved(evt) {
  var address = evt.address;
  var isDefaultAdapter = evt.isDefault;

  if (isDefaultAdapter) {
    // do your things here.
  }
}

var manager = navigator.mozBluetooth;
manager.onadapterremoved = bt_onAdapterRemoved;

Methods

• BluetoothManager.getAdapters()
• BluetoothManager.getDefaultAdapter()

getAdapters()

Description

The method retrieves all adapters on the device.

Return

An array of BluetoothAdapter objects.

Sample

var manager = navigator.mozBluetooth;
var adapters = manager.getAdapters();

getDefaultAdapter()

Description

The method retrieves the default adapter used to connect to the remote bluetooth devices.

Return

The default BluetoothAdapter object.

Sample

var manager = navigator.mozBluetooth;
var adapter = manager.getDefaultAdapter();

See also

• BluetoothAdapter