SecondScreen Module

Version SecondScreen 1.4.1

Table of Contents

• Table of Contents
• Usage
• Overview
• Methods
  • device
  • friendlyName
  • listen
  • once
  • protocols
• Events
  • closeRequest
  • friendlyNameChanged
  • launchRequest
• Types

Usage

To use the SecondScreen module, you can import it into your project from the Firebolt SDK:

import { SecondScreen } from '@firebolt-js/sdk'

Overview

Methods for communicating with second screen devices

Methods

device

Get the broadcasted id for the device

function device(type: string): Promise<string>

Parameters:

Promise resolution:

Capabilities:

Examples

Default Example

JavaScript:

import { SecondScreen } from '@firebolt-js/sdk'

let deviceId = await SecondScreen.device(null)
console.log(deviceId)

Value of deviceId:

'device-id'

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "SecondScreen.device",
  "params": {}
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "device-id"
}

friendlyName

Get the broadcasted friendly name for the device

To get the value of friendlyName call the method like this:

function friendlyName(): Promise<string>

Promise resolution:

Capabilities:

Examples

Default Example

JavaScript:

import { SecondScreen } from '@firebolt-js/sdk'

let friendlyName = await SecondScreen.friendlyName()
console.log(friendlyName)

Value of friendlyName:

'Living Room'

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "SecondScreen.friendlyName",
  "params": {}
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "Living Room"
}

To subscribe to notifications when the value changes, call the method like this:

function friendlyName(callback: (value) => string): Promise<number>

Promise resolution:

number

Examples

Default Example

JavaScript:

import { SecondScreen } from '@firebolt-js/sdk'

let listenerId = await friendlyName((value) => {
  console.log(value)
})
console.log(listenerId)

Value of friendlyName:

'Living Room'

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "SecondScreen.onFriendlyNameChanged",
  "params": {
    "listen": true
  }
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "Living Room"
}

listen

To listen to a specific event pass the event name as the first parameter:

listen(event: string, callback: (data: any) => void): Promise<number>

Parameters:

Promise resolution:

Callback parameters:

To listen to all events from this module pass only a callback, without specifying an event name:

listen(callback: (event: string, data: any) => void): Promise<number>

Parameters:

Callback parameters:

Promise resolution:

See Listening for events for more information and examples.

once

To listen to a single instance of a specific event pass the event name as the first parameter:

once(event: string, callback: (data: any) => void): Promise<number>

The once method will only pass the next instance of this event, and then dicard the listener you provided.

Parameters:

Promise resolution:

Callback parameters:

To listen to the next instance only of any events from this module pass only a callback, without specifying an event name:

once(callback: (event: string, data: any) => void): Promise<number>

Parameters:

Callback parameters:

Promise resolution:

See Listening for events for more information and examples.

protocols

Get the supported second screen discovery protocols

function protocols(): Promise<BooleanMap>

Promise resolution:

BooleanMap

Capabilities:

Examples

Default Example

JavaScript:

import { SecondScreen } from '@firebolt-js/sdk'

let protocols = await SecondScreen.protocols()
console.log(protocols)

Value of protocols:

{
	"dial1.7": true
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "SecondScreen.protocols",
  "params": {}
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "dial1.7": true
  }
}

Events

closeRequest

function listen('closeRequest', () => void): Promise<number>

See also: listen(), once(), clear().

Event value:

SecondScreenEvent

Capabilities:

Examples

Default Example

JavaScript:

import { SecondScreen } from '@firebolt-js/sdk'

SecondScreen.listen('closeRequest', (closeRequestEvent) => {
  console.log(closeRequestEvent)
})

Value of closeRequestEvent:

{
	"type": "dial",
	"version": "1.7"
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "SecondScreen.onCloseRequest",
  "params": {
    "listen": true
  }
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "type": "dial",
    "version": "1.7"
  }
}

friendlyNameChanged

See: friendlyName

launchRequest

function listen('launchRequest', () => void): Promise<number>

See also: listen(), once(), clear().

Event value:

SecondScreenEvent

Capabilities:

Examples

Default Example

JavaScript:

import { SecondScreen } from '@firebolt-js/sdk'

SecondScreen.listen('launchRequest', (launchRequestEvent) => {
  console.log(launchRequestEvent)
})

Value of launchRequestEvent:

{
	"type": "dial",
	"version": "1.7",
	"data": "{\"code\":\"AQDPQZiQcb3KQ7gY7yy5tHTMbbkGHR9Zjp-KL53H3eKBZIeAt7O9UKYPu6B21l2UZVmIqkFXDXBmXvK4g2e3EgZtjMNmKPsTltgnRl95DImtOXjSpWtTjSaOkW4w1kZKUTwLKdwVWTzBVH8ERHorvLU6vCGOVHxXt65LNwdl5HKRweShVC1V9QsyvRnQS61ov0UclmrH_xZML2Bt-Q-rZFjey5MjwupIb4x4f53XUJMhjHpDHoIUKrjpdPDQvK2a\",\"friendlyName\":\"Operator_TX061AEI\",\"UDN\":\"608fef11-2800-482a-962b-23a6690c93c1\"}"
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "SecondScreen.onLaunchRequest",
  "params": {
    "listen": true
  }
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "type": "dial",
    "version": "1.7",
    "data": "{\"code\":\"AQDPQZiQcb3KQ7gY7yy5tHTMbbkGHR9Zjp-KL53H3eKBZIeAt7O9UKYPu6B21l2UZVmIqkFXDXBmXvK4g2e3EgZtjMNmKPsTltgnRl95DImtOXjSpWtTjSaOkW4w1kZKUTwLKdwVWTzBVH8ERHorvLU6vCGOVHxXt65LNwdl5HKRweShVC1V9QsyvRnQS61ov0UclmrH_xZML2Bt-Q-rZFjey5MjwupIb4x4f53XUJMhjHpDHoIUKrjpdPDQvK2a\",\"friendlyName\":\"Operator_TX061AEI\",\"UDN\":\"608fef11-2800-482a-962b-23a6690c93c1\"}"
  }
}

Types