Firefox os-introduction

Firefox OS
Lengyel Zsolt
zsolt.lengyel.it@gmail.com

Bringing the Open Web to
Mobile Devices OS

Bringing The Boot to Gecko
project was launched to enable
the Open Web as a platform for
mobile devices. We’re making
innovation possible by driving
the development of new Web
standards.

Operators and developers write apps
and services for one platform and then
rewrite them for others. Users who
want to buy phones, e-readers and
game consoles from different
manufacturers often need to repurchase apps for each device.

Using HTML5 and the new Mozillaproposed standard APIs, developers
everywhere will be able to create
amazing experiences and apps.
Developers will no longer need to learn
and develop against platform-specific
native APIs.

Customization for OEMs & Operators

OEMs and operators will be able to
provide content and services across
their entire device portfolio, regardless
of OS. And they will be able to
customize user experiences, manage
app distribution and retain customer
attention, loyalty and billing
relationships.

Consumers who use devices based on the Open
Web platform will be able to easily access and
download their own content regardless of which OS
they use.

Firefox OS produces an implementation of
these new Web standards to free mobile
platforms from the encumbrances of the
rules and restrictions of existing proprietary
platforms.

Lower level operating system, consisting of a
Linux kernel and HAL
(Hardware Abstraction Layer).
Possibility to expose anything from the
hardware to Gecko.

The application runtime.
The rendering engine in Firefox for HTML5,
CSS & JavaScript.
Implements a number of APIs.

The user interface.
Built entirely by HTML5 & Open Web APIs.

The Boot to Gecko project is based entirely
on open standards and the source code is
open and accessible to all.
Where open standards are missing, we're
working with standards bodies and other
vendors to create them.

// Telephony object
var tel = navigator.mozTelephony;
// Check if the phone is muted (read/write property)
console.log(tel.muted);
// Check if the speaker is enabled (read/write property)
console.log(tel.speakerEnabled);

// Place a call
var cal = tel.dial(“123456789”);

// Events for that call
call.onstatechange = function (event) {
/*
Possible values for state:
"dialing", "ringing", "busy", "connecting", "connected",
"disconnecting", "disconnected", "incoming"
*/
console.log(event.state);
};
// Above options as direct events
call.onconnected = function () {
// Call was connected
};
call.ondisconnected = function () {
// Call was disconnected
};

// Receiving a call
tel.onincoming = function (event) {
var incomingCall = event.call;
// Get the number of the incoming call
console.log(incomingCall.number);
// Answer the call
incomingCall.answer();
};
// Disconnect a call
call.hangUp();
// Iterating over calls, and taking action depending on their changed status
tel.oncallschanged = function (event) {
tel.calls.forEach(function (call) {
// Log the state of each call
console.log(call.state);
});
};

// SMS object
var sms = navigator.mozSMS;
// Send a message
sms.send("123456789", "Hello world!");

// Recieve a message
sms.onreceived = function (event) {
// Read message
console.log(event.message);
};

var battery = navigator.mozBattery
if (battery) {
var batteryLevel = Math.round(battery.level * 100) + "%",
charging = (battery.charging)? "" : "not ",
chargingTime = parseInt(battery.chargingTime / 60, 10,
dischargingTime = parseInt(battery.dischargingTime / 60, 10);
// Set events
battery.addEventListener("levelchange", setStatus, false);
battery.addEventListener("chargingchange", setStatus, false);
battery.addEventListener("chargingtimechange", setStatus, false);
battery.addEventListener("dischargingtimechange", setStatus, false);
}

// Vibrate for one second
navigator.mozVibrate(1000);
// Vibration pattern [vibrationTime, pause,…]
navigator.mozVibrate([200, 100, 200, 100]);
// Vibrate for 5 seconds
// Turn off vibration

var settings = window.navigator.mozSettings;
settings.getLock().set({"background":
"pretty.png"});

// Portrait mode:
screen.mozLockOrientation("portrait");
/*
Possible values:
"landscape"
"portrait"
"landscape-primary"
"landscape-secondary"
"portrait-primary"
"portrait-secondary"
*/

var connection = window.navigator.mozConnection,
online = connection.bandwidth > 0,
metered = connectrion.metered;

var keyboard = window.navigator.mozKeyboard;
keyboard.sendKey(0, keyCode);

Vibration
API,
Screen
Orientation,
Geolocation API, Mouse Lock API, Open
WebApps, Network Information API, Battery
Status API, Alarm API, Push Notifications
API, WebFM API / FMRadio, WebPayment,
IndexedDB, Ambient light sensor, Proximity
sensor, Notification

Security Levels
HOSTED

Device Storage API
Browser API
TCP Socket API
Contacts API
systemXHR

WebTelephony, WebSMS, Idle API, Settings
API, Power Management API, Mobile
Connection API, WiFi Information API,
WebBluetooth, Permissions API, Network
Stats API, Camera API, Time/Clock API,
Attention screen, Voicemail

PRIVILEGED

CERTIFIED

Writing Apps, Mozilla Marketplace

Web apps are apps built using standard Web technologies. They work
in any modern Web browser, and can be developed using your
favorite tools.
The Open Web apps project proposes some small additions to
existing sites to turn them into apps that run in a rich, fun, and
powerful computing environment.
These apps run on desktop browsers and mobile devices, and are
easier for a user to discover and launch than Web sites.

1.

Develop Web App using
HTML5, CSS, & Javascript

2.

Create an app manifest file

3.

Publish/install the app

Develop Web App using
HTML5, CSS & JavaScript

Reuse any existing web site/app or develop from scratch with open
web standards.
Utilize HTML5 features such as localStorage, offline manifest,
IndexedDB and access Web APIs for more options.
Responsive web design for adapting to varying resolutions and
screen orientation.

Create a file with a .webapp extension

{
"version": "1.0",
"name": "MozillaBall",
"description": "Exciting Open Web development action!",
"icons": {
"16": "/img/icon-16.png",
"48": "/img/icon-48.png",
"128": "/img/icon-128.png"
},
"developer": {
"name": "Mozilla Labs",
"url": "http://mozillalabs.com"
},
"installs_allowed_from": ["*"],
"appcache_path": "/cache.manifest",
"locales": {
"es": {
"description": "¡Acción abierta emocionante del desarrollo del Web!",
"developer": {
"url": "http://es.mozillalabs.com/"
}
},
"it": {
"description": "Azione aperta emozionante di sviluppo di fotoricettore!",
"developer": {
"url": "http://it.mozillalabs.com/"
}
}
},
"default_locale": "en"
}

var request = navigator.mozApps.install(
"http://mozillalabs.com/MozillaBall.webapp",
{
user_id: "some_user"
}
);
request.onsuccess = function() {
// Success! Notification, launch page etc
}
request.onerror = function() {
// Failed. this.error.name has details
}

Thank you for your attention!

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Firefox os-introduction

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