Talk by Benjamin Kerensa and Alex Lakatos presented at O'Reilly Open Source Convention 2014.

1. Getting Started
Contributing to Firefox OS
Benjamin Kerensa
Alex Lakatos

2. Why Firefox OS
• 1.2 billion people without access to
smartphones or tablets
• Eliminate price sensitivity barrier
• Empower people worldwide to build
the Open Web
• Create a platform where Open Web
technologies are a first class citizen

3. Firefox OS Now

4. Firefox OS Architecture
Linux/Gonk (ADB enabled)
Gecko rendering engine
Third Party HTML5 Apps
Web APIs / Web Actitivies
GAIA

5. Firefox OS Architecture
- + =

6. Governance

7. Firefox OS Development

8. Build Environment
$ git clone git://github.com/mozilla-b2g/B2G.git
$ B2G/build.sh

9. Hardware Requirements

10. Porting Guidelines

11. Bug Reporting

12. Bug Fixing

13. Adding New Features to Firefox OS

14. Developing an App for Firefox OS

15. Manifest File
{
"name": "My App",
"description": "My elevator pitch goes here",
"launch_path": "/index.html",
"icons": {
"128": "/img/icon-128.png"
},
"developer": {
"name": "Your name or organization",
"url": "http://your-homepage-here.org"
},
"default_locale": "en"
}

16. Web API

17. Battery API
var b = navigator.battery;
if (b) {
var level = Math.round(b.level * 100) + "%",
charging = (b.charging) ? "" : "not ",
chargeTime = parseInt(b.chargingTime / 60, 10),
dischargeTime = parseInt(b.dischargingTime/60,10);
b.addEventListener("levelchange", show);
b.addEventListener("chargingchange", show);
b.addEventListener("chargingtimechange", show);
b.addEventListener("dischargingtimechange", show);
}

18. Web Activities

19. Dial Web Activity
var call = new MozActivity({
name: "dial",
data: {
number: "+1804100100"
}
});

20. Thank You!
Alex Lakatos
@lakatos88
alex.lakatos@mozilla.ro
Benjamin Kerensa
@bkerensa
Github: bkerensa
http://benjaminkerensa.com

21. Links
https://developer.mozilla.org/en-US/Apps/Quickstart/
Build/Your_first_app
https://developer.mozilla.org/en-US/Firefox_OS/
Application_development
https://developer.mozilla.org/en-US/Firefox_OS/
Installing_on_a_mobile_device
https://developer.mozilla.org/en-US/docs/Tools/
Firefox_OS_Simulator