Firefox OS - HTML5 for a truly world-wide-web
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Keynote at Codebits in Portugal, April 2014, explaining the how and why of Firefox OS and how to use it. Video: https://videos.sapo.pt/ZYQyY57ZlB6lhgIdBzrs
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Firefox OS - HTML5 for a truly world-wide-web
- 1. Christian Heilmann (@codepo8) Sapo Codebits, Lisbon, Portugal, April 2014 FIREFOX OS HTML5 FOR A TRULY WORLD-WIDE-WEB
- 5. I LIVE BY THE RIVER…
- 14. PEOPLE ARE BUSY…
- 15. BENEFITS OF HTML5 ★ In-built distribution - the web ★ Simple technologies used by lots of developers ★ Evolution of existing practices ★ Open, independent, standardised
- 17. LOCKOUT
- 22. FIREFOX OS
- 23. SOME FACTS… ★ Released in fourteen countries: Spain, Poland, Venezuela, Colombia, Peru, Uruguay, Mexico, Brasil (more soon) ★ Released with 7 mobile operator partners, 3 hardware partners ★ Hardware options: Alcatel One Touch Fire, ZTE Open, Geeksphone Keon, Geeksphone Peak, LG Fireweb… ★ Aimed at emerging markets/low end market ★ Aimed to be an alternative to feature phones and unavailable closed environments. ★ Open source - it is all on GitHub
- 24. "Movistar offers the ZTE Open for €69, including €30 of balance for prepaid customers and a 4GB microSD card"
- 25. ARCHITECTURE Linux/Gonk (ADB enabled) Gecko rendering engine Third Party HTML5 Apps Web APIs / Web Actitivies GAIA
- 26. - + =
- 28. SECURITY
- 30. APPLICATION MANIFEST { "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/" } } }, "default_locale": "en" }
- 31. Privileged Web App More access, more responsibility Web Content Regular web content APPLICATIONS Installed Web App A regular web app Certified Web App Device-critical applications
- 32. APPLICATIONS
- 33. PERMISSIONS "permissions": { "contacts": { "description": "Required for autocompletion in the share screen", "access": "readcreate" }, "alarms": { "description": "Required to schedule notifications" } }
- 34. CROSS-PLATFORM
- 35. WEB APIS
- 36. WEB APIS (FOR ALL) Vibration API (W3C) Screen Orientation Geolocation API Mouse Lock API (W3C) Open WebApps Network Information API (W3C) Battery Status API (W3C) Alarm API Web Activities Push Notifications API WebFM API WebPayment IndexedDB (W3C) Ambient light sensor Proximity sensor Notification
- 38. BATTERY STATUS API var battery = navigator.battery; 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); }
- 39. VIBRATION API
- 40. VIBRATION API // Vibrate for one second navigator.vibrate(1000); // Vibration pattern [vibrationTime, pause,…] navigator.vibrate([200, 100, 200, 100]); // Vibrate for 5 seconds navigator.vibrate(5000); // Turn off vibration navigator.vibrate(0);
- 42. NETWORK INFORMATION API var connection = window.navigator.mozConnection, online = connection.bandwidth > 0, metered = connection.metered;
- 43. PAGE VISIBILITY
- 44. PAGE VISIBILITY document.addEventListener("visibilitychange", function () { if (document.hidden) { console.log("App is hidden"); } else { console.log("App has focus"); } });
- 46. WEB APIS (PRIVILEGED APPS) Device Storage API Browser API TCP Socket API Contacts API systemXHR
- 47. CONTACTS API
- 48. CONTACTS API var contact = new mozContact(); contact.init({name: "Tom"}); var request = navigator.mozContacts.save(contact); request.onsuccess = function() { console.log("Success"); }; request.onerror = function() { console.log("Error") };
- 49. CERTIFIED APPS = THE OS :)
- 50. WEB ACTIVITIES
- 52. GET A PHOTO? var getphoto = new MozActivity({ name: "pick", data: { type: ["image/png", "image/jpeg"], "image/jpg"] } }); ! getphoto.onsuccess = function () { var img = document.createElement("img"); if (this.result.blob.type.indexOf("image") != -1) { img.src = window.URL.createObjectURL(this.result.blob); } }; getphoto.onerror = function () { // error };
- 53. APP DISTRIBUTION
- 55. INSTALL FROM THE WEB…
- 56. DYNAMIC APP WEB SEARCH
- 60. PROTOTYPING WITH JSFIDDLE https://hacks.mozilla.org/2013/08/using-jsfiddle-to-prototype-firefox-os-apps/ 1. Write your code as a JSFiddle 2. Append /webapp.manifest to your Fiddle URL and paste this link into the Firefox OS simulator to install the app 3. Alternatively, append /fxos.html to your Fiddle URL to get an install page like a typical Firefox OS hosted application
- 61. BUILDING BLOCKS?
- 62. CERTIFIED APPS BUILDING BLOCKS http://buildingfirefoxos.com/
- 63. CERTIFIED APPS BUILDING BLOCKS http://buildingfirefoxos.com/
- 65. MOZILLA BRICK <x-flipbox> <div>I'm the front face.</div> <div>And I'm the back face.</div> </x-flipbox> ! //JavaScript toggleButton.addEventListener("click", function() { flipBox.toggle(); }); http://mozilla.github.io/brick/
- 66. CORDOVA IMPLEMENTATION APIS • Camera • Contacts • Device • Device-motion • Geolocation • Orientation • Vibration
- 67. CORDOVA IMPLEMENTATION APIS $ sudo npm install -g cordova $ cordova create hello com.example.hello HelloWorld $ cd hello $ cordova platform add firefoxos $ cordova prepare firefoxos
- 68. CAMERA API $ cordova plugin add org.apache.cordova.camera ! //Cordova code navigator.camera.getPicture(function (src) { var img = document.createElement('img'); img.id = 'slide'; img.src = src; }, function () {}, { destinationType: 1 });
- 69. WHAT’S COOKING?
- 70. MORE WEB APIS… Resource lock API UDP Datagram Socket API Peer to Peer API WebNFC WebUSB HTTP-cache API Calendar API Spellcheck API LogAPI Keyboard/IME API WebRTC FileHandle API Sync API
- 71. APPMAKER! Resource lock API UDP Datagram Socket API Peer to Peer API WebNFC WebUSB HTTP-cache API Calendar API Spellcheck API LogAPI Keyboard/IME API WebRTC FileHandle API Sync API
- 77. TO WRAP UP…
- 78. https://hacks.mozilla.org/2013/12/write-elsewhere-run-on-firefox/ ! Aquarium Plants (Android w/ hand-coded native wrapper) Calc (iOS w/ hand-coded native wrapper) Calcula Hipoteca (Amazon Appstore) Captain Rogers (HTML5 Desktop) Cartelera Panama (Appcelerator Titanium) Fresh Food Finder (PhoneGap) Picross (WebOS) Reditr (Chrome Dev Store) Speed Cube Timer (Blackberry Webworks) Squarez (C++) Touch 12i (Windows Phone/ HTML5) NOTHING IS WASTED…