Cross platform mobile web apps

Cross-platformmobile web apps @ jamespearce

Sir Isaac Newton

Three Laws of Motion(the universe works as we might expect it to)

Albert Michelson Edward Morley

Light Travels at a Constant Speed(the universe doesn’t work as we thought it would)

Relativistic Mechanics Exploration Classical Mechanics Familiarity Quantum Mechanics Exploration

The Web Today is likePhysics in 1900

Mobileis our Michelson-Morley Experiment

Mobile Context? One Web? Responsive Design? Apps or Sites?(an inability to answer these questions does not constitute an excuse not to innovate)

Single device Multi deviceSedentary user Mobile user *Declarative ImperativeThin client Thick clientDocuments Applications * or supine, or sedentary, or passive, or...

A badge for all these ways the web is changing

Cross-platformmobile web apps

What is an app?

Consumption vs Creation Linkability User Experience Architecture

WebCompromise sites Web apps Native apps Nativeness

HTML5 is a new version of HTML4, XHTML1, and DOM Level 2 HTML addressing many of the issues of those speciﬁcations while at the same time enhancing (X)HTMLto more adequately address Web applications. - WHATWG Wiki

WebFont Video Audio GraphicsDevice Access Camera CSS Styling & Layout Network Location HTTP JavaScript Contacts AJAX SMS Semantic HTML Events Orientation Sockets File Systems Workers & Cross-App Gyro Databases Parallel SSL Messaging App Caches Processing (all the elements of a modern application platform)

The web is now as much a stack as it is a medium

Cross-platformmobile web apps

MS RIM Symbian Apple AndroidTop European Smartphone Platforms July 2011, comScore MobiLens

.NET J2ME C++ Obj-C JavaNative programming languages you’ll need July 2011

IE WebKit WebKitWebKit WebKitBrowser platforms to target July 2011

There is no WebKit on Mobile - @ppk

But at least we are using one language, one markup, one style system

IE 10 PR Chrome 10 Safari 5 Firefox 4 iOS4.31 Playbook Honeycomb @font-face CanvasHTML5 Audio & Video rgba(), hsla() border-image: border-radius: box-shadow: text-shadow: opacity:Multiple backgrounds Flexible Box Model CSS Animations CSS Columns CSS Gradients CSS Reﬂections CSS 2D Transforms CSS 3D Transforms CSS Transitions Geolocation API local/sessionStorage SVG/SVG Clipping SMIL Inline SVG Drag and Drop hashchangeX-window Messaging History Management applicationCache Web Sockets Web Workers Web SQL Database WebGL IndexedDB

100%Support Browsers Capabilities & speciﬁcations

100%Support Browsers Polyﬁlls Frameworks Capabilities & speciﬁcations

<!DOCTYPE html><html> <head> <title>jQuery Mobile</title> <script src="jq.js"></script><script src="jqm.js"></script> <link rel="stylesheet" href="jqm.css" /> </head> <body> <div data-role="page" id="home"> <div data-role="header"> <h1>Hello World</h1> </div> <div data-role="content"> <ul data-role="listview" data-inset="true"> <li data-role="list-divider">Continents</li> <li><a href="na.html">North America</a></li> <li><a href="sa.html">South America</a></li> <li><a href="eu.html">Europe</a></li> </ul> </div> </div> </body></html>

<!DOCTYPE html><html> <head> <title>Sencha Touch</title> <script src="st.js"></script> <link rel="stylesheet" href="st.css" /> <script type="text/javascript" charset="utf-8"> new Ext.Application({ launch: function() { var continents = new Ext.data.Store({ model: Ext.regModel(, {fields: [name, link]}), data: [ {name: North America, link:na}, {name: South America, link:sa}, {name: Europe, link:eu} ] }); new Ext.Panel({ fullscreen: true, dockedItems: [{ xtype: toolbar, title: Hello World, }], items: [{ xtype: list, store: continents, itemTpl: {name} }] }); } }); </script> </head><body></body></html>

Myth busting

HTML5 apps can’t run o ine(hybrid, appcache, and localStorage...)

HTML5 apps can’t match native performance (true, sometimes)

HTML5 apps can’t be monetized (is this a technology problem?)

HTML5 apps can’t access device functionality (weren’t you listening to Brian?)

WebCompromise sites Web apps Hybrid apps Native apps Nativeness

Camera WebFont Video Audio Graphics HTTP Location CSS Styling & Layout AJAX Contacts Events SMS JavaScript SocketsOrientation Semantic HTML SSL Gyro File Systems Workers & Cross-App Databases Parallel Messaging App Caches Processing

WebView Camera WebFont Video Audio Graphics HTTP Location CSS Styling & Layout AJAX Contacts Events SMS JavaScript SocketsOrientation Semantic HTML SSL Gyro File Systems Workers & Cross-App Databases Parallel Messaging App Caches Processing

Native Wrapper WebView Camera WebFont Video Audio Graphics HTTP Location CSS Styling & Layout AJAX Contacts Events SMS JavaScript SocketsOrientation Semantic HTML SSL Gyro File Systems Workers & Cross-App Databases Parallel Messaging App Caches Processing

Native app storeshave a dirty secret

built withApps vs web technology

Well-established hierarchies are not easily uprooted;Closely held beliefs are not easily released;So ritual enthralls generation after generation. Tao Te Ching; 38 Ritual

James Pearce@ jamespearce

http://albertobissacco.org	128
http://blogs.intuit.com	70
http://paper.li	34
http://lanyrd.com	29
http://www.techgig.com	21
http://twitter.com	18
http://us-w1.rockmelt.com	16
http://tweetedtimes.com	10
http://www.nelling0o0.com	9
https://twitter.com	8
http://sogvsuperstars.wikispaces.com	6
http://www.onlydoo.com	1
http://ger.nl	1
http://trunk.ly	1

Cross platform mobile web apps

by James Pearce on Sep 16, 2011

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Cross platform mobile web apps — Presentation Transcript