The second day is about the mobile web development.

Wolfram Kriesing – Cross-platform mobile apps.

• From Uxebu.
• App vs widget.
• Chosen name is “Html5 Apps”. Named by PPK. Better sale with html5 in the name.
• Makers of Event Ninja.
• bit.ly/distimo-appstores
• eventninja.net/webkit/
• Feels like iPhone native.
• TouchScroll is a JavaScript and css3-based scroller.
• yourappshop.com selling web apps for mobile, just iPhone currently.
• W3C Widget contains alyout, design, ajax, config.xml, icon in a zip renamed to “.wgt” file extension.
• Using Dojo.
• No great tools.
• You can stay on your desktop as long as you need.
• Opera DragonFly can debug on the phone.
• Runtime coming to Android, N60. TV widget has appeared.
• W3C Specification, JIL Specification, BONDI.
• Vodafone offering JIL.
• JavaScript is becoming first class citizen on phones via widgets.
• Platform adaptions.
• Blackberry will switch to WebKit.
• PhoneGap filling the gap since all phones don’t support everything natively.
• PhoneGap is open source. PhoneGap+SDK is about 240 kB.
• Dojo-mobile. Have to optimize js-libs. Took apart dojo, Just what you need. dojo-webkit-mobile.js.
• bit.ly/webdev-events
• [Mentions YQL.]
• Can stay offline – no roaming charges.
• Is loving Google Calendar as a data store.
• Titanium. Custom tags, not as good. Just iPhone, Android and Blackberry.

Mikael Kindborg – The New Mobile Web – A Web of Scripted Applications

• From Dynamic.
• MoSync, tools for cross platform programs.
• Magic Words game written in Smalltalk.
• JavaScript rediscovered, similar to Lisp.
• CoffeeScript.
• Theme: What happens when you go late bound.
• Showing artist doing lego sculptures. brickartist.com. Nathan Sawaya.
• Spredsheets are actuall an example of a functional programming model.
• wpri.org doing research.
• DroidScript by Micke.
• Clamato project is Smalltalk implemented in JavaScript.
• Seaside, code browser in web browser. [Nice demo. Would be nice to do in .NET]
• DroidScript is open source. Based on Mozilla Rhino.
• No byte code generation on Android. Would be needed for subclassing.
• Typing code on desktop and sending via tcp to phote to run it. Can open urls. [Smart!]
• DragonFly editor.
• Access to native via packages.
• With Smalltalk you select some thing and run it. Considered old today.
• divineprogrammer.se.

Claes Nilsson and Thomas Bailey – The phone in the cloud

From Sony Ericsson, main sponsor.

• Claes Nilsson first. Doing device APIs.
• The phone as a service.
• Main place is W3C DAP APIs.
• All define JavaScript API.
• One approach is to use trusted control widgets, like Android, BONDI, JIL.
• Implicit user consent is other way to go.
• Just drafts. No candidates yet.
• In addition policy based.
• Google suggested REST http as API to local phone.
• [Interesting! Why not all APIs accessible by REST?]
• Powerbox another suggestion/submission by Google.
• Example, user selects images from cloud services or local gallery in phone.
• Same code in web application.
• Powerbox gives access to resources posted anywhere, including local.
• Thomas Bailey. What to do here and now. PlayNow is Sony Ericsson app store.
• PhoneGap only Android+Symbian [In Sony Ericsson products.]
• Simplifying html development with PhoneGap. Sony Ericsson WebSDK has a small ide in the browser. Not necessary with Eclipse for PhoneGap development. Proof of concept (beta).
• WARP = Web Applicaiton Runtime

Tom Hughes-Croucher – Mobile Data – How to avoid the latency trap when using web services

• From Yahoo.
• Microwaves and baby monitors fuck up wifi. Interference.
• Ofcom in UK = Swedish Post och Telestyrelsen.
• Up to 90% bandwidth used on protocol.
• 1, 6 and 11 channels for every device. All others overlap.
• Reduce sequential requests. Gzip.
• Yahoo Performenace Guidelines.
• Mike Belshe researches page load times.
• Browserscope.org
• Maximize concurrent requests with labjs.com.
• Packet research from Yahoo.
• YQL bindings to services. (Don’t like XML/RPC based Dave Winer.)
• YQL is a unified interface to web services. Self-describing. [Feels a bit like fluiddb?]
• Help bundle lots of requests into a single one.

Tom Blackmore – Handling spatial data on the web

• Formed own company Arctic Tiger. Did mapping for hitta.se. Geobased solutions.
• We can remove a lot of questions in user interfaces with knowing geolocation data.
• Your phone has better accuracy than car navigator, thanks to AGPS.
• W3C Geolocation API (the html5 name).
• navigator.geolocation, watchPosition. Don’t forget clearWatch.
• getCurrentPosition(usePos, posErr, { enableHighAccuracy” : true });
• geo.js code.google.com/p/geo-location-javascript
• Done via TurboGears in older Android.
• Lantmäteriet, cost for single internet public facing site, one purpose, one company, is 1,3 MSEK.
• Google Maps. Yahoo Geoplanet Data. OpenStreetMap (creative commons). GeoNames (good zips).
• Spatial databases, PostGIS, SpatialLite, GeoCouchDB.
• github.com/vmx/couchdb
• ST-Contains, ST-GeometryFromText
• 2 decimals in lat/long is about 1 kilometer precision.

Nikolai Onken – Human APIs, expanding the mobile web to the real world

• From Uxebo.
• Dojo committer.
• Gordon JavaScript for Flash.
• Raphael cool lib.
• blog.uxebo.com, humanapi.org
• Arduino board.

Michael Mahemoff – HTML5 gives you wings

• From ajaxpatterns and ajaxian.org.
• Just been to uxcamp Europe.
• Automatic persistance is new ux pattern.
• piratepad.
• Jolicloud.
• Cross-origin Resource Sharing (html5).
• Application Cache (html5).
• 3.ly/timer
• <html manifest=”timer.manifest”>
• Cache manifest. Fallback network.
• window.applicationCache.status, localStorage, sessionStorage tied to the domain.
• WebSQL Data. IndexedDB soon.
• JSON.stringify, JSON.parse
• localStorage strings only right now. Events.
• Same application can be opened in multiple tabs and communicate with each other.
• <a rel=”pingback”>

Henk Jurriens – Building linked data applications for the iPhone

• Data sets. DBPedia, GeoName, FADF.
• Linked data is about semantic web.
• URI. RDF. SPARQL.
• RDFa names things with URIs.
• Dublin Core. FOAF.
• data.gov. BBC.
• Drupal and WordPress uses linked data. Also Facebook.
• jQTouch.js, iProcessing.js, Lodsy.

Tim Caswell – Node.js powered mobile apps for end-to-end JavaScript development

• Ryan is creator of Node.js.
• Creator of node framework Connect.
• Built-in filter modules. Data providers.
• Single stack model.

A bit shorter in the wrap-up of the conference, but a good two days.