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Mobile Web App Design : Getting Started
 

Mobile Web App Design : Getting Started

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  • Branch in the decision tree Ko-ko Jason Casden NCSU WolfWalk app => native-to-web
  • Unix philosophy With apologies to Albert Einstein
  • Crockford: “Which I think puts even more pressure on getting JavaScript to go fast. Particularly as we’re now going into mobile. Moore’s law doesn’t apply to batteries. So how much time we’re wasting in interpreting stuff really matters there. The cycles count. So I think that’s going to put more pressure on improving the quality of the runtime.” Ref Jesse Keck Quoted in “Coders at Work” by Peter Seibel, pg. 100
  • Browser detection
  • Code4lib picture by Ray Schwartz. Used by permission (and by permission of Katherine Lynch).

Mobile Web App Design : Getting Started Mobile Web App Design : Getting Started Presentation Transcript

  • Mobile Web App Design …Getting Started Michael Doran, Systems Librarian [email_address]
  • Okay, we get it! … now what? … iPhone statistics, library services, WorldCat mobile, Android, Millennials, charts and graphs, yada, yada, yada…
  • buy? build? Hmm. Is it too late to join buy4lib? … now what? www.boopsie.com/ www.blackboard.com/Mobile/
  • build web app? native app? e.g. iPhone app written in Cocoa requiring download via the App Store “ Most of the folks I know in app development are moving to standardization on web versus device specific development.” Linda Woods AT&T Education Advocate Industry & Mobility Application Solutions 2009 Handheld Librarian Online Conference
  • This just out… an iPhone OPAC. Download it from the App Store. What? Uhhh. I just bought a Nexus One. Loser!
  • The Tao of mobile web (app) design
    • standards compliance
    • web usability design
    • minimalist design
    • design and testing
      • cross-browser
      • cross-platform
    A mobile web app should do one thing and do it well. A mobile web app should be as simple as possible, but no simpler.
  • a good mobile web app typical single-interface that-does-everything library web app 1
  • 1
  • 4
  • Simple is as simple does.
    • Three categories:
      • compatible with Safari on iPhone
      • optimized for Safari on iPhone
      • iPhone web application
    iPhone web apps (according to Apple*) 2
    • W3C standards compliant
    • no framesets or
    • unsupported technologies
    • (cough, Flash)
    If it doesn’t look exactly like an iPhone app it can’t be any good! * Content on iPhone: Is It a Webpage or an Application?
    • iUI : iPhone User Interface Framework
      • http://code.google.com/p/iui/
      • License: BSD
    • iWebKit : ditto
      • http://iwebkit.net/
      • License: GNU LGPL
    • jQTouch (jQuery plugin)
      • http://www.jqtouch.com/
      • License: MIT
    iPhone web application tool kits JavaScript libraries, CSS code, images… I didn’t have to start from scratch.
  • iUI iWebKit jQTouch
  • “ Moore’s Law doesn’t apply to batteries…as we’re now going into mobile…the cycles count.” Douglas Crockford* Gee, I love what jQuery can do, but maybe server-side processing is the way to go. * Quoted in “Coders at Work” by Peter Seibel, pg. 100
  • [11:45] <jkeck> jquery++ [11:45] <mjgiarlo> @fight bacon jquery [11:45] <zoia> jquery: 2090000, bacon: 106 [11:45] <mdoran> whatever
  • Handheld emulators/simulators
    • Generally come with handheld OS SDKs
      • webOS (Palm)
        • http://developer.palm.com/
      • iPhone (Apple)
        • http://developer.apple.com/iphone/
      • Android (Google & Open Handset Alliance)
        • http://developer.android.com/
    • Web-based simulators (be leery)
      • Opera Mini Simulator – good
        • http://www.opera.com/mini/demo/
      • TestiPhone.com – absolutely worthless
    Operating System Software Development Kit
  • Oooohh
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  • Handheld emulators/simulators Palm iPhone Android Opera Mini
  • Browser compatibility – don’t skip this Internet Explorer Firefox Chrome
  • XHTML/HTML/CSS validation
    • XHTML/HTML
    • CSS
    • Accessibility
    Get right with these before you move on to platform compatibility.
  • Mobile design – platform compatibility viewport
  • Mobile design – platform compatibility Larger buttons for finger tapping
  • Mobile design – platform compatibility 2
  • Test it on the real thing (handset), too! Borrow from colleagues Or, as a last resort… Just need to… test… my app…. one… more time
  • Don’t forget the documentation!
    • Mobile/handheld developer sites have useful information on how to “design for small”
    • Read it
    • Seriously. Read it.
    A viewport? Who knew? It’s a small world after all.
  • Example docs and websites
    • iPhone
      • Principles and Guidelines for Creating Great iPhone Content
      • iPhone Human Interface Guidelines for Web Applications
      • Google Groups: iPhoneWebDev
    • Others
      • Opera Mini Developer resources
      • many, many, more…
      • still more…
    Reading? I just want to code!
  • “ Deliver relevance -- expectations are high and you can only dazzle once.” Cindy Cunningham, OCLC LITA 2009 National Forum Patrons can be persnickety. Maybe I should practice on the Library staff, first.
  • Hmmm, a staff app… … easier to do a needs assessment … easier to get UI feedback … library has WiFi, so we can use mobile devices without a data plan What would help staff working in the stacks?
  • ShelfLister version 2.0 End barcode Start barcode 3 http://vts.uta.edu/sl.htm
  • ShelfLister version 2.0 6
  • UTA hereby grants USER permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee […] Consider releasing your mobile app as free open source. It’s better than free beer!
  • If that imbecile up there can do it… How hard could it be? Getting something to beta would only take me a week.
  • That’s it! Any questions? @dchud: Thanks for giving up your presentation slot.