jQuery Mobile: Sites That Feel Like Apps

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jQuery Mobile is a cross-platform framework made for smartphones and tablets. With its HTML5 interface, it looks and feels like an app. This presentation will teach you how to quickly create a mobile front-end with little effort. It will also feature a case study of adapting an existing web application to the mobile.

Transcript

1. FooLab http://foolab.ca @foolabca jQuery Mobile: Sites That Feel Like Apps IPC - June 4, 2013 - Berlin, Germany
2. FooLab Purpose • Mobile site over mobile app. • jQuery Mobile makes sites easy. 2
3. FooLab Anna Filina • I generate ROI through advice. • I rescue IT projects. 3
4. FooLab AZ42-W1JJ-D57Z php|architect magazine -25%
5. FooLab Why choose mobile site? • Quick and inexpensive. • Point of entry for first-time users. • No download. • Others link to your site. 5
6. FooLab Does your site work on this? 6 ©
7. FooLab Problems • Development takes time. • UI not suited for mobile. • Too many variables: • devices, • browsers, • capabilities. 7
8. FooLab Capabilities • Viewport size. • Pointing method. • AJAX support. • Full keyboard. • Images support. • Number of colors. • HTTPS support. • UTF-8 support. • Percent width. • ... 8
9. FooLab Solution: jQuery Mobile • One codebase. • JavaScript framework. • Site looks the same everywhere. • UI adapted for mobile. • Works on many devices. 9
10. FooLab © Apple, Google, Blackberry, Samsung, Amazon
11. FooLab Progressive enhancement
12. FooLab Mobile-specific events 12 • Tap: quick or hold. • Swipe: left or right. • Orientation change.
13. FooLab Let’s build something
14. FooLab Includes 14 • jquery-1.10.1.min.js • jquery.mobile-1.3.1.min.js • jquery.mobile-1.3.1.min.css
15. FooLab Button 15 <a data-role="button">About</a>
16. FooLab Button 16
17. FooLab List 17 <ul data-role="listview"> <li> <a href="item1.html">Item 1</a> </li> </ul>
18. FooLab <div data-role="page"> </div> 18 Shell
19. FooLab <div data-role="page"> <div data-role="content"> </div> </div> 19
20. FooLab <div data-role="page"> <div data-role="content"> <a data-role="button">About</a> </div> </div> 20
21. FooLab <div data-role="page"> <div data-role="content"> <a data-role="button">About</a> </div> </div> <div data-role="page" id="about"> [...] </div> 21
22. FooLab <div data-role="page"> <div data-role="content"> <a href="#about" data-role="button"> About</a> </div> </div> <div data-role="page" id="about"> [...] </div> 22 http://conference/jqm-intro/basics.html
23. FooLab Case Study OSCON presentations on mobile
26. FooLab Improvements 26 • No zooming required. • Search box to filter list items. • The entire block is clickable. • Less info to reduce clutter. • Separators to indicate days.
28. FooLab Improvements 28 • No zooming required. • Collapsible blocks: see available info without scrolling. • Share buttons always visible. http://conference/jqm-intro/oscon.html
29. FooLab Best Practices
30. FooLab Long Lists 30 • Consider splitting into groups. • Few groups: use a navigation bar. • Many groups: use intermediate list.
31. FooLab Navigation 31 • Use lists where appropriate. • Add back and/or home buttons. • Keep it narrow and shallow. • Describe links.
32. FooLab Performance 32 • Keep transitions to minimum. • Slow devices. • Loses precious time. • Magnetic ink’s refresh rate.
33. FooLab Round trips 33 • Minimize round-trips. • Use multi-page documents. • Use sprite maps. Page A: 2.1KB Page B: 2.2KB Combined: 3.6KB
34. FooLab Sprite map a.icon { background-image: url(/images/icons.png); width: 18px; height: 18px; } a.icon.back { background-position: -18px -0px; } 34
35. FooLab External resources 35 • Link to jquery.com for JS and CSS files. <link rel="stylesheet" type="text/css" href="http://code.jquery.com/mobile/1.0/ jquery.mobile-1.0.min.css" />
36. FooLab External Resources 36
37. FooLab Toolbox
38. FooLab Codiqa: UI Builder 38
39. FooLab Theme Roller 39
40. FooLab PhoneGap 40 • Convert your mobile UI to a native app. • Supports 7 platforms. • Saves even more money.
41. FooLab Resources • jQuery Mobile: http://jquerymobile.com/ • Sprite maps: http://www.alistapart.com/ articles/sprites/ • UI builder: http://www.codiqa.com/ • ThemeRoller: http://jquerymobile.com/ themeroller/ • PhoneGap: http://phonegap.com/ 41
42. FooLab Q & A Twitter: @afilina E-mail: anna@foolab.ca