SPSNH 2014 - The SharePoint & jQueryGuide
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Challenges going mobile
- 1. Challenges When Going Mobile using APEX & jQuery Mobile Christian Rokitta
- 2. About me • Oracle Developer since 1993 • Oracle Employee 1996-1999 • Developed web applications with mod_plsql since 1999 • Developing with APEX since 2008 • Independent developer since 2010 • Speaker (5th Kscope) • Author (Oracle APEX for mobile Web applications) • Oracle ACE (2013) • Trainer (APEX, CSS/HTML/JS) • Product Development
- 3. Founding Member
- 4. Customer Case apex.oracle.com/community
- 5. Customer Case
- 6. Customer Case
- 7. Agenda • What makes jQuery Mobile different? • How does this effect developing in APEX? • What are effective tools to develop mobile web applications?
- 8. What is jQuery Mobile • jQuery Mobile is a touch-friendly UI framework built on jQuery Core that works across all popular mobile, tablet and desktop platforms. • Very simple (HTML) structure • Look and Feel is applied after “page” is loaded
- 9. Basic page template <!DOCTYPE html> <html> <head> <title>Page Title</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="http://code.jquery.com/mobile/[version]/jquery.mobile-[version].min.css <script src="http://code.jquery.com/jquery-[version].min.js"></script> <script src="http://code.jquery.com/mobile/[version]/jquery.mobile-[version].min.js"></script> </head> <body> <div data-role="page"> <div data-role="header"> <h1>Page Title</h1> </div><!-- /header --> <div role="main" class="ui-content"> <p>Page content goes here.</p> </div><!-- /content --> <div data-role="footer"> <h4>Page Footer</h4> </div><!-- /footer --> </div><!-- /page --> </body> </html>
- 10. Multi-page template structure A single HTML document can contain multiple "pages" that are loaded together by stacking multiple divs with a data-role of "page". Each "page" block needs a unique id (id="foo") that will be used to link internally between "pages" (href="#foo"). When a link is clicked, the framework will look for an internal "page" with the id and transition it into view.
- 11. Multi-page template structure <body> <!-- Start of first page --> <div data-role="page" id="foo"> <div data-role="header"> <h1>Foo</h1> </div><!-- /header --> <div role="main" class="ui-content"> … </div><!-- /content --> <div data-role="footer"> <h4>Page Footer</h4> </div><!-- /footer --> </div><!-- /page --> <!-- Start of second page --> <div data-role="page" id="bar"> <div data-role="header"> <h1>Bar</h1> </div><!-- /header --> <div role="main" class="ui-content"> … </div><!-- /content --> <div data-role="footer"> <h4>Page Footer</h4> </div><!-- /footer --> </div><!-- /page --> </body>
- 12. Ajax Navigation • jQuery Mobile includes an Ajax navigation system to support a rich set of animated page transitions by automatically 'hijacking' standard links and form submissions and turning them into an Ajax request. • Whenever a link is clicked or a form is submitted, that event is automatically intercepted by the Ajax nav system and is used to issue an Ajax request based on the href or form action instead of reloading the page. • When the requested page loads, jQuery Mobile parses the document for an element with the data-role="page" attribute, inserts that code into the DOM of the original page and applies all the styles and behavior. • Now that the requested page is in the DOM and enhanced, it is animated into view with a transition. • Whenever jQuery Mobile loads a page via Ajax, it flags the page to be removed from the DOM when you navigate away from it later
- 13. How does this effect developing in APEX?
- 14. Remember! The id attribute of all your elements must be not only unique on a given page, but also unique across the pages in a site. This is because jQuery Mobile's single-page navigation model allows many different "pages" to be present in the DOM at the same time.
- 15. Note to myself: Don’t forget to show the strange behaviour after F5-ing and submitting a page!
- 16. Page Processing vs AJAX • Speed/Bandwidth • Page loading, as seen before • User Experience
- 17. Implicit vs Explicit AJAX in APEX • Implicit: using PL/SQL Dynamic Action – less control except when using it “SJAX” • Explicit: using APEX Javascript API – apex.server.process – more coding – more flexibility
- 18. Basic AJAX Call Syntax apex.server.process("P7_AJAX_CALL", { x01 : "test", pageItems : "#P7_FIELD1,#P7_FIELD2" }, { dataType : "text", success : function (pData) { $s("P7_FIELD2", pData); } });
- 19. Adding Options to AJAX Call apex.server.process("P7_AJAX_CALL", { x01 : "test", pageItems : "#P7_FIELD1,#P7_FIELD2" }, { dataType : "text", success : function (pData) { $s("P7_FIELD2", pData); }, beforeSend : function () { $.mobile.loading("show"); }, complete : function () { $.mobile.loading("hide"); } });
- 20. Testing and De-bugging
- 21. Browser Toolkit: Emulation Emulate (Chrome): • Device • Network Throttle • Touch Events Demowhen time allows and connection works …
- 22. Remote Debugging on Android with Chrome
- 23. Questions & Discussion http://rokitta.blogspot.com @crokitta christian@rokitta.nl http://www.themes4apex.com http://plus.google.com/+ChristianRokitta http://nl.linkedin.com/in/rokit/
