Here my little rant and praise place, where the daily experiences of my programming work are expressed. I publish them with the idea that others might find it useful and benefit from it.

Tag <PhoneGap>

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2009/03/14
iPhone JavaScript Frameworks (aka Avoiding Objective-C)
last edited 2009/03/30 08:16
There is a strong movement to open iPhone development beyond the XCode/Objective-C constraint and enhance the JavaScript layer with WebKit further. PhoneGap.com already did this to some degree with interfacing the accelerator and GPS location, but for now OpenGL isn't tied in yet.
Two frameworks seems approved by Apple.com (accepted apps written by those frameworks):
PhoneGap.com : iPhone/iPod Touch, Android, Blackberry
QuickConnect
Quick Reference / How To
John Resig wrote an amazing hack for Processing.org (a visualization framework): Processing.js which allows to write Processing code and run it as JavaScript. Michael Schieben adapted it with some minor changes to work on the iPhone: Processing.js for iPhone (github source ).

Further Interesting References:

C3DL.org , 3D Canvas JS
JS Cocoa & Cappuccino.org (Objective-J)
EJohn.org: iPhone JS Apps
Raphaeljs.com , vector graphics in JS/CSS/HTML
and eases the application development without going to have to dive into Objective-C.

Playing Looped Videos

As part of an art project I'm involved, I require to play looped videos but this seems impossible with both frameworks because, both use HTML as backend, which by itself is again Safari Mobile, and there:
embed doesn't support autoplay=true or loop=true, in other words video doesn't start automatically neither loops, instead the 'ugly' QuickTime logo appears with the > "play" icon
embed doesn't support "src=poster.jpg href=movie.m4v", unlike documentation at developer.apple.com indicates
direct links to movie.m4v starts the movie right away, but no way to let it loop, and return to page which linked the movie itself
In a nutshell, these frameworks do not provide the way to start movies right away, and let it loop.
Tags: iPhone, Android, Blackberry, PhoneGap, JavaScript, QuickConnect, Cellphone | Permalink

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