Category Archives: Trip Reports

Greetings from DevCon5 NYC. Our morning starts with Peter Lubbers giving an HTML5 overview. He’s reminding us about some important fundamentals: * Web Origins (see RFC 6454) are everywhere. You need to understand not only how they regulate JavaScript execution, … Continue reading →

Notes from HTML5 Gaming, Ashley Gullen (Scirra) and Tyler Smith (appMobi), DevCon5 Scirra makes Construct2 The number one reason why your App is slow — software rendering instead of HW acceleration Why? graphics card drivers are a big, abysmal mess; … Continue reading →

Notes from an Intro to Canvas, 8bitrocket, DevCon5 Firefox Canvas performance got really bad six months ago, slowly coming back now Retained mode (Flash, DOM) versus Immediate mode (Canvas) They still use Modernizr.js to test for Canvas support They end … Continue reading →

Within Android, breathtaking diversity of screen resolution, processor speed — HTML/JS/CSS parse speed ranges from 0.4 to 1.4 seconds (put JS at end of the page!) even with JS in cache later OS version doesn’t guarantee better device (see Cricket … Continue reading →

-webkit-touch-overflow is cool but only mobile safari; in the meantime, see iscroll4 Sencha invested several engineers for six months making the scroller work well Zynga just released their scroller (can also work with Canvas) David isn’t impressed with the current … Continue reading →

BlackBerry 10 Jam coming next week in Orlando, FL many acquisitions including torch mobile, the astonishing tribe set the stage for blackberry 10 platform Q: why BlackBerry? A: 77 million smartphone subscribers; 55 million blackberry messenger subscribers; 75,000 Apps with … Continue reading →

Notes from Sy Choudhury, Qualcomm, “Future of Mobile Computing”, DevCon5 Makers of Snapdragon processors. Sy declares the javascript performance problem officially solved [we agree] Cool demos of optimized HTML5 canvas performance for GUImarks in their prototype hardware; 60 FPS with … Continue reading →

Notes from David Kaneda, “Web, Native”, DevCon5 cool contrast between early wikipedia page versus Sencha touch app running in mobile browser most of the world’s traffic stop signs are red and octagonal form follows function: craigslist is really ugly and … Continue reading →

Notes from Andrew Lunny’s talk, “Anatomy of an App”, Adobe/PhoneGap “Native versus HTML5” is not the distinction you should worry about. “Is your App a citizen or a tourist?” Is your App a jerk or a non-jerk? Citizens are responsible, … Continue reading →

Notes from Peter Lubbers’s talk, “Connectivity features of HTML5”, DevCon5 [He’s the guy with the ‘HTML5’ license plate in California] Peter shows a very cool demo of impress.js being controlled live using websockets from his phone to the presentation machine. … Continue reading →