Videos in category Javascript

Summary After an introduction to XMPP, Jack Moffitt presents Strophe, a library for writing XMPP clients, and he demonstrates sample code showing how to program against it. Bio Jack Moffitt works on real time search applications based on XMPP and Web technologies using JavaScript, Erlang, and Python. Previously he created Chesspark, an online game community build on top of XMPP, led the team be...

Google I/O 2010 - Map once, map anywhere: Developing geospatial applications for both desktop and mobile Geo 201 Mano Marks As the number of desktop and mobile platforms proliferates the cost of developing and maintaining multiple versions of an application continues to increase. This session illustrates how the JS Maps API can be used to simplify cross platform geospatial application developme...

Google I/O 2010 - Stepping up: Porting v2 JavaScript Maps API applications to v3 Geo 201 Daniels Lee The JavaScript Maps API v3 is the future of the Google Maps API. To take advantage of the many great features coming to the API you will need to migrate existing v2 applications to v3. This session will guide you through the process, illustrating how easy it is to start reaping the benefits in f...

Google I/O 2010 - Opening up Closure Library Tech Talks Nathan Naze Closure Library is the open-source JavaScript library behind some of Google's big web apps like Gmail and Google Docs. This session will tour the broad library, its object-oriented design, and its namespaced organization. We'll explain how it works and how to integrate it in your setup, both for development and optimized for a ...

Google I/O 2010 - How Maps API v3 came to be: Tips, tricks, and lessons learned in developing a cross platform desktop and mobile API Geo, Tech Talks Susannah Raub, Marc Ridey The Google JavaScript Maps API v3 celebrates its one year anniversary at this year's Google I/O. In this session, we reveal the reasons for embarking on a new API, the challenges we faced in developing a truly cross platf...

Google I/O 2010 - Faster apps faster - Optimizing apps with the GWT Compiler GWT 201 Ray Cromwell The GWT compiler isn't just a Java to JavaScript transliterator. It performs many optimizations along the way. In this session, we'll show you not only the optimizations performed, but how you can get more out of the compiler itself. Learn how to speed up compiles, use -draftCompile, compile for on...

Google I/O 2010 - Measure in milliseconds redux: Meet Speed Tracer GWT 201 Kelly Norton It turns out that web apps can be slow for all sorts of opaque and unintuitive reasons. Don't be fooled into thinking that bloated, slow JavaScript is the only culprit. This session introduces you to Speed Tracer, a new GWT tool that can tell you exactly where time is going within the browser. For all I/O 20...

Google I/O 2010 - GWT + HTML5 can do what?! GWT 201 Joel Webber, Ray Cromwell, Stefan Haustein How can you take advantage of new HTML5 features in your GWT applications? In this session, we answer that question in the form of demos -- lots and lots of demos. We'll cover examples of how to use Canvas for advanced graphics, CSS3 features, Web Workers, and more within your GWT applications. For al...

Google I/O 2010 - GWT Linkers target HTML5 Web Workers, Chrome Extensions, and more GWT 301 Matt Mastracci At its core GWT has a well-defined and customizable mechanism -- called Linkers -- that controls exactly how GWT's compiled JavaScript should be packaged, served, and run. This session will describe how to create linkers and explains some of the linkers we've created, including a linker th...

Google I/O 2010 - Architecting for performance with GWT GWT 201 Joel Webber, Adam Schuck Modern web applications are quickly evolving to an architecture that has to account for the performance characteristics of the client, the server, and the global network connecting them. Should you render HTML on the server or build DOM structures with JS in the browser, or both? This session discusses this...