The primary way to develop apps for Android is using managed code that runs in the Dalvik virtual machine. Yet, Android also includes a super-modern Browser that includes Gears. It's even possible to build parts of your apps in native code (that is, C.) Choice is good, but it does mean one more decision for the developer to make -- and in this case, a big decision. Should you write your app in managed code, to integrate cleanly and seamlessly with the system? Should you write your app in the Browser as "Ajax plus", so that it can run on multiple phone platforms? Or should you go for raw speed, and write part of it in ARM-processor native code? There's no universal answer to these questions, but in this session Dan Morrill will teach you to pick the technique that works best for your app. In this session, you'll get a demonstration of each technique, and learn how to apply them to your own apps.

Dan Morrill

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The popularity of Google Apps as a suite of business tools is creating new revenue opportunities for IT service providers, systems integrators, and freelance consultants. Traditional value-added resellers are looking for ways to adapt their business for the world of cloud computing and the new Google Apps Authorized Reseller program provides the perfect framework for moving a services business in this direction. In this session we'll look at revenue opportunities for partners in this area ranging from assisting with SaaS product selection, to guidance on best practices, to custom application development, deployment & integration work, and managed services. We'll look at how the reseller program can enable service providers to take advantage of these opportunities through marketing, sales and technical tools and resources. We'll also hear from one of Google's early resellers, Newmind Group, on their experiences, challenges, and successes.

Jeff Ragusa, Daniel Jefferies

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In this session we'll introduce you to Java support for Google App Engine. You'll learn how App Engine scales Java applications and about the services it provides to help your application leverage Google's infrastructure. We will demonstrate App Engine's support for popular Java tools, and we'll discuss techniques for debugging and profiling your application. Finally, we will cover some current limitations of App Engine, and show you some techniques to work around them.

Don Schwarz, Toby Reyelts

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App Engine's serving architecture allows for real-time autoscaling without using virtualization. In this session, we'll explore the path of a single app engine request, from front end to appserver, and explain how App Engine's small app footprint permits thousands of applications to share a single appserver.

Alon Levi

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Learn how Google Chrome makes it easy to write extensions using the web technologies you already know. This talk will describe the extension system in depth, covering the anatomy of an extension, the process model, and more.

Nick Baum, Aaron Boodman

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In the year and half since OpenSocial's public launch, there are now over 700 million end users of OpenSocial applications across numerous social sites (containers) around the world. With OpenSocial's proven global success in traditional social applications, the enterprise software community has now begun to realize it's potential and build innovative solutions that cater to the enterprise. Join us for a session centered on how the enterprise software development community is successfully bringing social concepts and technology into the enterprise. Key enterprise players will present and demonstrate how they've successfully used OpenSocial software to build new social solutions.

Christian Schalk, Mark Weitzel, Dave Carroll, Rich Manalang, Tugduall Grall, John Mayerhofer, Mike Cannon-Brookes

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Get some real world advice from developers that have created successful businesses around their social apps. From monetization strategies to analytics, learn how to turn a fun idea into a real revenue stream.

Shawn Shen, Chewy Trewhella, Gerardo Capiel

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In this session, Guillaume Laforge, Groovy project manager, will walk you through a rapid introduction to Groovy, to get you up-to-speed with this popular JVM language. Then, he will guide you throughout demos on how to build some Web 2.0 mashups in a few lines of Groovy code, as well as how to deploy Grails application in the cloud. He'll then close the session showing you various ways you can leverage Groovy to even further streamline and simplify the development of App Engine applications, thanks to several tips and tricks only a dynamic language like Groovy can provide.

Out of the session, you'll know:

• enough of Groovy to get you started with the language
• how to setup and configure a new App Engine application to use Groovy
• how to write your first Groovy applications
• how to deploy Grails applications on App Engine
• how you can leverage the Groovy dynamic language to simplify the development of App Engine Groovy-powered applications

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Google Web Toolkit provides the infrastructure you need to build a high performance web application and leaves the architecture open to fit your needs. Learn from others who have gone before. In this session we'll discuss best practices that real web applications are using to achieve high performance event handling, UI creation, and more.

Ray Ryan

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: Caucho Technology

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: Centigon Solutions, Inc.

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: Gigapan

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: Atlassian

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: LifeAware, LLC.

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: DataViz, Inc.

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: Best Buy

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Google I/O 2009 - Developer Sandbox Videos: Best Buy

Watch interviews from the conference floor at the Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: Best Buy

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: Brightkite

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: DotSpots

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: GoGrid

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: Disney/ABC Television Group

For more, visit: http://code.google.com/events/io/sandbox.html

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: Lombardi Blueprint

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: 1Cast

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: MobiTV

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: Citrix Systems, Inc.

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: 280 North

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: EZAsset

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: Eye.fi

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: LuckyCal

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: Imeem

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: Demand Media (eHow)

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: Larva Labs, Ltd.

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: Electronic Arts

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: Catalista LLC

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: Bonfire Media

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: Crazy Pixel Productions

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: Lingospot

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Watch interviews from the conference floor at the 2009 Google I/O Developer Sandbox. Developers chat with us on their apps and share technical as well as business insights on challenges and best practices.

Company interviewed: Flightstats

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Chris Schalk, a Developer Advocate at Google, interviews Kevin Nilson and Van Riper, co-founders of the Silicon Valley GTUG (Google Technology User Group): http://www.gtugs.org/

The GTUG team had a booth at Google I/O 2009, where they displayed a map of all the GTUGs around the world and encouraged attendees to join an existing GTUG or start one of their own.

The GTUG channel on Youtube is at: http://www.youtube.com/user/gtugs

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Google offers a wide variety of APIs in many domains that together form a complete platform, from authentication and authorization, cloud computing, and social networking, to visualization, mobile computing, and Google Web Toolkit. In this talk, we will walk though a complex application that integrates many APIs together, how each can solve a different need in your application, how you can share code between GWT, Android, and App Engine, and how you can monetize your application with Google Checkout.

Ray Cromwell

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App Engine was designed to run request-driven web applications, although this will change in the coming year with the release of a number of offline computing components. In this session, we'll explore the task queue/executor model of computation and some of the more interesting applications.

Brett Slatkin

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In this session, we will show how to use Google Wave APIs through demos and code samples. Learn how to add waves to your web site, extend Google Wave with both client- and server-side code, and integrate Google Wave with other services like Twitter or your favorite bug database.

Douwe Osinga

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Too many programmers have forgotten about the lost art of customer service. All software has users, though most developers have forgotten how to respect them, trust them, or sell their software to them in an exciting (but honest!) manner. This talk will focus on anecdotes and strategies for keeping software design uncomplicated, making software fast, and putting usability above programming convenience. Well also focus on the importance of keeping a healthy illusion of simplicity, while allowing abstractions to deliberately leak for power-users.

Brian Fitzpatrick, Ben Collins-Sussman

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Learn about new features in HTML 5 that enhance and enrich the web experience. Learn about new features in HTML 5, how they'll be supported in Chrome, and our latest plans for new functionality. The web browser is quickly evolving into a rich platform with access to all the capabilities that your computer has to offer. This talk will help you understand what is possible and how to write applications that use the latest APIs.

Matthew Papakipos

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This session will focus on building a server-side data source compatible with the Visualization API. It will cover the following topics: Using available Libraries for generic data sources, writing a datasource, and datasources on AppEngine.

-- Contents --
0:05 - Agenda
1:00 - What is Google Visualization API?
9:30 - Remote Data Source
14:32 - The Java Open Source Data Source library
17:04 - Java Data Source Demo
31:48 - SalesForce.com Data Source implementation
43:20 - Q&A
-- End --

Itai Raz, Nir Bar-Lev, Jesse Lorenz

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One of the nicest things about working on an open source project is the atmosphere of community collaboration and brainstorming that it fosters. The GWT engineering team has been listening hard to the community about how GWT can be improved, and we're excited to take you on a tour of the powerful new features that have resulted. GWT 2.0 contains huge improvements, including dynamic script loading, a new catalog of compiler optimizations, and a new approach to hosted mode debugging that promises to revolutionize your productivity. Without a doubt, it will change the way you use GWT.

Bruce Johnson

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Steve is the author of High Performance Web Sites and the creator of YSlow. In this talk, he presents some of the best practices from his next book, including optimizing CSS selectors, flushing the document early, and discovering why 15% of users don't get compressed responses.

Steve Souders

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Creating relatively simple applications that scale with App Engine can be easy after the initial learning curve. But larger applications with more complex functionality are still hard to get right, especially when you need to scale. This talk will go over more advanced data structures and techniques to use when building complex web applications with Google App Engine, and how to make them scale.

Brett Slatkin

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Learn practical tips, techniques and tricks for making your Android applications fast and responsive. This session will focus on optimizations recommended by the Android framework team to make the best use of the UI toolkit.

Romain Guy

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This session will show how enterprises can bring their existing data into Google Apps using the Google Secure Data Connector. In this session, we will access information stored in a SQL database from behind a firewall and we will show how to use that information inside App Engine, a spreadsheet and a gadget. This session demonstrate how you can build powerful applications in the cloud by using your existing corporate infrastructure.

Jun Yang

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