Google I/O is on at the moment so expect lots of announcements.
The most interesting I have come across so far is new integration between GWT and Spring. This sound promising as these are two of my preferred technologies: http://www.vmware.com/company/news/releases/vmware-google.html
You can keep up with videos from Google I/O here:
http://www.youtube.com/googledevelopers

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Over the past couple of weeks I have been looking at the feasibility of creating mobile widgets using Google Web Toolkit (GWT).  Mobile widgets package up open web technology, specifically HTML, CSS, JavaScript files in such a way that they can be deployed as  applications on mobile phones.  In a similar way the same files could be packaged to deploy as Opera widgets or Adobe Air applications. The productivity gain of writing code once like this and being able to execute it on so many platforms is very appealing especially for …

I attended the OpenMIC BarCamp event in Bath last week and was interested to learn about mobile widgets. Mobile widgets are basically mobile apps build with web technologies. They come in different flavours but all are a collection of JavaScript, CSS and image files together with an HTML file. These files are then packaged in a zip file with an XML descriptor (a bit like a war) and can be deployed to a mobile phone. I just deployed my by sending the file via Bluetooth. The application then can be …

In this article I try to give a brief tutorial of how to use the
GXT (Ext-GWT) MVC. Using GWT 1.7 and GXT 2.0.1.
Having worked out what was going on in GXT MVC I was able to put
together a simple sample app of my own. The example I choose was an app
to to retrieve and display the current stock price of Google. To keep things simple the backend is based on an example from the GreatWebGuy website.
The diagram below shows the key components used in the GXT MVC
framework and how they …