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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 …

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 …