The Zukunft

Jonas Huckestein's blog about technology, entrepreneurship and stuff like that

Posts Tagged ‘tutorial

A Wave Gadget + Robot using GWT 2.0 and Google App Engine, Part 1

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[tweetmeme source=”jonashuckestein” only_single=false]I finally got around to playing with Google Wave (wave me: and decided to build my own extension. Things got somewhat complex, so I made this into a multi-part tutorial. We are going to develop a gadget for Google Wave (in case you don’t have an invite yet, drop me a line) using Google Web Toolkit and wire it up to a robot that lives on the App Engine cloud.

In this part, we are going to develop a simple collaborative gadget that lives on a wave. You should be familiar with Google Wave and have some experience in developing applications using Google Web Toolkit.

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Written by Jonas Huckestein

2010/02/08 at 10:54 am

Posted in technology

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An Editable Label for GWT with UiBinder and EventHandlers

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I just learned how to make custom widgets EventHandler-aware so that you can add EventHandlers to them. It turned out to be a little tricky so I thought I’d share that :) To make it more interesting, I’ll also make use of UiBinder and develop a particularly useful widget. The EditableLabel widget. It consists of a label, that becomes editable when clicked and can have attached ValueChangeHandlers (which a Label usually doesn’t have). For this tutorial I used GWT 2.0.

Click here to see a demo of the EditableLabel widget.
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Written by Jonas Huckestein

2010/02/05 at 1:48 pm

Posted in technology

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