Indeed, UIBinder does not support the Titanium widgets. Could you send us the changes to make it work with GWT 2.4 ? We will include it in the subsequent release.

Questions… Is it possible to use UIBinder? When is 2.2 going to go out?

You may want to check my other project: http://www.SalsaBeatMachine.org/

Where are you located?

There isn’t any complete technical reference, but this reference should serve as a good starting point:
http://code.google.com/p/google-web-toolkit/wiki/DesignOOPHM

For the most part, I used their source code. One of the more interesting classes is available here:
http://code.google.com/p/google-web-toolkit/source/browse/trunk/dev/core/src/com/google/gwt/dev/shell/BrowserChannel.java

This class contains the server-side of the hosted mode and has inner classes for all the protocol messages.

I am going to add you to skype.

I’ll checkout the code and start fooling around with it. Do you have any links describing the hosted mode protocol. I couldn’t found any. Or you did all the work by looking at gwt source?.

Add me to skype: ariel.scarpinelli

The general idea is to create a javascript wrapper that connects to the hosted mode service and implements the protocol gwt uses for the hosted mode. This wrapper will perform all the necessary operations to make sure the hosted mode code will have complete access to the device’s javascript VM, very similar to how it works in browsers. The current code is already available on the github repository, though it is not production-ready yet.

There are still some outstanding issues, for example:
- Changing the way constants work. Currently, all constant values are evaluated when a wrapper Java class is loaded. This causes many round trips and increases the application startup time in hosted mode. Constants must be changed to lazy.
- Implementing getters and setters for java object properties in hosted mode. Since javascript does not support catch-all getter/setter methods this would either require some tweaks in the hosted-mode server code, either some javascript magic (perhaps with a native code proxy) to support their scenario.
- Automatic download of the application’s assets – unlike web environment, we can’t rely on the platform to download the assets from the hosted mode server for us, and we must support this in some way. I have a few ideas, but I first want to get the basic code execution running.

So what’s already working?
Starting a simple application and debugging it should work with the current code. As long as you don’t call java getters in JSNI and don’t need any assets your application should work in the hosted mode.

The hosted mode actually brings an advantage over vanilla titanium: You can use it to debug your application on a real device, even remotely!

If you are willing to help in this project, please let me know and we will see how this can be accomplished. There is still a lot to do, so your help can definitely make things go faster.