Questions tagged [gwt]

GWT (formerly the Google Web Toolkit) is a development toolkit for building and optimizing complex browser-based applications. Its goal is to enable productive development of high-performance web applications without requiring the developer to be an expert in browser quirks, XMLHttpRequest, and JavaScript. GWT is used by many products at Google, including the new versions of AdWords and Groups. It's open source and completely free (Apache 2.0 licensed).

GWT (formerly the Google Web Toolkit) is a development toolkit for building and optimizing complex browser-based applications. Its core feature is the Java to JavaScript compiler.

The official docs cover all the basics and advanced topics – it's a great place to start and you'll often come back to it when you want to expand your knowledge of the framework. The docs are sprinkled with example code, but if that's not enough for you, there are always the samples that come with the GWT bundle.

For more esoteric topics the GWT Google Group might be of help. Latest stable version of GWT is 2.8.2 (2017-10-19)

Interesting links

Useful libraries

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GWT Internationalization Tool

Is there a tool for creating / editing the properties-Files (and [optional] the interfaces) for the GWT internationalization (i18n) with Constants and Messages?
Joschua
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GXT: How to bring the login page when session expires

I am developing a web application using GXT, Hibernate, mysql etc. There is a login page for the application. Actually I am getting problem to set the login page when the session expires. We can set the timeout in the web.xml file but in that case…
dhiraj
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GWT: Populating a page from datastore using RPC is too slow

Is there a way to speed up the population of a page with GWT's UI elements which are generated from data loaded from the datastore? Can I avoid making the unnecessary RPC call when the page is loaded? More details about the problem I am…
Ilya Boyandin
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Unable to compile the GWT module while trying to use javax.annotation.Nullable?

I would like to use the javax.annotation.Nullable annotation in my GWT project. I would like to know which module has to be inherited into my gwt.xml file inorder to use that annotation. The google guava jar internally uses the Nullable annotation…
Sarath Upadrista
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TreeItem ClickHandler in GWT

With the standard GWT 2.0.3 API, how do you add a Clickhandler to the TreeItem? I'm hoping to implement asynchronous calls to the server that will retrieve the resulting TreeItems that are expanded. Unfortunately FastTree doesn't work in GXT…
Federer
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How long do you keep session cookies around for?

I'm implementing a web app, which uses sessions. I'm using GWT and app engine as my client/server, but I don't think they're doing anything really different than I would do with PHP and apache etc. When a user logs into my web app, I am using…
user246114
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GWT: Failed to execute 'insertBefore' on 'Node': 2 arguments required, but only 1 present

I have a GWT project so my javascript codes are generated by GWT Compiler. After last chrome update, Javascript codes started to throw exception as "Failed to execute 'insertBefore' on 'Node': 2 arguments required, but only 1 present." Because…
Yusuf K.
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GWT Animation final value is not respected

I have a FlowPanel that I'm trying to animate back and forth like an iphone nav. (See this post for my original question on how to do this) So I have it "working" with the code shown below. I say working in quotes because I'm finding that my final…
brad
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LibGDX Uncaught RunTime Exception in HTML Deployment

I seem to be getting an error when deploying my game to HTML. The menu screen works fine, then the transition to the game screen causes this error. Text from console: Uncaught java.lang.RuntimeException:…
user3386826
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Easy GWT Animations

I've started looking at some external GWT libraries for animations, but they all seemd a bit overkill for what i want. I'm trying to mimic JQuery Tools scrollabel plugin in GWT for a scrolling navigation (think iphone). User clicks an item, page…
brad
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GWTMockito UnsatisfiedLinkError

I've done most of my GWT testing MVP-style, without testing widgets. I'd like to be able to build more complex widgets and test them well without using GwtTestCase (slow). Out of curiosity, I tried an extremely simple test. Given a very simple…
Geoffrey Wiseman
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GWT Post build command in Eclipse

I am starting getting used to Eclipse, but I have much more experience with Visual Studio. In Visual Studio it is possible to run auto commands after the build has finished. Now I am creating a GWT project and several other projects at once in one…
Henrik
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Prevent Cross-site request forgery - Never Rely on The SessionID Sent to Your Server in The Cookie Header

I am reading the tutorial at http://code.google.com/p/google-web-toolkit-incubator/wiki/LoginSecurityFAQ It states Remember - you must never rely on the sessionID sent to your server in the cookie header ; look only at the sessionID that…
Cheok Yan Cheng
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Access web service from GWT

Is there any way how I can access a web service from GWT using its WSDL? Previously I was trying to use the generated classes from ws-import.... but then someone pointed out to me that GWT cannot handle all Java, just a subset of it, hence it won't…
Krt_Malta
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options for producing audio with GWT

What options are there for producing audio in a GWT app? I'm thinking of making a simple game, but I'm disappointed to see that there's still not much progress on audio support directly in GWT (yes, I realize that's largely due to lack of…
George Armhold
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