Gwt how many entry points

When you write client-side code that is intended to run in the web browser, remember that it ultimately becomes JavaScript. Thus, it is important to use only libraries and Java language constructs that can be translated into JavaScript.

The entry point method is onModuleLoad. It contains the code that executes when you launch the application. If you have multiple EntryPoints the interface that defines onModuleLoad within a module, they will all be called in sequence as soon as that module and the outer document is ready. If you are loading multiple GWT modules within the same page, each module's EntryPoint will be called as soon as both that module and the outer document is ready.

Two modules' EntryPoints are not guaranteed to fire at the same time, or in the same order in which their selection scripts were specified in the host page. Do you only really NEED an entry point when you have javascript generated based on your Java classes?

The most straightforward way to make a GWT app is to have a single page for the entire application, and a single top-level module defined in a. Each module has a single EntryPoint class. Then all of your different "pages" are sub-sections of the same page, ideally using GWT's history mechanism to keep track of state changes that in a non-AJAX web app would be new pages.

So if you set things up this way you'll need one EntryPoint for your whole app. The bit of the docs that you quoted link?

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Entry point class code SampleWebApplication. Deployment Descriptor code web.