During application processing by default some animated waiting-image is shown on top of the current dialog:


Now it is extremely simple to notify the user in addition about the progress of the server side processing and to pass some progress level and text to the client:progress3

There is no necessity anymore to decouple the application processing into some own thread in order to “free up” the UI-request-thread. You just need to call a new Java-API:


Internally the progress information is passed through a web socket connection that is automatically established between the client and the server.

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