April 2018
Intermediate to advanced
202 pages
4h 48m
English
The Resource interface and its implementations are the connections between Java code and resources such as images, downloadable files, or embedded content. You have probably used a StreamResource to dynamically generate a file that a user can download or a ThemeResource to display an image in your UI.
A theme, in turn, is a set of static resources used to configure the appearance of a Vaadin application. By default, Vaadin applications use the Valo theme, a powerful set of styles that can be configured using variables.
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