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- ---
- title: Creating Multi Tab Applications
- order: 84
- layout: page
- ---
-
- [[creating-multi-tab-applications]]
- = Creating multi-tab applications
-
- Every new request to the server gets a new session and UI instance.
- Having the application open in separate tabs or windows means that the
- instances are totally separate from each others, and thus won't conflict
- and cause any out of sync or similar issues.
-
- Opening the new tab will open the application into it's start page. Use
- URI fragments if you want to open a specific view into the secondary
- tab. You can read the URI fragments in the `UI.init()` and decide if you
- want to show the main view or a specialized view:
-
- [source,java]
- ....
- public void init(VaadinRequest request) {
- String person = request.getParameter("editPerson");
- if (person == null) {
- setContent(new MainView());
- } else {
- setContent(new EditPersonView(person));
- }
- }
- ....
-
- More examples on URI fragments and parameters can be found at:
-
- * link:UsingURIFragments.asciidoc[Using URI fragments]
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