Creating a Main View | Application Basics | Vaadin Docs
setVisible(false) on PolymerTemplate does not work if the PolymerTemplate is within a component with a shadow root. · Issue #8256 · vaadin/flow · GitHub
Vaadin guides - how to add them correctly - Stack Overflow
vaadin-app-layout-flow/AppLayoutView.java at master · vaadin/vaadin-app- layout-flow · GitHub
Master Vaadin VerticalLayout and HorizontalLayout - layouts in Vaadin Flow - YouTube
vaadin-app-layout/AppLayoutRouterLayout.java at master · appreciated/vaadin -app-layout · GitHub