Interface HasViewHeaderComponent

public interface HasViewHeaderComponent
Implemented by views that want to contribute an action component to the adaptive view header slot. AppNavLayout checks for this interface on each navigation and places the result in the viewHeaderSlot on both desktop and mobile.

Return null to suppress the slot.

  • Method Summary

    Modifier and Type
    Method
    Description
    com.vaadin.flow.component.Component
    getViewHeaderComponent()
    Returns the component to place in the view header slot, or null to suppress the slot.

  • Method Details

    • getViewHeaderComponent

      com.vaadin.flow.component.Component getViewHeaderComponent()
      Returns the component to place in the view header slot, or null to suppress the slot.

      Called on every navigation event. If this method returns a stateful component that is already attached elsewhere in the layout, return that same instance; otherwise return a new instance on each call.