Popups can be launched pointing to an ActionItem (like a ToolbarButton in the old toolbar), not to an Action itself.
Popovers pointing to buttons in the new header is not supported. Design recommends to use a pagestack in those cases. For specific needs of an app, please talk to designers for a solution
Popups can be launched pointing to an ActionItem (like a ToolbarButton in the old toolbar), not to an Action itself.
Popovers pointing to buttons in the new header is not supported. Design recommends to use a pagestack in those cases. For specific needs of an app, please talk to designers for a solution