skinSelector()

if (interactive()) {
 library(shiny)
 library(shinydashboard)
 library(shinydashboardPlus)
 
 shinyApp(
   ui = dashboardPage(
     header = dashboardHeader(),
     sidebar = dashboardSidebar(),
     body = dashboardBody(),
     controlbar = dashboardControlbar(skinSelector()),
     title = "Skin Selector"
   ),
   server = function(input, output) { }
 )
}