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shinythemes

NOTE: This package has been superseded by the {bslib} package, which provides Bootswatch (and as well as custom) themes for both Bootstrap 3 and 4.

See the documentation at https://rstudio.github.io/shinythemes/.

The shinythemes package provides some Bootstrap themes for use with Shiny. The themes are from from https://bootswatch.com/:

• cerulean
• cosmo
• cyborg
• darkly
• flatly
• journal
• lumen
• paper
• readable
• sandstone
• simplex
• slate
• spacelab
• superhero
• united
• yeti

Using themes

Using the themes is simple. Use the theme argument to bootstrapPage, fluidPage, navbarPage, or fixedPage. The value should be shinytheme("<theme>"); for example, shinytheme("cerulean").

For example, a single-file app might look like this:

shinyApp(
  ui = navbarPage("United",
    theme = shinythemes::shinytheme("united"),  # <--- Specify theme here
    tabPanel("Plot", "Plot tab contents..."),
    navbarMenu("More",
      tabPanel("Summary", "Summary tab contents..."),
      tabPanel("Table", "Table tab contents...")
    )
  ),
  server = function(input, output) { }
)

Live theme selector

If you want to quickly test out different themes with an application, you can simply add themeSelector() somewhere to the UI. This will add a select box which lets you choose the theme. It will change the theme without having to reload or restart your app. You can see the theme selector in action here.

The theme selector is only meant to be used while developing an application. Once you’ve decided on which theme to use, pass it to the theme argument as described earlier.

Here’s an example app with the theme selector:

shinyApp(
  ui = fluidPage(
    shinythemes::themeSelector(),  # <--- Add this somewhere in the UI
    sidebarPanel(
      textInput("txt", "Text input:", "text here"),
      sliderInput("slider", "Slider input:", 1, 100, 30),
      actionButton("action", "Button"),
      actionButton("action2", "Button2", class = "btn-primary")
    ),
    mainPanel(
      tabsetPanel(
        tabPanel("Tab 1"),
        tabPanel("Tab 2")
      )
    )
  ),
  server = function(input, output) {}
)

Once you’ve found a theme that you like, use it in the page as shown above, with theme = shinythemes::shinytheme(<theme here>).

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.