inst/examples/shinymobile_timer.R

In shinyTimer: Customizable Timer for 'shiny' Applications

devtools::load_all()

ui <- shinyMobile::f7Page(
  shinyMobile::f7Card(
    shinyTimer(
      inputId = "shiny_timer",
      seconds = 10L, 
      type = "simple",
      style = "font-weight: bold; font-size: 72px; text-align: center;"
    ),
    shinyMobile::f7Button(
      "start_timer",
      label = "Start", 
      size = "large",
      rounded = TRUE,
      color = "orange"
    ) |>
      htmltools::tagAppendAttributes(
        style="font-size:20px;"
      )
  )
)

server <- function(input, output, session) {
  shiny::observeEvent(input$start_timer, {
    countDown(
      inputId = "shiny_timer"
    )
  })
}

shinyApp(ui, server)