Hide/show outputs Shiny R

Question

I am trying to find out how to show and hide my outputs like graphics and tabels each time when the user change something in the widjets. For instance I have a slider input

Answer 1

The other answers here don't seem to provide the right/complete answer. The solution is actually quite simple.

You need to use outputOptions(output, 'show', suspendWhenHidden = FALSE)

Below is a sample code that displays the text inside a conditionalPanel if the dropdown selection is 2 and hides if it is 1.

  library(shiny)
  
  ui <- fluidPage(
    selectInput("num", "Choose a number", 1:2),
    
    conditionalPanel(
      condition = "output.show",
      "The selected number is 2 so this text is displayed. Change it back to 1 to hide."
    )
    
  )
  
  server <- function(input, output, session) {
    output$show <- reactive({
          input$num == 2 # Add whatever condition you want here. Must return TRUE or FALSE
      })
    
    outputOptions(output, 'show', suspendWhenHidden = FALSE)
  }
    
  shinyApp(ui = ui, server = server)