# Web Application Framework for R

## Documentation for package ‘shiny’ version 1.12.1

- DESCRIPTION file.
- Package NEWS.

## Help Pages

A B C D E F G H I L M N O P Q R S T U V W

shiny-package | Web Application Framework for R

## -- A --

absolutePanel | Panel with absolute positioning
actionButton | Action button/link
actionLink | Action button/link
addResourcePath | Resource Publishing
animationOptions | Slider Input Widget
appendTab | Dynamically insert/remove a tabPanel

## -- B --

basicPage | Create a Bootstrap page
bindCache | Add caching with reactivity to an object
bindEvent | Make an object respond only to specified reactive events
bookmarkButton | Create a button for bookmarking/sharing
bootstrapLib | Bootstrap libraries
bootstrapPage | Create a Bootstrap page
browserViewer | Viewer options
brushedPoints | Find rows of data selected on an interactive plot.
brushOpts | Create an object representing brushing options
busyIndicatorOptions | Customize busy indicator options

## -- C --

callModule | Invoke a Shiny module
checkboxGroupInput | Checkbox Group Input Control
checkboxInput | Checkbox Input Control
clickOpts | Control interactive plot point events
column | Create a column within a UI definition
conditionalPanel | Conditional Panel
createRenderFunction | Implement custom render functions
createWebDependency | Create a web dependency

## -- D --

dateInput | Create date input
dateRangeInput | Create date range input
dblclickOpts | Control interactive plot point events
debounce | Slow down a reactive expression with debounce/throttle
devmode | Shiny Developer Mode
devmode_inform | Shiny Developer Mode
dialogViewer | Viewer options
domains | Reactive domains
downloadButton | Create a download button or link
downloadHandler | File Downloads
downloadLink | Create a download button or link

## -- E --

enableBookmarking | Enable bookmarking for a Shiny application
eventReactive | Event handler
exportTestValues | Register expressions for export in test mode
ExtendedTask | Task or computation that proceeds in the background

## -- F --

fileInput | File Upload Control
fillCol | Flex Box-based row/column layouts
fillPage | Create a page that fills the window
fillRow | Flex Box-based row/column layouts
fixedPage | Create a page with a fixed layout
fixedPanel | Panel with absolute positioning
fixedRow | Create a page with a fixed layout
flowLayout | Flow layout
fluidPage | Create a page with fluid layout
fluidRow | Create a page with fluid layout
freezeReactiveVal | Freeze a reactive value
freezeReactiveValue | Freeze a reactive value

## -- G --

getCurrentOutputInfo | Get output information
getDefaultReactiveDomain | Reactive domains
getQueryString | Get the query string / hash component from the URL
getShinyOption | Get or set Shiny options
getUrlHash | Get the query string / hash component from the URL
get_devmode_option | Shiny Developer Mode

## -- H --

helpText | Create a help text element
hideTab | Dynamically hide/show a tabPanel
hoverOpts | Control interactive plot point events
htmlOutput | Create an HTML output element

## -- I --

icon | Create an icon
imageOutput | Create an plot or image output element
incProgress | Reporting progress (functional API)
inputPanel | Input panel
insertTab | Dynamically insert/remove a tabPanel
insertUI | Insert and remove UI objects
installExprFunction | Implement custom render functions
invalidateLater | Scheduled Invalidation
in_devmode | Shiny Developer Mode
is.reactive | Create a reactive expression
is.reactivevalues | Checks whether an object is a reactivevalues object
isolate | Create a non-reactive scope for an expression
isRunning | Check whether a Shiny application is running
isTruthy | Truthy and falsy values

## -- L --

loadSupport | Load an app's supporting R files
localOtelCollect | Temporarily set OpenTelemetry (OTel) collection level

## -- M --

mainPanel | Layout a sidebar and main area
markdown | Insert inline Markdown
markRenderFunction | Mark a function as a render function
maskReactiveContext | Evaluate an expression without a reactive context
MockShinySession | Mock Shiny Session
modalButton | Create a modal dialog UI
modalDialog | Create a modal dialog UI
moduleServer | Shiny modules

## -- N --

navbarMenu | Create a page with a top level navigation bar
navbarPage | Create a page with a top level navigation bar
navlistPanel | Create a navigation list panel
nearPoints | Find rows of data selected on an interactive plot.
need | Validate input values and other conditions
NS | Namespaced IDs for inputs/outputs
ns.sep | Namespaced IDs for inputs/outputs
numericInput | Create a numeric input control

## -- O --

observe | Create a reactive observer
observeEvent | Event handler
onBookmark | Add callbacks for Shiny session bookmarking events
onBookmarked | Add callbacks for Shiny session bookmarking events
onFlush | Add callbacks for Shiny session events
onFlushed | Add callbacks for Shiny session events
onReactiveDomainEnded | Reactive domains
onRestore | Add callbacks for Shiny session bookmarking events
onRestored | Add callbacks for Shiny session bookmarking events
onSessionEnded | Add callbacks for Shiny session events
onStop | Run code after an application or session ends
onUnhandledError | Add callbacks for Shiny session events
outputOptions | Set options for an output object.

## -- P --

paneViewer | Viewer options
parseQueryString | Parse a GET query string from a URL
passwordInput | Create a password input control
plotOutput | Create an plot or image output element
plotPNG | Capture a plot as a PNG file.
prependTab | Dynamically insert/remove a tabPanel
Progress | Reporting progress (object-oriented API)

## -- Q --

quoToFunction | Implement custom render functions

## -- R --

radioButtons | Create radio buttons
reactive | Create a reactive expression
reactiveFileReader | Reactive file reader
reactivePoll | Reactive polling
reactiveTimer | Timer
reactiveVal | Create a (single) reactive value
reactiveValues | Create an object for storing reactive values
reactiveValuesToList | Convert a reactivevalues object to a list
reactlog | Reactive Log Visualizer
reactlogAddMark | Reactive Log Visualizer
reactlogReset | Reactive Log Visualizer
reactlogShow | Reactive Log Visualizer
registerInputHandler | Register an Input Handler
register_devmode_option | Shiny Developer Mode
removeInputHandler | Deregister an Input Handler
removeModal | Show or remove a modal dialog
removeNotification | Show or remove a notification
removeResourcePath | Resource Publishing
removeTab | Dynamically insert/remove a tabPanel
removeUI | Insert and remove UI objects
renderCachedPlot | Plot output with cached images
renderImage | Image file output
renderPlot | Plot Output
renderPrint | Text Output
renderTable | Table Output
renderText | Text Output
renderUI | UI Output
repeatable | Make a random number generator repeatable
req | Check for required values
resourcePaths | Resource Publishing
restoreInput | Restore an input value
runApp | Run Shiny Application
runExample | Run Shiny Example Applications
runGadget | Run a gadget
runGist | Run a Shiny application from a URL
runGitHub | Run a Shiny application from a URL
runTests | Runs the tests associated with this Shiny app
runUrl | Run a Shiny application from a URL

## -- S --

safeError | Declare an error safe for the user to see
selectInput | Create a select list input control
selectizeInput | Create a select list input control
serverInfo | Collect information about the Shiny Server environment
session | Session object
setBookmarkExclude | Exclude inputs from bookmarking
setProgress | Reporting progress (functional API)
setSerializer | Add a function for serializing an input before bookmarking application state
shiny | Web Application Framework for R
shiny-options | Get or set Shiny options
shinyApp | Create a Shiny app object
shinyAppDir | Create a Shiny app object
shinyAppFile | Create a Shiny app object
shinyAppTemplate | Generate a Shiny application from a template
shinyOptions | Get or set Shiny options
showBookmarkUrlModal | Display a modal dialog for bookmarking
showModal | Show or remove a modal dialog
showNotification | Show or remove a notification
showTab | Dynamically hide/show a tabPanel
sidebarLayout | Layout a sidebar and main area
sidebarPanel | Layout a sidebar and main area
sizeGrowthRatio | Create a sizing function that grows at a given ratio
sliderInput | Slider Input Widget
snapshotExclude | Mark an output to be excluded from test snapshots
snapshotPreprocessInput | Add a function for preprocessing an input before taking a test snapshot
snapshotPreprocessOutput | Add a function for preprocessing an output before taking a test snapshot
splitLayout | Split layout
stopApp | Stop the currently running Shiny app
submitButton | Create a submit button

## -- T --

tableOutput | Table Output
tabPanel | Create a tab panel
tabPanelBody | Create a tab panel
tabsetPanel | Create a tabset panel
testServer | Reactive testing for Shiny server functions and modules
textAreaInput | Create a textarea input control
textInput | Create a text input control
textOutput | Create a text output element
throttle | Slow down a reactive expression with debounce/throttle
titlePanel | Create a panel containing an application title.

## -- U --

uiOutput | Create an HTML output element
updateActionButton | Change the label or icon of an action button on the client
updateActionLink | Change the label or icon of an action button on the client
updateCheckboxGroupInput | Change the value of a checkbox group input on the client
updateCheckboxInput | Change the value of a checkbox input on the client
updateDateInput | Change the value of a date input on the client
updateDateRangeInput | Change the start and end values of a date range input on the client
updateNavbarPage | Change the selected tab on the client
updateNavlistPanel | Change the selected tab on the client
updateNumericInput | Change the value of a number input on the client
updateQueryString | Update URL in browser's location bar
updateRadioButtons | Change the value of a radio input on the client
updateSelectInput | Change the value of a select input on the client
updateSelectizeInput | Change the value of a select input on the client
updateSliderInput | Update Slider Input Widget
updateTabsetPanel | Change the selected tab on the client
updateTextAreaInput | Change the value of a textarea input on the client
updateTextInput | Change the value of a text input on the client
updateVarSelectInput | Change the value of a select input on the client
updateVarSelectizeInput | Change the value of a select input on the client
urlModal | Generate a modal dialog that displays a URL
useBusyIndicators | Enable/disable busy indication

## -- V --

validate | Validate input values and other conditions
varSelectInput | Select variables from a data frame
varSelectizeInput | Select variables from a data frame
verbatimTextOutput | Create a text output element
verticalLayout | Lay out UI elements vertically
viewer | Viewer options

## -- W --

wellPanel | Create a well panel
withMathJax | Load the MathJax library and typeset math expressions
withOtelCollect | Temporarily set OpenTelemetry (OTel) collection level
withProgress | Reporting progress (functional API)
withReactiveDomain | Reactive domains
with_devmode | Shiny Developer Mode