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Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.We are excited to announce the standby package. It allows you to easily create alerts, notifications, tooltips and loading screens in Shiny. The package was developed as part of our internal tools for developing shiny apps and we are glad to share it with the rest of the community.
Installation ```
``` Loading ScreensTo use spinners/loaders from standby in your Shiny application, include thefollowing in the UI part of the app:
use* functions(useSpinkit() in the below example).spinkit() in the below example).Example
library(shiny)library(standby)ui <- fluidPage( standby::useSpinkit(), # include dependencies fluidRow( standby::spinkit(plotOutput("plot1")), # wrap output inside loader actionButton("render", "Render") ))server <- function(input, output, session) { output$plot1 <- renderPlot({ input$render Sys.sleep(3) hist(mtcars$mpg) })}shinyApp(ui, server)
DetailsThe below table displays the dependency and rendering functions along with references:
| Index | Dependency | Render | Reference |
| --- | --- | --- | --- |
| 1 | useThreeDots() | threeDots() | Three Dots |
| 2 | useSpinkit() | spinkit() | SpinKit |
| 3 | useVizLoad() | vizLoad() | Loading Visualization |
| 4 | useSpinners() | spinners() | Spinners |
| 5 | useLoaders() | loaders() | Loaders |
Alerts and NotificationsTo use alerts or notifications from buzz in your Shiny application, follow the below steps:
use* functions (useToast() in the below example).toast() in the below example).Example
library(shiny)library(standby)ui <- fluidPage( useBootBox(), # include dependencies actionButton(inputId = "notify", label = "Show Notification"))server <- function(input, output, session) { observeEvent(input$pnotify, { bootBox(class = "rubberBand") # display the alert })}shinyApp(ui, server)
DetailsThe below table displays the dependency and rendering functions along with references:
| Index | Dependency | Render | Reference |
| --- | --- | --- | --- |
| 1 | useAlertify() | alertify_alert() | Alertify |
| 2 | useAlertify() | alertify_notify() | Alertify |
| 3 | useBootBox() | bootBox() | BootBox |
| 4 | useMicroTip() | microTip() | MicroTip |
| 5 | useNS() | notice() | Notification Styles |
| 6 | useNotify() | notify() | PNotify |
| 7 | useTingle() | tingle() | Tingle |
| 8 | useToast() | toast() | iziToast |
Learning More* Documentation * GitHub Inspiration & Acknowledgementstandby takes inspiration from the following wonderful packages:
We found the following books extremely helpful while working on the package and in general for developing Shiny apps. We would like to express out heartful gratitude to the respective authors for making them available for free to the community.
FeedbackAll feedback is welcome. Issues (bugs and feature requests) can be posted togithub tracker.For help with code or other related questions, feel free to reach out to usat pkgs@rsquaredacademy.com.
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Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.Continue reading: Introducing standby