Busy Indicators and Notifications for 'Shiny' Applications

Add indicators (spinner, progress bar, gif) in your 'shiny' applications to show the user that the server is busy. And other tools to let your users know something is happening (send notifications, reports, ...).

shinybusy

Automated (or not) busy indicator for Shiny apps & other progress / notifications tools

Installation

Install from CRAN with:

install.packages("shinybusy")

You can install dev version of shinybusy from GitHub:

remotes::install_github("dreamRs/shinybusy")

Examples

Automated busy indicators

Gif

Animate a Gif when server is busy and pause animation when server is idle :

# Somewhere in UI
add_busy_gif(src = "https://jeroen.github.io/images/banana.gif", height = 70, width = 70)

Progress bar

Make an infinite progress bar appear on top of the page when server is busy :

add_busy_bar(color = "#FF0000")

Spinner

Add a spinner when server is busy on top-right corner of the page with:

add_busy_spinner(spin = "fading-circle")

Other functionalities

Display a loading indicator at the start of the application until it is ready to be used, block application interaction until a calculation is done, send notifications to user, ... See vignette or online website for more.

Development

This package use {packer} to manage JavaScript assets, see packer's documentation for more.

Install nodes modules with:

packer::npm_install()

Modify srcjs/exts/busy.js (or other scripts), then run:

packer::bundle()

Re-install R package and try demo applications in examples/.

Other related packages

These packages provide cool alternative to add progress indicator in shiny application :

• {waiter} : Loading screens for Shiny
• {shinycssloaders} : Add CSS loader animations to Shiny outputs
• {shinycustomloader} : Add a custom loader for R shiny

Acknowledgements

Development of this package was funded by Silex Technologies (https://www.silex-ip.com)