rshiny app disconnects on ios

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I implemented a dashboard app using r shiny. i am hosting the app on shinyapps.io. I have an issue on iOS when users move to another application and return.

for example: the user is watching the dashboard, then switches to send a text message or email, then returns to the dashboard. when they return to the dashboard, they will see the gray screen and require a server reload. how can i make it so the user does not have to reload the application?

That's not a problem specific to ios, but you can address it by going to shinyapps.io clicking on your application under the "Name" column and then in the "Advanced" tab increasing the "Connection Timeout". Bear in mind that increasing this will use up your active hours more quickly.