start_app creates an app, and places it on the top of the app stack.

start_app(
  theme = getOption("cli.theme"),
  output = c("auto", "message", "stdout", "stderr"),
  .auto_close = TRUE,
  .envir = parent.frame()
)

stop_app(app = NULL)

default_app()

Arguments

theme

Theme to use.

output

How to print the output.

.auto_close

Whether to stop the app, when the calling frame is destroyed.

.envir

The environment to use, instead of the calling frame, to trigger the stop of the app.

app

App to stop. If NULL, the current default app is stopped. Otherwise we find the supplied app in the app stack, and remote it, together with all the apps above it.

Value

start_app returns the new app, default_app returns the default app. stop_app does not return anything.

Details

stop_app removes the top app, or multiple apps from the app stack.

default_app returns the default app, the one on the top of the stack.