r - Shiny (Rstudio) apps not working -

r - Shiny (Rstudio) apps not working -

i working on shiny tutorial rstudio. updated rstudio, indicated in tutorial. current version have 0.98.945. when run supplied examples runexample("01_hello"), opens web browser , shows html content, not seem processing r code.

when proceed farther in tutorial creating own app runapp("app-1"), error message on web page: error: not find function "fluidpage". after sleuthing, found posting on site indicating need download developer version of shiny github, found here. ran code snippet installation -- , still no luck. suggestions appreciated!

after updating rstudio newest version redo install.packages("shiny") , library("shiny"). 1 time should eliminate need manually runapp code , button should appear run button says run app. before can click run app though have set working directory location have saved server.r , ui.r going session -> set working directory -> take directory. chose folder location click run app.

edit: there should no need run code github

r shiny rstudio