zjffdu opened a new pull request #3582: [ZEPPELIN-4525]. Support Shiny in R 
Interpreter
URL: https://github.com/apache/zeppelin/pull/3582
 
 
   ### What is this PR for?
   This PR is to support shiny app in R interpreter. It is based on jupyter's 
irkernel, so that means you need to install irkernel first, and install shiny 
package as well.
   
   Writing shiny app in Zeppelin requires at 3 paragraphs.
   * UI paragraph  e.g. %r.shiny(type=ui) 
   * Server paragraph e.g. %r.shiny(type=server) 
   * Run paragraph e.g. %r.shiny(type=run) 
   * Normal R code paragraph(optional) e.g. %r.shiny
   
   See the screenshot below for more details.
   
   
   ### What type of PR is it?
   [Feature]
   
   ### Todos
   * [ ] - Task
   
   ### What is the Jira issue?
   * https://issues.apache.org/jira/browse/ZEPPELIN-4525
   
   ### How should this be tested?
   * CI pass
   
   ### Screenshots (if appropriate)
   
   
![shiny_app](https://user-images.githubusercontent.com/164491/71650190-706bca00-2d4f-11ea-8706-9ca674799bae.gif)
   
   ### Questions:
   * Does the licenses files need update? No
   * Is there breaking changes for older versions? No
   * Does this needs documentation? No
   
   
   
   
   
   

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