GitHub user prabhjyotsingh opened a pull request: https://github.com/apache/zeppelin/pull/3152
[ZEPPELIN-3736] Helium page's UI to show loading screen ### What is this PR for? At times Helium page's API takes time to return the result, the idea of this JIRA is to show a loading screen while it takes time. ### What type of PR is it? [Improvement] ### What is the Jira issue? * [ZEPPELIN-3736](https://issues.apache.org/jira/browse/ZEPPELIN-3736) ### How should this be tested? * Refer screen shot ### Screenshots (if appropriate) Before:  After:  ### Questions: * Does the licenses files need update? * Is there breaking changes for older versions? * Does this needs documentation? You can merge this pull request into a Git repository by running: $ git pull https://github.com/prabhjyotsingh/zeppelin ZEPPELIN-3736 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/zeppelin/pull/3152.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #3152 ---- commit e4f4b9894002f02a197b413d987c74f54fdf02d0 Author: Prabhjyot Singh <prabhjyotsingh@...> Date: 2018-08-20T06:19:10Z loading screen in helium page Change-Id: I9156f8ad60128dc4b1a5005c4d81098b81c47905 ---- ---