How to add a Sencha ExtJS splash (loading) screen
By Alvin Alexander. Last updated: June 3 2016
I’ve written a couple of small Sencha ExtJS applications lately, and I can confirm that the following technique works to display a splash screen while your application is loading.
(This isn’t a tutorial per se. I assume that you know how to use ExtJS, and just want to see how to implement a splash screen (loading page) as the user waits for the application to load.)
In short, you’ll want code like this in your Ext.application
function: