I am unable you reproduce this issue. I have created a fiddle with the test case I used.
Touch 2.3.1 is not available in fiddle so you will have to copy the js and css and run it locally.
Could you please modify this fiddle so that it illustrates the issue you are experiencing. https://fiddle.sencha.com/#fiddle/1p0
Thanks for your reply.
I'm new to Sencha. When i was building my app i found an example on the web on how to use 'Ext.dataview.component.ListItem'. I used that example and it worked fine. Let me explain what i'm trying to achieve:
I'm using 'Ext.dataview.component.ListItem' as view for my list item (obviously) and i need to add class to every list item dynamically, depending on the data which i receive from a server. So, my list element would look something like this: