Create graphic interfaces dinamically

Hi every one, I trying to create an application similar to the notepad3 tutorial. The main difference is that I need to be able to create different "note formats". Is possible to obtain an xml file from the web and use it in the creation of an android interface? I have researched about the Metawidget library that is a very useful tool for android but I haven't been able to create interfaces dynamically. Does any one knows how this can be done? Thanks in advance.

Regards,
Helios