Using MXML with QNX UI Components for the PlayBook

One of the less known facts about the Flex SDK and all its various parts is that MXML != Flex. MXML is a markup language that gets turned into ActionScript by mxmlc. With a little bit of knowledge of some metadata and willingness to build a bit of plumbing into a container class, you can use MXML and QNX UI Components for the PlayBook.