windowIsFloating while a great one stop shop for creating Dialog styled UI\'s has many
---bugs--- quirks.
The one which I\'m battling right no
Thanks to @PolamReddy who nudged me towards answer I wanted:
The theme Theme.Translucent.NoTitleBar.Fullscreen and its ancestors contains all the attributes you need to create a translucent window. In order to get everything apart from windowIsFloating I went through the ancestor stack and pulled out the entire set of attributes:
This style must be assigned to the Activity in the AndroidManifest.xml rather than the root view of a layout.