Screenshot of iOS NativeExtension view

Context:

I need to add UI-elements on top of some native views.

When adding native components on screen (Native Alerts, SMS compose-view, Email compose-view, MapKit, etc.) they are layered over the entire AIR application.

I have no control over this layering and so I can not put AIR UI-elements above these views.

So... what I'm trying to do is:

- take a screenshot (bitmapdata) of the component (eg.: MapKit, or even the entire screen)

- hide the actual native component

- add the bitmapdata to the AIR displaylist

- add the neccesary UI-elements over that bitmap

- presto

But native components aren't part of the displaylist, so I can't take bitmapdata from them...

So my second plan was to capture the bitmapdata natively as a UIImage, convert that to a bytearray and pass it to AIR.

Then in actionscript convert the bytearray back to an image, etc.

This seems like an awful lot of work (I'm not even sure it would work) to get a screenshot of a native view or the entire screen.

Actual question:

How can I take a screenshot of my iDevice and use it in flash?

And please don't tell me to use the cameraroll, I don't want to store dozens of UI screenshots on the users device.