Unity scene with transparent background on Android

I'd like to run a Unity app on Android with a transparent background, so that the Android desktop shows through. The Unity app would appear to be some kind of widget.

I thought of two ways to do that:

- have Unity not render anything in the background. Is that possible? From the threads I found, since Unity 4.3, it doesn't work anymore.
- capture a screenshot of the desktop before opening the Unity app and use the screenshot as a background in Unity. is that feasible? (I am not an Android expert)

Tks for any help. If there is a solution, I would probably want to subcontract its development.

 

Hi
i am also trying to create a widget with translucent background (unity 5), do u have a solution for this?

 

Hi
i tried to fallow http://stackoverflow.com/questions/...with-transparent-background-unity-game-engine
but no lack....
i downloaded unity 4.2...
playing with the camera Clear flags and Culling Mask but i always get a black background.
the object that i am showing is rotted cube.... whats strange is the cube shadow side is transparent
does any one have a solution for this using unity 4.2?

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you can see by the shadowed side of the cube?, you could just scale the cuabe and the take the screen shot?