Summary: Pixel copy is a more reliable and consistent way to take a snapshot rather than drawing into a canvas. It accepts either: Surface SurfaceView Window For root views that belong to an activity its easy to get the window so we do that here. In the next diff we solve this for other root views Reviewed By: lblasa Differential Revision: D50845282 fbshipit-source-id: 3968828dedd1e96a854b907e0fd152ad64993d95