I am interested in putting some simple graphics (lines, a bit of text,
etc) over a live camera preview.

I've looked at the examples, and fiddled around a bunch, but just
don't see how to do it.

The examples use a GLSurfaceView as a camera preview surface, but in
that mode the view apparently cannot be drawn on. They also fill the
whole screen with it.

I tried putting it in a normal layout, rather that setting it as the
content view, but it does't work.

Anyone know how to do this?

Thanks in advance
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