If you need a Surface, you need to have your UI running in the foreground.
 That is just the way it is.

On Tue, Jul 6, 2010 at 4:13 PM, James Aguilar <[email protected]>wrote:

> On Jul 6, 2:23 pm, Dianne Hackborn <[email protected]> wrote:
> > No you need to be associated with an Activity UI in some way, so you can
> > have a SurfaceView attached to it to.
>
> I can't really get around needing a Surface, because one is necessary
> for setPreviewDisplay on the camera. On the other hand, I have tested
> that I can dismiss an Activity from the foreground once I have the
> Surface and continue recording video. The Surface seems to be
> available in the background as long as it was in the foreground at
> _some_ time. So, I've struck on a solution that might be good enough
> for my purposes.
>
> When I need to start recording video, I could start an Activity that
> allocates the surface, begins recording, then backgrounds itself. I
> haven't looked into it yet, but I assume the Android platform has some
> way of remembering what the previous activity was so I can
> automatically return to it. Then I can keep recording in that activity
> until I'm done, and then stop the Activity somehow.
>
> I guess that this will result in the screen flickering when the
> activity starts up, but it sounds like there is no way around it. Do
> you have any suggestions for how I could operate the video recorder
> less disruptively than that? Specifically, in a way that would not
> interrupt whatever else the user is doing when my program decides to
> start recording?
>
> -- James
>
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-- 
Dianne Hackborn
Android framework engineer
[email protected]

Note: please don't send private questions to me, as I don't have time to
provide private support, and so won't reply to such e-mails.  All such
questions should be posted on public forums, where I and others can see and
answer them.

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