Thank you very much. Worked fine.
The setAlpha also worked.
At least on the simulator. Ill have to try on the device itself.
thanks
On Aug 10, 2010, at 6:34 PM, Mark Murphy wrote:
On Tue, Aug 10, 2010 at 1:27 PM, Pedro Teixeira
<[email protected]> wrote:
I'm passing a bitmap through a bundle to an activity which I called
cameraView on which the user has access to the camera of the device.
I'd like to overlay that bitmap with transparency using the camera as
the background. Is it possible? to put the bitmap in front of the
camera?
Put an ImageView in your RelativeLayout, after the SurfaceView, set to
the same dimensions (which are rather strange in your current
implementation). Then, put the bitmap in the ImageView. Later children
in a RelativeLayout stack over top (on the Z axis) of earlier
children, so your ImageView will appear over top of the SurfaceView.
And how can I change the transparency level?
You can try the under-documented setAlpha() on ImageView. If not, you
may need to modify the bitmap itself, somehow -- that's not my cup of
tea, so I don't have a specific implementation in mind.
Bear in mind that compositing the ImageView and the SurfaceView may
slow down the frame rate of your camera preview.
--
Mark Murphy (a Commons Guy)
http://commonsware.com | http://github.com/commonsguy
http://commonsware.com/blog | http://twitter.com/commonsguy
Android Training...At Your Office: http://commonsware.com/training
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Pedro Teixeira
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