Or follow the SurfaceView Overlay API Demo.

http://code.google.com/android/samples/ApiDemos/src/com/example/android/apis/graphics/

On Tue, Dec 2, 2008 at 11:11 AM, Robert Green <[EMAIL PROTECTED]> wrote:

>
> You can just do one square billboard positioned such that it is
> directly in front of the frustum.  The texture can be transparent and
> you just draw what you want to have show up.  That will be only 2
> additional polys for the 2D.
>
> On Dec 2, 9:56 am, fcalzada <[EMAIL PROTECTED]> wrote:
> > Yes i thought about it, but it's gonna take some 3d resources... and
> > my application is already quite heavy in vertices number
> >
> > On Dec 2, 3:51 pm, Robert Green <[EMAIL PROTECTED]> wrote:
> >
> > > In desktop 3D stuff I've always just created billboards and drawn to
> > > the textures for them.  I'm sure this same technique would work.
> >
> > > On Dec 2, 4:29 am, fcalzada <[EMAIL PROTECTED]> wrote:
> >
> > > > Hi,
> >
> > > > I'm having the same issue, I tried hard but without success.
> > > > Did you find a workaround ?
> >
> > > > thanks
> >
> > > > On Nov 20, 1:57 pm, petunio <[EMAIL PROTECTED]> wrote:
> >
> > > > > Hi
> >
> > > > > I am porting an application based on the sdk 3.0, and I am having
> > > > > countless problems...
> >
> > > > > now, I am struggling trying to put 2D graphics on top of a 3D
> scene...
> >
> > > > > After a lot of headache, I managed to create a opengl context,
> which
> > > > > now works, but when I try to put 2D graphics on top of it, this is
> > > > > what happens:
> >
> > > > > public void drawFrame(GL10 gl)
> > > > > {
> > > > >                 //view is a SurfaceView, and the value is not null
> !
> > > > >                 mySurfaceHolder=view.getSurfaceHolder();
> >
> > > > >                 Canvas c=mySurfaceHolder.lockCanvas();
> >
> > > > >                 //this is where I wanted to place my 2D drawing,
> but
> > > > > after the above line, this is
> > > > >                 //what I got in the Log:
> > > > > //11-20 12:52:02.508: ERROR/SurfaceComposerClient(490): eLocked set
> > > > > when entering lock_layer(), //layer=1 (lcblk=0x410420a0),
> > > > > state=00000020
> > > > > //11-20 12:52:02.598: ERROR/SurfaceHolder(490): Exception locking
> > > > > surface
> >
> > > > >                 mySurfaceHolder.unlockCanvasAndPost(c);
> >
> > > > > }
> >
> > > > > Any help would be very appreciated
> >
> > > > > Thanks!
> >
> >
> >
>


-- 
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.  All such questions should be posted on public
forums, where I and others can see and answer them.

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