I found this site pretty interesting.  You may be able to duplicate what he
is doing with other controls if you like.

http://android-er.blogspot.com/2009/12/move-marker-on-mapview-with-zoom.html

<http://android-er.blogspot.com/2009/12/move-marker-on-mapview-with-zoom.html>I
primarily was looking for an alternative to the zoom controls so I could
slap some ads on my app.  This site helped immensely.


On Sat, Dec 12, 2009 at 8:08 PM, allankliu <[email protected]> wrote:

> Hi, I am trying to develop a Android Google Map application, which is
> basically Gmap with my own marker geo layer. Since android.com is
> banned in China, I have to search support from Google user groups. I
> have no idea which groups I should call for help, android group or
> google map group. Anyway here is my questions:
>
> I am working on Android SDk1.5. I want to reproduce the floating
> buttons presented in android Google map, which stands for three
> buttons: ZoomControl (left), FocusChange (middle), and ListControl
> (right). (Pls check ref1. ) I checked some open source projects, if
> designer can place these controls in the layout.xml with relative
> layout, to place them over (on the top of) the mapview. It may solve
> some problem, however in the SDK1.5' add-on gmap jar, the
> getZoomControl is discarded. I can only setBuiltInZoomControl(true) to
> enable the builtin zoomcontrol. By default, the "BuiltIn" Zoom Control
> is placed at Bottom/Center. (Pls check ref 2.) I have no idea how to
> relocate the "BuiltIn" Zoom Control to the left as native GMAP does.
>
> So:
>
> How to relocate the BuiltIn Zoom Control ?
> How to add addtional custom control (buttons/overlays) with
> BuiltInZoomControl ? What functions should be overriden for the detail
> implementaiton, Such as synhcorization with the visibility?
> I am appreciated if the answer can be offered with code snippet or
> references to any internet site.
>
> Ref:
> 1) http://www.ennovation.org/pix/transit-android-google-maps.png
> 2) http://www.ennovation.org/pix/device005.png
>
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