Sreehari:

I'm in the process of doing the same thing in my application.  A good
resource to look at is this post on anddev.org:

http://csie-tw.blogspot.com/2009/06/android-driving-direction-route-path.html
(specifically the part about the class DrawPath where feeding
coordinates in will draw a route)

One thing mentioned in a later post by the owner of anddev (Nicholas
Gramlich) is that updating route information based on constantly
updated location data can be considered against the Maps API Terms of
Service.  You can look here for more:

http://www.anddev.org/important_android-googlemaps_api_tos_notice_update-t2875.html

Right now I'm trying to figure out how to erase parts of the route or
the entire route itself so if you make any progress be sure to let me
know!  The only problem I've experienced with the code from csie-tw is
that long routes make the application become unresponsive and force
close due to the nature of the system used.

Good luck! Hope that helps you!

On Apr 23, 12:19 pm, Nathan <[email protected]> wrote:
> On Apr 21, 11:05 pm, SREEHARI <[email protected]>
> wrote:
>
> > Hi All,
>
> >       I developed a map application with overlays. I am able to show
> > current location also. I want to display dynamic routes from current
> > location  to different points(overlays). I have stored several
> > points(geo coordiantes) using array. Should I use the graph data
> > structure concepts using some algorithms?
>
> Yes.
>
> And based on what you've said, I believe the algorithm choice is up to
> you.
>
> Nathan
>
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