I am sure about updating the map in real time - how the users are going to use the application isn't the concern at the moment. I just got the traffic message specs, so I'll do that and see how far I get with updating the events on the map.
Thanks Al! On Jun 22, 1:37 pm, "Alistair." <alistair.rutherf...@googlemail.com> wrote: > Are you sure you want to update the map in real time? In terms of a > mobile application users are not going to have the application open > to the map view constantly they will open the app and observe the > current state of the road location they are interested in. > > All you really need to do is fetch the latest data when the view is > opened and update the current event list. > > Al. > > On Jun 21, 12:19 pm, Lex <hakkinen1...@gmail.com> wrote: > > > Hi everyone, > > > I am developing a prototype application which features basic > > navigation (updating of own location on the map) and displays live > > traffic events as traffic sign icons on the map. The traffic events > > will be fetched from a server over a UDP connection. (I haven't > > implemented this as I don't have the traffic message specs yet). > > > The idea is to display traffic events in real-time and also delete > > them when they have expired. I figured out that what I need for this > > is one or more ItemizedOverlays with dynamic items. I found this post, > > >http://groups.google.com/group/android-developers/browse_thread/threa... > > > which seems to be similar to my application. So the circular process > > is: > > 1. fetch traffic data from server > > 2. populate an ItemizedOverlay object containing traffic events > > 3. update the map accordingy when the items in the overlay have > > changed > > > Apparently in the MapView (or Map Activity?) I need some sort of a > > listener for changes in the ItemizedOverlay object. What is the best > > practice for doing this? > > > Thanks, Lex --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
