TreKing, you are great! In fact, that was exactly the problem. I was populating with each overlay item I was adding to my overlay. Now I call populate() when i have finished adding all overlays items and it takes about 2 seconds!
Anyway, now i'm moving on and trying to show only overlay items in viewable area and I think I'm making great avances. When I finish it I'll post for anyone who needs it Thx Treking, you've been very helpful. On 28 oct, 15:49, TreKing <[email protected]> wrote: > On Thu, Oct 28, 2010 at 8:25 AM, Pikoh <[email protected]> wrote: > > > Are you reading from a local DB or pulling from the network? > > It's a local db. > > Well that greatly simplifies things. From the map view you can get the > current min and max points the user is currently viewing. With this you can > create a query that only returns those stops that are within the min and max > values so you'd reduce the data set considerably. That alone should give you > a huge performance boost. > > > > AFAIK, there is no good way of knowing when the user has panned or > > zoomed > > >(there are no related events) > > > Well, this guys at Google should make this events available, I think they > > are very useful :) > > Yes, the Google Maps API leaves ALOT to be desired, but I don't think there > are any plans to update it. Not when Google can keep making their own Maps > app better and better and make the rest of ours look like crap :) > > On Thu, Oct 28, 2010 at 8:29 AM, Pikoh <[email protected]> wrote: > > I mean, first overlay items go faster and then it slows down. > > You have an "addOverlay" function for you ItemizedOverlay. Are you by chance > calling "populate()" in there each time you add a new item? Because if you > do that each and every time you add a new item for 400 items, then it would > definitely explain the exponential slow down. Only call populate ONCE when > you've made all the changes to your list that need to be drawn. > > ------------------------------------------------------------------------------------------------- > TreKing <http://sites.google.com/site/rezmobileapps/treking> - Chicago > transit tracking app for Android-powered devices -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
