On Tue, Jun 8, 2010 at 7:14 PM, Steve Howard <ste...@android.com> wrote:
> A simple solution is to add an Overlay, override the draw() method, and not > actually do any drawing, but simply use the method as a hook to know anytime > the map has potentially moved or zoomed. The problem is, this will get > called more often than necessary, so you'll need some custom logic to decide > when the viewport has changed "enough" for you to make a new query. This > shouldn't be too difficult however -- you can track the current center and > zoom in your Overlay subclass -- and you'd probably need some kind of logic > like this anyway. > > Let me know how that works for you, or if it works at all. > > Steve > > > Thanks Steve, I eventually came to give that very method a try, although I haven't yet decided on how to avoid the excessive updating. I may try to find out when the user's fingers are no longer on the touch screen or when the trackball (if present) is no longer moved. Can I recommend that a simpler method of doing this sort of detection be added in the future? Perhaps an interface/listener combination like many other similar cases? Thanks, Raymond -- 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
