There's a class that does this. CopyOnWriteArrayList -Kumar Bibek http://techdroid.kbeanie.com
On Sep 15, 9:56 pm, Kostya Vasilyev <[email protected]> wrote: > I'm actually surprised that Java Collections doesn't have a copy > methods that takes a predicate. > > C++ STL has this: remove_copy_if > > -- Kostya > > 15.09.2010 20:34, Pedro Teixeira пишет: > > > > > Worked like a charm Kostya :DDDD > > > Thank you !!! I've used the iterator but didn't thought about > > ''instanceof'', it was erasing everything. Now it's perfect. > > > Thank you very much :D > > > Pedro > > > On Sep 15, 2010, at 5:24 PM, Kostya Vasilyev wrote: > > >> Pedro, > > >> I believe list.remove(object item) removes the first element has is > >> equal() to the one passed in. > > >> To remove items by some other criteria (such as actual class), you've > >> got to iterate the list. > > >> Note that removing elements while iterating has to be done by calling > >> remove() on the iterator. Calling remove() on the collection itself > >> while iterating is not supported, and throws an exception that says > >> as much. > > >> List<Overlay> list = mapView.getOverlays(); > > >> for (Iterator<Overlay> ite = list.iterator(); ite.hasNext(); ) > >> { > >> Overlay ov = ite.next(); > >> if (ov instanceof UserOverlay) { > >> ite.remove(); > >> } > >> } > > >> Hope this helps. > > >> -- Kostya > > >> 15.09.2010 20:06, Pedro Teixeira пишет: > >>> Hi, > > >>> I have an overlay list which I retrieve it like this: > > >>> List<Overlay> overlays = mapView.getOverlays(); > > >>> So in this list I have elements of the type userOverlay and > >>> picOverlay.. > >>> How can I do to erase ALL occurences of userOverlay but leave all the > >>> others? > >>> I've been playing around with the List methods but I can't make it > >>> work, I've tried: > > >>> while(overlays.contains(userOverlay)==true){ > >>> overlays.remove(userOverlay); > >>> } > > >>> Which made sense to me.. but it doesn't work.. > >>> any suggestions? > > >> -- > >> Kostya Vasilyev -- WiFi Manager + pretty widget -- > >>http://kmansoft.wordpress.com > > >> -- > >> 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 > > > Pedro Teixeira > > >www.pedroteixeira.org > > -- > Kostya Vasilyev -- WiFi Manager + pretty widget > --http://kmansoft.wordpress.com -- 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
