Peter Wrote:
com.google.android.maps.MyLocationOverlay Please note if MyLocationOverlay is a Class in Android Peter DMT wrote: > Let me guess... r u invoking your code from *within* your custom > MyLocationOverlay code ? > > I had the same Java exception as you until I moved my overlay updating > code OUT of my custom MyLocationOverlay class. > It seems that MyLocationOverlay also maintains a handle on the > overlays list, so that appeared(at least for me,) to be the source of > the ConcurrentModificationException. > > > On Dec 26, 6:59 pm, mscwd01 <[email protected]> wrote: > >> Okay, hope everyone had a nice christmas and has had their fill of >> Turkey ;) >> Now can anyone help me with this? >> >> On Dec 24, 11:53 am, mscwd01 <[email protected]> wrote: >> >> >>> Hello, anyone help me with this please... >>> >>> On Dec 24, 12:42 am,mscwd01<[email protected]> wrote: >>> >>>> I am getting the following exception: >>>> >>>> 12-24 00:29:25.922: ERROR/AndroidRuntime(267): Uncaught handler: >>>> thread main exiting due to uncaught exception >>>> 12-24 00:29:25.960: ERROR/AndroidRuntime(267): >>>> java.util.ConcurrentModificationException >>>> 12-24 00:29:25.960: ERROR/AndroidRuntime(267): at >>>> java.util.AbstractList$SimpleListIterator.next(AbstractList.java:59) >>>> 12-24 00:29:25.960: ERROR/AndroidRuntime(267): at >>>> com.google.android.maps.OverlayBundle.draw(OverlayBundle.java:41) >>>> 12-24 00:29:25.960: ERROR/AndroidRuntime(267): at >>>> com.google.android.maps.MapView.onDraw(MapView.java:454) >>>> >>>> I believe this is whats happening: >>>> >>>> I have a MapView with a few Map Overlays (simple markers), >>>> occasionally the locations of the markers change so I clear the map >>>> overlays using: "map.getOverlays().clear()" and insert new marker >>>> overlays onto the map. >>>> >>>> However, if I happen to be moving the map, or zooming the map when the >>>> update occurs I get the aboveConcurrentModificationException. >>>> >>>> I tried synchronizing on the map overlay list, like: >>>> synchronized (map.getOverlays()) { >>>> // clear and update overlays >>>> >>>> } >>>> >>>> However I still get the above exception. >>>> >>>> Can someone explain the correct way to clear overlays on a map and to >>>> repopulate them without encountering ConcurrentModification >>>> Exceptions. >>>> >>>> Oh and I am calling: "map.postInvalidate()" to "refresh" the map and >>>> display the changes made to the overlays. Is this the correct way to >>>> "repaint" a map? >>>> >>>> Thanks >>>> > > > > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
