MapView にいくつかの MapOverlay を追加しようとしていますが、次のエラーが発生します。
java.util.ConcurrentModificationException
at java.util.ArrayList$ArrayListIterator.next(ArrayList.java:569)
at com.google.android.maps.OverlayBundle.draw(OverlayBundle.java:44)
at com.google.android.maps.MapView.onDraw(MapView.java:530)
at android.view.View.draw(View.java:13458)
...
at dalvik.system.NativeStart.main(Native Method)
これは、私の AsyncTask の doInBackground() メソッドです。
Drawable marker = myContext.getResources().getDrawable(
R.drawable.marker);
Bitmap bitmap = ((BitmapDrawable) marker).getBitmap();
Drawable marker_new = new BitmapDrawable(myContext.getResources(),
Bitmap.createScaledBitmap(
bitmap, MainActivity.MARKER_SIZE * 10,
MainActivity.MARKER_SIZE * 10, true));
mapOverlays = map.getOverlays();
int minLat = Integer.MAX_VALUE;
int maxLat = Integer.MIN_VALUE;
int minLon = Integer.MAX_VALUE;
int maxLon = Integer.MIN_VALUE;
double fitFactor = 1.1;
MainActivity.mapListAddress.clear();
MainActivity.mapListTitle.clear();
MainActivity.mapListLati.clear();
MainActivity.mapListLongi.clear();
MainActivity.parseMaps();
for (int i = 0; i < MainActivity.mapListAddress.size(); i++) {
// String pointAddress = MainActivity.mapListAddress.get(i);
String pointTitel = MainActivity.mapListTitle.get(i);
MyItemizedOverlay itemizedOverlay = new MyItemizedOverlay(
marker_new, map);
double latitude = MainActivity.mapListLati.get(i) * 1e6;
double longitude = MainActivity.mapListLongi.get(i) * 1e6;
Geocoder geocoder;
List<Address> addresses = null;
geocoder = new Geocoder(Map.this, Locale.getDefault());
try {
addresses = geocoder.getFromLocation(MainActivity.mapListLati.get(i),
MainActivity.mapListLongi.get(i), 1);
} catch (IOException e) {
e.printStackTrace();
}
String address = addresses.get(0).getAddressLine(0);
String city = addresses.get(0).getAddressLine(1);
String country = addresses.get(0).getAddressLine(2);
String pointAddress = address + "\n" + city + "\n" + country;
GeoPoint p = new GeoPoint((int) latitude, (int) longitude);
overlayitem = new OverlayItem(p, pointTitel,
pointAddress);
itemizedOverlay.setBalloonBottomOffset(40);
itemizedOverlay.addOverlay(overlayitem);
mapOverlays.add(itemizedOverlay);
int lat = p.getLatitudeE6();
int lon = p.getLongitudeE6();
maxLat = Math.max(lat, maxLat);
minLat = Math.min(lat, minLat);
maxLon = Math.max(lon, maxLon);
minLon = Math.min(lon, minLon);
map.getController().zoomToSpan((int) (Math.abs(maxLat - minLat) * fitFactor),
(int) (Math.abs(maxLon - minLon) * fitFactor));
map.getController().animateTo(new GeoPoint((maxLat + minLat) / 2,
(maxLon + minLon) / 2));
}
return null;
このエラーが発生する理由と、コードのどこが間違っているのでしょうか?