问题
i don't get it. i can plot one point successfully with the BalloonItemizedOverlay, however, when i plot multiple points, the background switches from a street view to a solid ocean blue color. the markers are plotted correctly on the overlay and i can click on the markers and it does what it's told, but i just don't get why my street view disappears and gets replaced by a ocean blue background. anyone else run into this? What am i doing wrong? I noticed that when it gets to the animateTo() command, it switches to blue.
List<Overlay> mapOverlays = mapView.getOverlays();
Drawable drawable = getResources().getDrawable(R.drawable.marker);
LocatorItemizedOverlay itemizedOverlay = new LocatorItemizedOverlay(drawable, mapView);
for (SingleLocation mloc : Locations)
{
String strLocationAddress = mloc.AddressLine1 + ", " + mloc.City + ", " + mloc.State + " " + mloc.ZipCode;
point = new GeoPoint((int) (Double.parseDouble(mloc.Longitude) * 1E5),(int) (Double.parseDouble(mloc.Latitude) * 1E5));
overlayItem = new OverlayItem(point,mloc.LocName,strLocationAddress);
itemizedOverlay.addOverlay(overlayItem);
}
mapOverlays.add(itemizedOverlay);
mapView.getController().animateTo(point);
mapView.getController().setZoom(10);
回答1:
To convert it should be * 1E6, not 1E5. Your points are probably out in the ocean somewhere. Can you zoom out to see?
来源:https://stackoverflow.com/questions/5021898/anyone-implemented-the-balloonitemizedoverlay-with-multiple-points-successfull