My application has a MapView which shows a collection of items in a
satellite view. I use the MapController's zoomToSpan() method to
initialize the zoom level of MapView. I later discovered that the
MapView was showing a blank white screen with grey X's (zoom'd too
far, zoom out once and everything looks as expected) for the use case
when the collection of item's locations were very close to each
other. So, I modified the code from this:
mapController.zoomToSpan(latitudeDelta, longitudeDelta);
to this:
mapController.zoomToSpan(latitudeDelta, longitudeDelta);
if (mapView.getZoomLevel() > mapView.getMaxZoomLevel()) {
mapController.setZoom(mapView.getMaxZoomLevel());
}
but, I still got the same result. I added some debug before and after
the zoomToSpan() to retrieve the zoom level from MapView and noticed
that the zoom level did not change. I'm guessing somehow that the
work is queued up??
I don't know if this information is important or not to this problem,
but I'll also mention that the MapView is created from a MapActivity
which is hosted in the tab host of a TabActivity that contains three
tabs, one of which is the map. I searched this forum and elsewhere
and haven't seen anyone encounter such a problem before. I'm hoping
someone can point me in the right direction.
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