我在我的项目中使用谷歌地图apis v2。现在我想将google map api版本更改为v3。在旧的代码我是解析JSON字符串以下列方式我怎样才能获得地图标记在谷歌地图api v3?
JSONObject placemark = json.getJSONArray("Placemark").getJSONObject(0);
AddressDetail address = new AddressDetail();
address.setFullAddress(placemark.getString("address"));
JSONObject area = placemark.getJSONObject("AddressDetails").getJSONObject("Country").getJSONObject("AdministrativeArea");
address.setCounty(area.getString("AdministrativeAreaName"));
JSONObject subArea = area.getJSONObject("SubAdministrativeArea");
address.setTown(subArea.getString("SubAdministrativeAreaName"));
JSONObject locality = subArea.getJSONObject("Locality");
address.setLocalityName(locality.getString("LocalityName"));
address.setPostCode(locality.getJSONObject("PostalCode").getString("PostalCodeNumber"));
address.setStreet(locality.getJSONObject("Thoroughfare").getString("ThoroughfareName"));
,但是当我改变谷歌地图的版本v3和生成的URL
http://maps.google.com/maps/api/geocode/json?sensor=false&latlng=51.520205,-0.1379954
,并发送请求server.Getting json没有地标。
我该如何在google map api v3中获得地标?