Android 如何从经纬度获取村庄、地区和街道
我有纬度和经度坐标,我想从中得到村庄名称,地区和分区。我搜索并找到了没有给出村庄名称的反向地理编码。 是否有任何api或代码库可用于从lat long获取准确位置。我想在我的android应用程序中展示这一点Android 如何从经纬度获取村庄、地区和街道,android,google-maps,geolocation,location,Android,Google Maps,Geolocation,Location,我有纬度和经度坐标,我想从中得到村庄名称,地区和分区。我搜索并找到了没有给出村庄名称的反向地理编码。 是否有任何api或代码库可用于从lat long获取准确位置。我想在我的android应用程序中展示这一点 Geocoder geocoder = new Geocoder(this, Locale.getDefault()); String result = null; try { List<Address> addressL
Geocoder geocoder = new Geocoder(this, Locale.getDefault());
String result = null;
try {
List<Address> addressList = geocoder.getFromLocation(
25.882456,83.174279, 1);
if (addressList != null && addressList.size() > 0) {
Address address = addressList.get(0);
StringBuilder sb = new StringBuilder();
for (int i = 0; i < address.getMaxAddressLineIndex(); i++) {
sb.append(address.getAddressLine(i)).append("\n");//adress
}
sb.append(address.getLocality()).append("\n");//village
sb.append(address.getPostalCode()).append("\n");
sb.append(address.getCountryName());
sb.append(address.getAdminArea()).append("\n"); //state
sb.append(address.getSubAdminArea()).append("\n");//district
result = sb.toString();
}
} catch (IOException e) {
// Log.e(TAG, "Unable connect to Geocoder", e);
}
Geocoder-Geocoder=new-Geocoder(这个,Locale.getDefault());
字符串结果=null;
试一试{
List addressList=geocoder.getFromLocation(
25.882456,83.174279, 1);
if(addressList!=null&&addressList.size()>0){
地址=地址列表。获取(0);
StringBuilder sb=新的StringBuilder();
对于(int i=0;i
我更改了您的代码,它正在工作
import java.io.IOException;
import java.util.List;
import java.util.Locale;
import android.app.AlertDialog;
import android.content.Context;
import android.location.Address;
import android.location.Geocoder;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.util.Log;
import android.widget.Toast;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.BitmapDescriptorFactory;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;
public class MainActivity extends FragmentActivity {
private GoogleMap mMap;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
setUpMapIfNeeded();
}
@Override
protected void onResume() {
super.onResume();
setUpMapIfNeeded();
}
private void setUpMapIfNeeded() {
if (mMap != null) {
return;
}
mMap = ((SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map)).getMap();
if (mMap == null) {
return;
}
// Initialize map options. For example:
// mMap.setMapType(GoogleMap.MAP_TYPE_HYBRID);
final LatLng INDIA = new LatLng(28.5192, 77.2130);
// String address=getAddress(this, 28.5192, 77.2130);
Marker melbourne = mMap.addMarker(new MarkerOptions()
.position(INDIA)
.title("Saket")
.snippet("Population: 4,137,400"));
// String address=getAddress(this,28.6700, 77.4200);
Geocoder geocoder = new Geocoder(this, Locale.getDefault());
String result = null;
try {
List<Address> addressList = geocoder.getFromLocation(
25.882456,83.174279, 1);
if (addressList != null && addressList.size() > 0) {
Address address = addressList.get(0);
StringBuilder sb = new StringBuilder();
for (int i = 0; i < address.getMaxAddressLineIndex(); i++) {
sb.append(address.getAddressLine(i)).append("\n");//adress
}
sb.append(address.getLocality()).append("\n");//village
sb.append(address.getPostalCode()).append("\n");
sb.append(address.getCountryName());
sb.append(address.getAdminArea()).append("\n"); //state
sb.append(address.getSubAdminArea()).append("\n");//district
sb.append(address.getSubLocality()).append("\n");
result = sb.toString();
}
} catch (IOException e) {
// Log.e(TAG, "Unable connect to Geocoder", e);
}
new AlertDialog.Builder(this).setMessage(result).create().show();
Toast.makeText(getApplicationContext(), result, Toast.LENGTH_LONG).show();
final LatLng Ghaziabad = new LatLng(24.1860076, 75.1432231);
Marker ghaziabad = mMap.addMarker(new MarkerOptions()
.position(Ghaziabad)
.title(result)
.snippet("Population: 4,137,400")
.icon(BitmapDescriptorFactory.fromResource(R.drawable.ic_launcher)));
}
import java.io.IOException;
导入java.util.List;
导入java.util.Locale;
导入android.app.AlertDialog;
导入android.content.Context;
导入android.location.Address;
导入android.location.Geocoder;
导入android.os.Bundle;
导入android.support.v4.app.FragmentActivity;
导入android.util.Log;
导入android.widget.Toast;
导入com.google.android.gms.maps.GoogleMap;
导入com.google.android.gms.maps.SupportMapFragment;
导入com.google.android.gms.maps.model.BitmapDescriptorFactory;
导入com.google.android.gms.maps.model.LatLng;
导入com.google.android.gms.maps.model.Marker;
导入com.google.android.gms.maps.model.MarkerOptions;
公共类MainActivity扩展了FragmentActivity{
私有谷歌地图;
@凌驾
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
setupmapifneed();
}
@凌驾
受保护的void onResume(){
super.onResume();
setupmapifneed();
}
私有void setUpMapIfNeeded(){
如果(mMap!=null){
返回;
}
mMap=((SupportMapFragment)getSupportFragmentManager().findFragmentById(R.id.map)).getMap();
如果(mMap==null){
返回;
}
//初始化映射选项。例如:
//mMap.setMapType(GoogleMap.MAP\u TYPE\u HYBRID);
最终LatLng INDIA=新LatLng(28.5192,77.2130);
//字符串地址=getAddress(this,28.5192,77.2130);
Marker melbourne=mMap.addMarker(新MarkerOptions()
.职位(印度)
.名称(“Saket”)
.snippet(“人口:4137400”);
//字符串地址=getAddress(this,28.6700,77.4200);
Geocoder Geocoder=新的Geocoder(这个,Locale.getDefault());
字符串结果=null;
试一试{
List addressList=geocoder.getFromLocation(
25.882456,83.174279, 1);
if(addressList!=null&&addressList.size()>0){
地址=地址列表。获取(0);
StringBuilder sb=新的StringBuilder();
对于(int i=0;i
请显示您的代码,并说明在哪种情况下它不起作用。您能告诉我们“结果”是什么吗?我从未使用过,但在API中,我看到它以JSON格式返回信息,您会在意吗?