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Android; Geocoder, why do I get "the service is not available"?

I want to use the Geocoder in an android application, I've got the following piece of code to sample it :

public class LocatorGeo extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);


        Geocoder geo = new Geocoder(getApplicationContext());

        List<Address> myAddrs = new ArrayList<Address>();

        try {
            myAddrs = geo.getFromLocationName("CO100AR", 1);
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}

I get the following stack trace :

09-01 15:52:38.809: WARN/System.err(334): java.io.IOException: Service not Available
09-01 15:52:38.819: WARN/System.err(334):     at android.location.Geocoder.getFromLocationName(Geocoder.java:159)
09-01 15:52:38.829: WARN/System.err(334):     at com.jameselsey.LocatorGeo.onCreate(LocatorGeo.java:25)
09-01 15:52:38.829: WARN/System.err(334):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
09-01 15:52:38.839: WARN/System.err(334):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
09-01 15:52:38.849: WARN/System.err(334):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
09-01 15:52:38.849: WARN/System.err(334):     at android.app.ActivityThread.access$2300(ActivityThread.java:125)
09-01 15:52:38.868: WARN/System.err(334):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
09-01 15:52:38.868: WARN/System.err(334):     at android.os.Handler.dispatchMessage(Handler.java:99)
09-01 15:52:38.879: WARN/System.err(334):     at android.os.Looper.loop(Looper.java:123)
09-01 15:52:38.889: WARN/System.err(334):     at android.app.ActivityThread.main(ActivityThread.java:4627)
09-01 15:52:38.899: WARN/System.err(334):     at java.lang.reflect.Method.invokeNative(Native Method)
09-01 15:52:38.909: WARN/System.err(334):     at java.lang.reflect.Method.invoke(Method.java:521)
09-01 15:52:38.919: WARN/System.err(334):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
09-01 15:52:38.929: WARN/System.err(334):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
09-01 15:52:38.929: WARN/System.err(334):     at dalvik.system.NativeStart.main(Native Method)

Why is the service unavailable? I have the following in my manifest

   <uses-permission android:name="android.permission.INTERNET"/>

The documentation states : The Geocoder class requires a backend service that is not included in the core android framework, how/where can I obtain such a service?

like image 985
Jimmy Avatar asked Sep 01 '10 15:09

Jimmy


People also ask

How does Android geocoder work?

A class for handling geocoding and reverse geocoding. Geocoding is the process of transforming a street address or other description of a location into a (latitude, longitude) coordinate. Reverse geocoding is the process of transforming a (latitude, longitude) coordinate into a (partial) address.

Is Android location geocoder free?

The Geocoder use is totally free.

What is geocoding location in Android?

Geocoding is the process of converting addresses (like a street address) into geographic coordinates (like latitude and longitude), which you can use to place markers on a map, or position the map. Reverse geocoding is the process of converting geographic coordinates into a human-readable address.


2 Answers

It's a bug in the emulator for 2.2 http://code.google.com/p/android/issues/detail?id=8816

like image 83
Ben English Avatar answered Oct 26 '22 20:10

Ben English


This is only solution for this problem....

public static JSONObject getLocationInfo(String address) {

        HttpGet httpGet = new HttpGet("http://maps.google.com/maps/api/geocode/json?address=" +address+"&ka&sensor=false");
        HttpClient client = new DefaultHttpClient();
        HttpResponse response;
        StringBuilder stringBuilder = new StringBuilder();

        try {
            response = client.execute(httpGet);
            HttpEntity entity = response.getEntity();
            InputStream stream = entity.getContent();
            int b;
            while ((b = stream.read()) != -1) {
                stringBuilder.append((char) b);
            }
        } catch (ClientProtocolException e) {
        } catch (IOException e) {
        }

        JSONObject jsonObject = new JSONObject();
        try {
            jsonObject = new JSONObject(stringBuilder.toString());
        } catch (JSONException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        return jsonObject;
    }

    public static GeoPoint getGeoPoint(JSONObject jsonObject) {

        Double lon = new Double(0);
        Double lat = new Double(0);

        try {

            lon = ((JSONArray)jsonObject.get("results")).getJSONObject(0)
                .getJSONObject("geometry").getJSONObject("location")
                .getDouble("lng");

            lat = ((JSONArray)jsonObject.get("results")).getJSONObject(0)
                .getJSONObject("geometry").getJSONObject("location")
                .getDouble("lat");

        } catch (JSONException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        return new GeoPoint((int) (lat * 1E6), (int) (lon * 1E6));

    }


GeoPoint srcGeoPoint =getGeoPoint(getLocationInfo(fromAddress.replace("\n"," ").replace(" ", "%20")));
            GeoPoint destGeoPoint =getGeoPoint(getLocationInfo(CalDescription.toAddress.replace("\n"," ").replace(" ", "%20")));
like image 40
IshRoid Avatar answered Oct 26 '22 21:10

IshRoid