Get Address from reverse geocoding android
what is reverse geo coding?
Reverse geocoding is the process of back (reverse) coding of a point location (latitude, longitude) to a readable address or place name. This permits the identification of nearby street addresses, places, and/or areal subdivisions such as neighbourhoods, county, state, or country.
Activity Source Code
XML Source Code
what is reverse geo coding?
Reverse geocoding is the process of back (reverse) coding of a point location (latitude, longitude) to a readable address or place name. This permits the identification of nearby street addresses, places, and/or areal subdivisions such as neighbourhoods, county, state, or country.
Activity Source Code
package
com.example.reversegeocoding;
import
java.io.BufferedReader;
import java.io.InputStream;
import
java.io.InputStreamReader;
import
org.apache.http.HttpEntity;
import
org.apache.http.HttpResponse;
import
org.apache.http.client.HttpClient;
import
org.apache.http.client.methods.HttpPost;
import
org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONArray;
import
org.json.JSONException;
import org.json.JSONObject;
import android.os.Bundle;
import
android.os.StrictMode;
import android.app.Activity;
import
android.text.TextUtils;
import android.util.Log;
import android.view.Menu;
import
android.widget.TextView;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle
savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if
(android.os.Build.VERSION.SDK_INT > 9) {
StrictMode.ThreadPolicy
stricMode = new StrictMode.ThreadPolicy.Builder()
.permitAll().build();
StrictMode.setThreadPolicy(stricMode);
}
TextView
address_textview =(TextView)findViewById(R.id.address);
address_textview.setText(getAddress());
}
public String getAddress()
{
String address1 = "";
String address2 = "";
String city = "";
String state = "";
String country = "";
String county = "";
String PIN = "";
String full_address = "";
try {
JSONObject jsonObj = getJSONfromURL("http://maps.googleapis.com/maps/api/geocode/json?latlng=" +"12.976457" + ","
+ "77.618194" + "&sensor=true");
String Status = jsonObj.getString("status");
if (Status.equalsIgnoreCase("OK")) {
JSONArray Results =
jsonObj.getJSONArray("results");
JSONObject zero =
Results.getJSONObject(0);
JSONArray address_components =
zero.getJSONArray("address_components");
for (int i = 0; i <
address_components.length(); i++) {
JSONObject zero2 =
address_components.getJSONObject(i);
String long_name =
zero2.getString("long_name");
JSONArray mtypes =
zero2.getJSONArray("types");
String Type = mtypes.getString(0);
if (TextUtils.isEmpty(long_name)
== false ||
!long_name.equals(null) || long_name.length() > 0 || long_name != "") {
if
(Type.equalsIgnoreCase("street_number")) {
address1 =
long_name + " ";
} else if
(Type.equalsIgnoreCase("route")) {
address1 = address1
+ long_name;
} else if
(Type.equalsIgnoreCase("sublocality")) {
address2 =
long_name;
} else if
(Type.equalsIgnoreCase("locality")) {
// Address2 =
Address2 + long_name + ", ";
city = long_name;
} else if (Type.equalsIgnoreCase("administrative_area_level_2")) {
county = long_name;
} else if
(Type.equalsIgnoreCase("administrative_area_level_1")) {
state = long_name;
} else if
(Type.equalsIgnoreCase("country")) {
country =
long_name;
} else if
(Type.equalsIgnoreCase("postal_code")) {
PIN = long_name;
}
}
full_address = address1 +","+address2+","+city+","+state+","+country+","+PIN;
}
}
} catch (Exception e) {
e.printStackTrace();
}
return full_address;
}
public static JSONObject
getJSONfromURL(String url) {
// initialize
InputStream is = null;
String result = "";
JSONObject jObject = null;
// http post
try {
HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost(url);
HttpResponse response =
httpclient.execute(httppost);
HttpEntity entity =
response.getEntity();
is = entity.getContent();
} catch (Exception e) {
Log.e("log_tag", "Error in http
connection " + e.toString());
}
// convert response to string
try {
BufferedReader reader = new BufferedReader(new
InputStreamReader(is, "iso-8859-1"), 8);
StringBuilder sb = new StringBuilder();
String line = null;
while ((line =
reader.readLine()) != null) {
sb.append(line + "\n");
}
is.close();
result = sb.toString();
} catch (Exception e) {
Log.e("log_tag", "Error
converting result " + e.toString());
}
// try parse the string to a JSON object
try {
jObject = new JSONObject(result);
} catch (JSONException e) {
Log.e("log_tag", "Error parsing
data " + e.toString());
}
return jObject;
}
}
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/address"
android:text="@string/hello_world" />
</RelativeLayout>