Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.json.JSONObject;
import android.util.Log;

public class Main {
    private static final String LOG_TAG = "Utils";

    /**
     * Code adapted from http://stackoverflow.com/a/12854981
     * @return Device external IP address or ERROR statement.
     */
    public static String getExternalIP() {
        try {
            HttpClient httpclient = new DefaultHttpClient();
            HttpGet httpget = new HttpGet("http://ip2country.sourceforge.net/ip2c.php?format=JSON");
            // HttpGet httpget = new HttpGet("http://whatismyip.com.au/");
            // HttpGet httpget = new HttpGet("http://www.whatismyip.org/");
            HttpResponse response = httpclient.execute(httpget);
            HttpEntity entity = response.getEntity();
            if (entity != null && entity.getContentLength() > 0) {
                JSONObject json_data = new JSONObject(EntityUtils.toString(entity));
                return json_data.getString("ip");
            } else {
                Log.e(LOG_TAG, "Response error: " + response.getStatusLine().toString());
            }
        } catch (Exception e) {
            Log.e(LOG_TAG, e.toString());
        }
        return "ERROR";
    }
}