try {
        HttpClient client = new DefaultHttpClient();  
        String getURL = "http://www.google.com";
        HttpGet get = new HttpGet(getURL);
        HttpResponse responseGet = client.execute(get);  
        HttpEntity resEntityGet = responseGet.getEntity();  
        if (resEntityGet != null) {  
                    //do something with the response
                    Log.i("GET RESPONSE",EntityUtils.toString(resEntityGet));
                }
} catch (Exception e) {
    e.printStackTrace();
}

     try {
        HttpClient client = new DefaultHttpClient();  
        String postURL = "http://somepostaddress.com";
        HttpPost post = new HttpPost(postURL);
            List<NameValuePair> params = new ArrayList<NameValuePair>();
            params.add(new BasicNameValuePair("user", "kris"));
            params.add(new BasicNameValuePair("pass", "xyz"));
            UrlEncodedFormEntity ent = new UrlEncodedFormEntity(params,HTTP.UTF_8);
            post.setEntity(ent);
            HttpResponse responsePOST = client.execute(post);  
            HttpEntity resEntity = responsePOST.getEntity();  
            if (resEntity != null) {    
                Log.i("RESPONSE",EntityUtils.toString(resEntity));
            }
    } catch (Exception e) {
        e.printStackTrace();
    }

File file = new File("path/to/your/file.txt");
try {
         HttpClient client = new DefaultHttpClient();  
         String postURL = "http://someposturl.com";
         HttpPost post = new HttpPost(postURL);
     FileBody bin = new FileBody(file);
     MultipartEntity reqEntity = new MultipartEntity(HttpMultipartMode.BROWSER_COMPATIBLE);  
     reqEntity.addPart("myFile", bin);
     post.setEntity(reqEntity);  
     HttpResponse response = client.execute(post);  
     HttpEntity resEntity = response.getEntity();  
     if (resEntity != null) {    
               Log.i("RESPONSE",EntityUtils.toString(resEntity));
         }
} catch (Exception e) {
    e.printStackTrace();
}

public class LocationExampleAct extends Activity implements LocationListener{


    private double latitude;
    private double longitude;
    private LocationManager locMgr = null;
   
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
   
        locationTxt = (TextView)findViewById(R.id.location_id);
       
        locMgr = (LocationManager)this.getSystemService(Context.LOCATION_SERVICE);
        locMgr.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, this);
       
    }
   
    @Override
    public void onLocationChanged(Location location) {
        this.latitude = location.getLatitude();
        this.longitude = location.getLongitude();
        this.locationTxt.setText("Location: "+this.latitude +" : " + this.longitude);
        Log.i("Location change",""+latitude+ " : "+longitude) ;
    }
    @Override
    public void onProviderDisabled(String provider) {
       
    }
    @Override
    public void onProviderEnabled(String provider) {
       
    }
    @Override
    public void onStatusChanged(String provider, int status, Bundle extras) {
       
    }
}