Image Upload Android

public String uploadFile(){
    if (DEBUG)Log.d(TAG, "onActivityResult: data==null");
    try {

        Uri outputFileUri = Uri.fromFile(file);
        if(DEBUG)Log.d(TAG,"outputFileUri post: "+outputFileUri);

        HttpClient imgClient = new DefaultHttpClient();
        imgClient.getParams().setParameter("http.connection.timeout",Integer.valueOf(1000));
        if(DEBUG)Log.d(TAG,"Service Image Upload: "+url);
        HttpPost imagePost = new HttpPost(url);

        BasicHttpEntity imgEntity = new BasicHttpEntity();
        imgEntity.setContent(new FileInputStream(file));
        imagePost.setEntity(imgEntity);
        imagePost.setHeader("imageName", "image");
        imagePost.setHeader("imageExtension", "jpg");

        HttpResponse imgResponse = imgClient.execute(imagePost);
        if (imgResponse.getStatusLine().getStatusCode() == HttpURLConnection.HTTP_OK) {
            HttpEntity httpEntity = imgResponse.getEntity();
            String response = EntityUtils.toString(httpEntity,HTTP.UTF_8);
            if (DEBUG)Log.d(TAG,"imgUpload response:"+response );
            return response;
        }else{
            if (DEBUG)Log.d(TAG,"imgUpload response: FAIL");
            return null;
        }
        } catch (ClientProtocolException e) {
            if (DEBUG)Log.d(TAG, "ClientProtocolException:");
            e.printStackTrace();
            return null;
        } catch (IOException e) {
            if (DEBUG)Log.d(TAG, "IOException:");
            e.printStackTrace();
            return null;
        }

    }

}