Android HTTP GET requests stored in JSON

HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost("http://dogecoin.com/api");
HttpResponse httpresponse = null;

final Thread t = new Thread() {
    public void run() {

    Looper.prepare();
    ArrayList<NameValuePair> postParameters;

    postParameters = new ArrayList<NameValuePair>();
    postParameters.add(
        new BasicNameValuePair("key", "value"));
    postParameters.add(
        new BasicNameValuePair("double", Double.toString(123)));
    postParameters.add(
        new BasicNameValuePair("float", Float.toString(123.04)));

    try {
        httppost.setEntity(new UrlEncodedFormEntity(postParameters));
        // reset to null before making a new post if it's being reused
        httpresponse = null;
        httpresponse = httpclient.execute(httppost);
    } catch (IOException e1) {
        e1.printStackTrace();
    }

    // Checking response
    if(httpresponse!=null){

    try {

        // Get the data in the entity
        BufferedReader reader = new BufferedReader(
            new InputStreamReader(
                httpresponse.getEntity().getContent(), "UTF-8")
        );

        StringBuilder builder = new StringBuilder();
        for (String line = null; (line = reader.readLine()) != null;) {
            builder.append(line).append("\n");
        }

        JSONTokener tokener = new JSONTokener(builder.toString());
        JSONObject finaljson = new JSONObject(tokener);

        Log.v("JSON OUTPUT: ", finaljson.toString());

    } catch (IOException e) {
        e.printStackTrace();
    } catch (JSONException e) {
        e.printStackTrace();
    }

    }

    Looper.loop(); //Loop in the message queue
    
    }
};

t.start();