private String urlString;
        private int timeout1,timeout2;
        MyAsyncTask(String url,int timeout1,int timeout2){
            urlString=url;
            this.timeout1=timeout1;
            this.timeout2=timeout2;
        }
        @Override
        protected String doInBackground(String... params) {
            httpget(urlString,timeout1,timeout2);
            return "test";
        }


    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        new MyAsyncTask("http://www.xiaonei.com:1234",3000,5000).execute("start");
        new MyAsyncTask("http://www.baidu.com",3000,5000).execute("start");        
    }

    private void httpget(String Url,int timeout1,int timeout2) {

        Log.v("httpget", "httpget start timeout1 is "+timeout1+"timeout2 is "+timeout2);
        int timeoutConnection = timeout1; // until connection is established
        int timeoutSocket = timeout2; // timeout for waiting for data
        HttpParams httpParameters = new BasicHttpParams();
        HttpConnectionParams.setConnectionTimeout(httpParameters,
                timeoutConnection);
        HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
    
        DefaultHttpClient httpClient = new DefaultHttpClient(httpParameters);
        HttpGet postRequest = new HttpGet(Url);
    
        HttpResponse httpResp = null;
    
        try {
            httpResp = httpClient.execute(postRequest);
        } catch (ClientProtocolException e) {
            Log.v("Main", "clinet protocol exception");
            return;
        }catch (SocketTimeoutException e) {
            // TODO: handle exception
            Log.v("Main", "socket timeout"+timeout2);
            return;
        }catch (ConnectTimeoutException e) {
            // TODO: handle exception
            Log.v("Main", "connection timeout"+timeout1);
            return;
        }
        catch (IOException e) {
            Log.v("Main", "io exception");
            return;
        }

    
    }