you can check network connectivity before executing your Read
AsyncTask
1. check Connection
if(ifConnectionIsAvailable)
new Read().execute();
2. set Connection Time Out
HttpGet get = new HttpGet(url.toString());
HttpParams httpParameters = new BasicHttpParams();
int timeoutConnection = 3000;// in milliseconds
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
int timeoutSocket = 5000;
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
DefaultHttpClient httpClient = new DefaultHttpClient(httpParameters);
HttpResponse r = httpClient.execute(get);