1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859public class HttpUrlConnection { public String performPostCall(String requestUrl, HashMap postDataParams){ URL url; String respones = ""; try{ url = new URL(requestUrl); HttpURLConnection conn = (HttpURLConnection)url.openConnection(); conn.setReadTimeout(15000); conn.setConnectTimeout(15..