1 ) Main Activity callLoginAPI( strUsername , strPassword ); private void callLoginAPI ( final String strUsername, final String strPassword) { try { if (ConnectivityDetector. IS_INTERNET_AVAILABLE ( mActivity )) { JSONObject jsonObject = new JSONObject(); jsonObject .put(WebFields.LOGIN. REQUEST_USERNAME , strUsername); jsonObject .put(WebFields.LOGIN. REQUEST_PASS , strPassword); jsonObject .put(WebFields.LOGIN. REQUEST_BROWSER , strBrowser ); jsonObject .put(WebFields.LOGIN. REQUEST_OS , strOS ); jsonObject .put(WebFields.LOGIN. REQUEST_DEVICE , strDevice ); jsonObject .put(WebFields.LOGIN. REQUEST_APPLICATION_ID , Integer. parseInt ( "3" )); jsonObject .put(WebFields.LOGIN. REQUEST_USERTYPE , Integer. parseInt ( "1" )); jsonObject .put(WebFields.LOGIN. REQUEST_STAY_SIGN_IN ,Boolean. p...