Android UnionPay payment access reports nullexception exception

Android UnionPay payment access reports nullexception exception

Package com. example. ex_example; import java. io. byteArrayOutputStream; import java. io. inputStream; import java.net. URL; import java.net. URLConnection; import android. app. activity; import android. app. alertDialog; import android. app. progressDialog; import android. content. dialogInterface; import android. OS. handler; import android. OS. message; import android. util. log; import com. unionpay. UPPayAssistEx; import com. uni Onpay. uppay. payActivity; public class UnionPay implements Runnable {// public static final int PLUGIN_VALID = 0; // public static final int PLUGIN_NOT_INSTALLED =-1; // public static final int PLUGIN_NEED_UPGRADE = 2; /*************************************** * ************************** mMode parameter explanation: "00"-start UnionPay official environment "01"-connect to UnionPay testing environment test card No.: 6226440123456785 * password: 111101 ********************************** * *****************************/Private final static String mMode = "01 "; private static final String TN_URL_01 = "http: // 202.101.25.178: 8080/sim/gettn"; private static ProgressDialog mLoadingDialog = null; private static Activity; private static UnionPay unionPay = new UnionPay (); public static void unionpay (Activity activity) {UnionPay. activity = activity; mLoadingDialog = ProgressDia Log. show (activity, // context "", // title "is trying to obtain tn. Please wait... ", // message true); // whether the progress is uncertain, this is only related to the creation of progress bars /********************************* * Step 1: starting from the network, obtain the transaction serial number, that is, TN *********************************** * ************/new Thread (unionPay ). start (); // payment order amount // String orderAmount = "1533"; // qianniu merchant ID // String merchantNO = "805920100000069 "; /// Merchant Order No. // String orderNO = "46793431 1 "; // notification Url // String backUrl =" http://www.baidu.com "; // signature key // String key =" 86Aab696Fed90bc691a7AfE0b6a269Ac "; /// signature field // String signcont = // merchantNO + "&" + orderNO + "&" + orderAmount + "&" + backUrl + "&" + key; //// Log. e ("", "" + signcont); // String sign = MD5.digest (signcont); // String sign = MD5Utils. generate (signcont); // Log. e ("", "sign =" + sign. length (); // String url = "http: // m Pay.sinoqy.com: 6283/qyapi/trans/getTn "// + "? OrderAmount = "+ orderAmount // +" & merchantNO = "+ merchantNO // +" & orderNO = "+ orderNO // +" & backUrl = "+ backUrl // + "& sign = "+ sign; //// Log. e ("", "" + url); // obtain TN // HTTPUtils. get (this, url, new VolleyListener () {// @ Override // public void onErrorResponse (VolleyError arg0) {// Log. e ("", "VolleyError =" + arg0); //} // @ Override // public void onResponse (String arg0) {// Log. e ("", "onR Esponse = "+ arg0); //} // UnionPay private static Handler mHandler = new Handler () {public void handleMessage (android. OS. message msg) {if (mLoadingDialog. isShowing () {mLoadingDialog. dismiss ();} String tn = ""; if (msg. obj = null | (String) msg. obj ). length () = 0) {AlertDialog. builder builder = new AlertDialog. builder (activity); builder. setTitle ("error prompt"); builder. setMessage ("network connection failed, please repeat Try! "); Builder. setNegativeButton ("OK", new DialogInterface. onClickListener () {@ Override public void onClick (DialogInterface dialog, int which) {dialog. dismiss () ;}}); builder. create (). show ();} else {tn = (String) msg. obj; /*************************************** * Step 2: use the UnionPay tool to start the payment plug-in ********************************** * ************/doStartUnionPayPlugin (activity, tn, mMode) ;}}; // UnionPay Public static void doStartUnionPayPlugin (Activity activity, String tn, String mode) {Log. e ("", "handleMessage"); // TODO // orderInfo -- the order information is the transaction serial number, that is, TN. // Mode -- UnionPay Background Environment identifier. "00" will initiate a transaction in the official UnionPay environment, and "01" will initiate a transaction in the // UnionPay testing environment. UPPayAssistEx. startPayByJAR (activity, PayActivity. class, null, null, tn, mode) ;}@ Override public void run () {Log. e ("", "run"); String tn = null; InputStream is; try {String url = TN_URL_01; URL myURL = new URL (url); URLConnection ucon = myURL. openConnection (); ucon. setConnectTimeout (120000); is = ucon. getInputStream (); int I =-1; Byte ArrayOutputStream baos = new ByteArrayOutputStream (); while (I = is. read ())! =-1) {baos. write (I);} tn = baos. toString (); is. close (); baos. close ();} catch (Exception e) {e. printStackTrace ();} Message msg = mHandler. obtainMessage (); msg. obj = tn; mHandler. sendMessage (msg );}}

This is my integrated UnionPay payment.

Package com. example. ex_example; import android. OS. bundle; import android. support. v7.app. appCompatActivity; import android. view. view; public class MainActivity extends AppCompatActivity {@ Override protected void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. activity_main);} public void click (View v) {// call UnionPay. unionpay (this );}}