我在 Android 中使用 WebView 客户端进行支付，下面是我的源代码。成功时，我只获得了 paymentId，但我需要其他信息，例如（付款状态、付款方式等），请检查以下代码并建议我如何获得它。
公共类 PayMentGateWay 扩展 Activity {
private ArrayList<String> post_val = new ArrayList<String>();
private String post_Data="";
WebView webView ;
final Activity activity = this;
private String tag = "PayMentGateWay";
private String hash,hashSequence;
ProgressDialog progressDialog ;
String merchant_key = "SHja8Z05";
String salt="0tR0sybux9";
String action1 ="";
String base_url="https://secure.payu.in";//
int error=0;
String hashString="";
Map<String,String> params;
String txnid ="";
String SUCCESS_URL = "https://www.payumoney.com/mobileapp/payumoney/success.php" ;
String FAILED_URL = "https://www.payumoney.com/mobileapp/payumoney/failure.php" ;
Handler mHandler = new Handler();
static String getFirstName, getNumber, getEmailAddress, getRechargeAmt;
ProgressDialog pDialog ;
@SuppressLint("JavascriptInterface") @Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
progressDialog = new ProgressDialog(activity);
getWindow().requestFeature(Window.FEATURE_PROGRESS);
webView = new WebView(this);
setContentView(webView);
Intent oIntent = getIntent();
getFirstName = oIntent.getExtras().getString("FIRST_NAME");
getNumber = oIntent.getExtras().getString("PHONE_NUMBER");
getEmailAddress = oIntent.getExtras().getString("EMAIL_ADDRESS");
getRechargeAmt = oIntent.getExtras().getString("RECHARGE_AMT");
//post_val = getIntent().getStringArrayListExtra("post_val");
//Log.d(tag, "post_val: "+post_val);
params= new HashMap<String,String>();
params.put("key", merchant_key);
params.put("amount", getRechargeAmt);
params.put("firstname", getFirstName);
params.put("email", getEmailAddress);
params.put("phone", getNumber);
params.put("productinfo", "Recharge Wallet");
params.put("surl", SUCCESS_URL);
params.put("furl", FAILED_URL);
params.put("service_provider", "payu_paisa");
params.put("lastname", "");
params.put("address1", "");
params.put("address2", "");
params.put("city", "");
params.put("state", "");
params.put("country", "");
params.put("zipcode", "");
params.put("udf1", "");
params.put("udf2", "");
params.put("udf3", "");
params.put("udf4", "");
params.put("udf5", "");
params.put("pg", "");
/*for(int i = 0;i<post_val.size();){
params.put(post_val.get(i), post_val.get(i+1));
i+=2;
}*/
if(empty(params.get("txnid"))){
Random rand = new Random();
String rndm = Integer.toString(rand.nextInt())+(System.currentTimeMillis() / 1000L);
txnid=hashCal("SHA-256",rndm).substring(0,20);
params.put("txnid", txnid);
}
else
txnid=params.get("txnid");
//String udf2 = txnid;
String txn="abcd";
hash="";
String hashSequence = "key|txnid|amount|productinfo|firstname|email|udf1|udf2|udf3|udf4|udf5|udf6|udf7|udf8|udf9|udf10";
if(empty(params.get("hash")) && params.size()>0)
{
if( empty(params.get("key"))
|| empty(params.get("txnid"))
|| empty(params.get("amount"))
|| empty(params.get("firstname"))
|| empty(params.get("email"))
|| empty(params.get("phone"))
|| empty(params.get("productinfo"))
|| empty(params.get("surl"))
|| empty(params.get("furl"))
|| empty(params.get("service_provider"))
){
error=1;
}
else{
String[] hashVarSeq=hashSequence.split("\\|");
for(String part : hashVarSeq)
{
hashString= (empty(params.get(part)))?hashString.concat(""):hashString.concat(params.get(part));
hashString=hashString.concat("|");
}
hashString=hashString.concat(salt);
hash=hashCal("SHA-512",hashString);
action1=base_url.concat("/_payment");
}
}
else if(!empty(params.get("hash")))
{
hash=params.get("hash");
action1=base_url.concat("/_payment");
}
webView.setWebViewClient(new MyWebViewClient(){
public void onPageFinished(WebView view, final String url) {
progressDialog.dismiss();
}
public void onPageStarted(WebView view, String url, Bitmap favicon) {
//make sure dialog is showing
if (!progressDialog.isShowing()) {
progressDialog.show();
}
}
});
webView.setVisibility(View.VISIBLE);
webView.getSettings().setBuiltInZoomControls(true);
webView.getSettings().setCacheMode(2);
webView.getSettings().setDomStorageEnabled(true);
webView.clearHistory();
webView.clearCache(true);
webView.getSettings().setJavaScriptEnabled(true);
webView.getSettings().setSupportZoom(true);
webView.getSettings().setUseWideViewPort(false);
webView.getSettings().setLoadWithOverviewMode(false);
//webView.addJavascriptInterface(new PayUJavaScriptInterface(getApplicationContext()), "PayUMoney");
webView.addJavascriptInterface(new PayUJavaScriptInterface(), "PayUMoney");
Map<String, String> mapParams = new HashMap<String, String>();
mapParams.put("key",merchant_key);
mapParams.put("hash",PayMentGateWay.this.hash);
mapParams.put("txnid",(empty(PayMentGateWay.this.params.get("txnid"))) ? "" : PayMentGateWay.this.params.get("txnid"));
Log.d(tag, "txnid: "+PayMentGateWay.this.params.get("txnid"));
mapParams.put("service_provider","payu_paisa");
mapParams.put("amount",(empty(PayMentGateWay.this.params.get("amount"))) ? "" : PayMentGateWay.this.params.get("amount"));
mapParams.put("firstname",(empty(PayMentGateWay.this.params.get("firstname"))) ? "" : PayMentGateWay.this.params.get("firstname"));
mapParams.put("email",(empty(PayMentGateWay.this.params.get("email"))) ? "" : PayMentGateWay.this.params.get("email"));
mapParams.put("phone",(empty(PayMentGateWay.this.params.get("phone"))) ? "" : PayMentGateWay.this.params.get("phone"));
mapParams.put("productinfo",(empty(PayMentGateWay.this.params.get("productinfo"))) ? "" : PayMentGateWay.this.params.get("productinfo"));
mapParams.put("surl",(empty(PayMentGateWay.this.params.get("surl"))) ? "" : PayMentGateWay.this.params.get("surl"));
mapParams.put("furl",(empty(PayMentGateWay.this.params.get("furl"))) ? "" : PayMentGateWay.this.params.get("furl"));
mapParams.put("lastname",(empty(PayMentGateWay.this.params.get("lastname"))) ? "" : PayMentGateWay.this.params.get("lastname"));
mapParams.put("address1",(empty(PayMentGateWay.this.params.get("address1"))) ? "" : PayMentGateWay.this.params.get("address1"));
mapParams.put("address2",(empty(PayMentGateWay.this.params.get("address2"))) ? "" : PayMentGateWay.this.params.get("address2"));
mapParams.put("city",(empty(PayMentGateWay.this.params.get("city"))) ? "" : PayMentGateWay.this.params.get("city"));
mapParams.put("state",(empty(PayMentGateWay.this.params.get("state"))) ? "" : PayMentGateWay.this.params.get("state"));
mapParams.put("country",(empty(PayMentGateWay.this.params.get("country"))) ? "" : PayMentGateWay.this.params.get("country"));
mapParams.put("zipcode",(empty(PayMentGateWay.this.params.get("zipcode"))) ? "" : PayMentGateWay.this.params.get("zipcode"));
mapParams.put("udf1",(empty(PayMentGateWay.this.params.get("udf1"))) ? "" : PayMentGateWay.this.params.get("udf1"));
mapParams.put("udf2",(empty(PayMentGateWay.this.params.get("udf2"))) ? "" : PayMentGateWay.this.params.get("udf2"));
mapParams.put("udf3",(empty(PayMentGateWay.this.params.get("udf3"))) ? "" : PayMentGateWay.this.params.get("udf3"));
mapParams.put("udf4",(empty(PayMentGateWay.this.params.get("udf4"))) ? "" : PayMentGateWay.this.params.get("udf4"));
mapParams.put("udf5",(empty(PayMentGateWay.this.params.get("udf5"))) ? "" : PayMentGateWay.this.params.get("udf5"));
mapParams.put("pg",(empty(PayMentGateWay.this.params.get("pg"))) ? "" : PayMentGateWay.this.params.get("pg"));
webview_ClientPost(webView, action1, mapParams.entrySet());
}
private final class PayUJavaScriptInterface {
PayUJavaScriptInterface() {
}
/**
* This is not called on the UI thread. Post a runnable to invoke
* loadUrl on the UI thread.
*/
@JavascriptInterface
public void success(long id, final String paymentId) {
mHandler.post(new Runnable() {
public void run() {
mHandler = null;
/*Intent intent = new Intent();
intent.putExtra(Constants.RESULT, "success");
intent.putExtra(Constants.PAYMENT_ID, paymentId);
setResult(RESULT_OK, intent);
finish();*/
// new PostRechargeData().execute();
Intent intent=new Intent(PayMentGateWay.this,MainActivity.class);
intent.putExtra("test",getFirstName);
startActivity(intent);
Toast.makeText(getApplicationContext(), "Successfully payment", Toast.LENGTH_LONG).show();
}
});
}
@JavascriptInterface
public void failure(final String id, String error) {
mHandler.post(new Runnable() {
@Override
public void run() {
//cancelPayment();
Toast.makeText(getApplicationContext(),"Cancel payment" ,Toast.LENGTH_LONG).show();
}
});
}
@JavascriptInterface
public void failure() {
failure("");
}
@JavascriptInterface
public void failure(final String params) {
mHandler.post(new Runnable() {
@Override
public void run() {
/*Intent intent = new Intent();
intent.putExtra(Constants.RESULT, params);
setResult(RESULT_CANCELED, intent);
finish();*/
Toast.makeText(getApplicationContext(),"Failed payment" ,Toast.LENGTH_LONG).show();
}
});
}
}
public void webview_ClientPost(WebView webView, String url, Collection< Map.Entry<String, String>> postData){
StringBuilder sb = new StringBuilder();
sb.append("<html><head></head>");
sb.append("<body onload='form1.submit()'>");
sb.append(String.format("<form id='form1' action='%s' method='%s'>", url, "post"));
for (Map.Entry<String, String> item : postData) {
sb.append(String.format("<input name='%s' type='hidden' value='%s' />", item.getKey(), item.getValue()));
}
sb.append("</form></body></html>");
Log.d(tag, "webview_ClientPost called");
//setup and load the progress bar
progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
progressDialog.setMessage("Loading. Please wait...");
webView.loadData(sb.toString(), "text/html", "utf-8");
}
public void success(long id, final String paymentId) {
mHandler.post(new Runnable() {
public void run() {
mHandler = null;
// new PostRechargeData().execute();
Toast.makeText(getApplicationContext(),"Successfully payment\n redirect from Success Function" ,Toast.LENGTH_LONG).show();
}
});
}
public boolean empty(String s)
{
if(s== null || s.trim().equals(""))
return true;
else
return false;
}
public String hashCal(String type,String str){
byte[] hashseq=str.getBytes();
StringBuffer hexString = new StringBuffer();
try{
MessageDigest algorithm = MessageDigest.getInstance(type);
algorithm.reset();
algorithm.update(hashseq);
byte messageDigest[] = algorithm.digest();
for (int i=0;i<messageDigest.length;i++) {
String hex=Integer.toHexString(0xFF & messageDigest[i]);
if(hex.length()==1) hexString.append("0");
hexString.append(hex);
}
}catch(NoSuchAlgorithmException nsae){ }
return hexString.toString();
}
//String SUCCESS_URL = "https://pay.in/sccussful" ; // failed
//String FAILED_URL = "https://pay.in/failed" ;
//override the override loading method for the webview client
private class MyWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
/*if(url.contains("response.php") || url.equalsIgnoreCase(SUCCESS_URL)){
new PostRechargeData().execute();
Toast.makeText(getApplicationContext(),"Successfully payment\n redirect from webview" ,Toast.LENGTH_LONG).show();
return false;
}else */if(url.startsWith("http")){
//Toast.makeText(getApplicationContext(),url ,Toast.LENGTH_LONG).show();
progressDialog.show();
view.loadUrl(url);
System.out.println("myresult "+url);
//return true;
} else {
return false;
}
return true;
}
}
/******************************************* send record to back end ******************************************/
/*class PostRechargeData extends AsyncTask<String, String, String>
{
@Override
protected void onPreExecute()
{
super.onPreExecute();
pDialog = new ProgressDialog(PayMentGateWay.this);
pDialog.setMessage("Please wait...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
pDialog.show();
}
protected String doInBackground(String... args)
{
String strStatus = null;
ProfileSessionManager ProSessionManager = new ProfileSessionManager(PayMentGateWay.this);
String getUserid = ProSessionManager.getSpeculatorId();
String getSpeculationId = "0";
String rechargeAmt = getRechargeAmt;
String postAction = "1";
//http://speculometer.com/webService/stockApp/speculationMoneyreports.php?
//access_token=ISOFTINCstockAppCheckDevelop&speculator=1&speculation=&amount=1000&action=1
ServiceHandler sh = new ServiceHandler();
String upLoadServerUri = ServiceList.payment_money_url+"speculator="+getUserid+"&speculation="+getSpeculationId+"&amount="+rechargeAmt+"&action="+postAction;
try{
String jsonStr = sh.makeServiceCall(upLoadServerUri, ServiceHandler.POST);
JSONObject jsonObj = new JSONObject(jsonStr);
JSONObject jobjDoc = jsonObj.optJSONObject("document");
JSONObject jobjRes = jobjDoc.optJSONObject("response");
strStatus = jobjRes.getString("status");
//strMessage = jobjRes.getString("message");
String strUserId = jobjRes.getString("user_id");
} catch (Exception e) {
e.printStackTrace();
}
return strStatus;
}
protected void onPostExecute(final String strStatus)
{
runOnUiThread(new Runnable()
{
public void run()
{
pDialog.dismiss();
if(strStatus != null && strStatus.equalsIgnoreCase("0")){
Toast.makeText(getApplicationContext(),"Your recharge amount not added in wallet." ,Toast.LENGTH_LONG).show();
}else if(strStatus != null && strStatus.equalsIgnoreCase("1")){
Toast.makeText(getApplicationContext(),"Your recharge amount added in wallet." ,Toast.LENGTH_LONG).show();
}
Intent intent = new Intent(activity, MainActivity.class);
startActivity(intent);
}
});
}
}*/
/******************************************* closed send record to back end ************************************/
}