我在我的应用中集成了自定义浏览器以进行PayU集成。我没有向PayU URL（https://secure.payu.in/_payment）发送任何参数。我正在服务器端（向PayU发送参数）。我只需要定制浏览器，这就是我使用这个浏览器的原因。这对我来说很好，但在付款成功后，它显示空白屏幕。如何在此空白屏幕后导航到我的应用程序。
如何获取自定义浏览器的网址？
参考链接：https://github.com/payu-intrepos/Android-Custom-Browser/wiki/v5.2.2
依赖性：
compile 'com.payu.custombrowser:payu-custom-browser:5.2.2'
代码：
custombrowserxl：
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/r_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center_horizontal">
<FrameLayout
android:id="@+id/parent"
android:visibility="gone"
android:layout_alignParentBottom="true"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
<WebView
android:id="@+id/webview"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
<LinearLayout
android:layout_width="match_parent"
android:id="@+id/trans_overlay"
android:layout_height="match_parent"
android:orientation="horizontal"
>
</LinearLayout>
</RelativeLayout>
custombrowser.java
try {
Class.forName("com.payu.custombrowser.Bank");
final Bank bank = new Bank() {
@Override
public void registerBroadcast(BroadcastReceiver broadcastReceiver, IntentFilter filter) {
mReceiver = broadcastReceiver;
registerReceiver(broadcastReceiver, filter);
}
@Override
public void unregisterBroadcast(BroadcastReceiver broadcastReceiver) {
if(mReceiver != null){
unregisterReceiver(mReceiver);
mReceiver = null;
}
}
@Override
public void onHelpUnavailable() {
findViewById(R.id.parent).setVisibility(View.GONE);
findViewById(R.id.trans_overlay).setVisibility(View.GONE);
}
@Override
public void onBankError() {
findViewById(R.id.parent).setVisibility(View.GONE);
findViewById(R.id.trans_overlay).setVisibility(View.GONE);
}
@Override
public void onHelpAvailable() {
findViewById(R.id.parent).setVisibility(View.VISIBLE);
}
};
Bundle args = new Bundle();
args.putInt("webView", R.id.webview);
args.putInt("tranLayout",R.id.trans_overlay);
args.putInt("mainLayout",R.id.r_layout);
args.putBoolean("showCustom", true);
bank.setArguments(args);
findViewById(R.id.parent).bringToFront();
try {
getSupportFragmentManager().beginTransaction().setCustomAnimations(R.anim.cb_fade_in, R.anim.cb_face_out).add(R.id.parent, bank).commit();
}catch(Exception e)
{
e.printStackTrace();
finish();
}
webView.setWebChromeClient(new PayUWebChromeClient(bank));
webView.setWebViewClient(new PayUWebViewClient(bank));
} catch (ClassNotFoundException e) {
webView.getSettings().setSupportMultipleWindows(true);
webView.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
webView.addJavascriptInterface(new Object() {
@JavascriptInterface
public void onSuccess() {
onSuccess("");
}
@JavascriptInterface
public void onSuccess(final String result) {
runOnUiThread(new Runnable() {
@Override
public void run() {
Intent intent = new Intent();
intent.putExtra("result", result);
setResult(RESULT_OK, intent);
finish();
}
// }
});
}
@JavascriptInterface
public void onFailure() {
onFailure("");
}
@JavascriptInterface
public void onFailure(final String result) {
runOnUiThread(new Runnable() {
@Override
public void run() {
Intent intent = new Intent();
intent.putExtra("result", result);
setResult(RESULT_CANCELED, intent);
finish();
}
});
}
}, "PayU");
webView.setWebChromeClient(new WebChromeClient() {
});
webView.setWebViewClient(new WebViewClient());
}
webView.getSettings().setJavaScriptEnabled(true);
webView.getSettings().setDomStorageEnabled(true);
String PostData="UserUniqueID=" + UUUID + "&OrderID=" + orderid + "&PFID=" + pid + "&ReloadCash=" + reloadcash + "&DeviceID=" + DEVICEID ;
webView.postUrl(WebUrl.Bankurl, PostData.getBytes());
//Weburl.posturl is my server side bank url.
}
@Override
public void onBackPressed(){
boolean disableBack = false;
if(cancelTransaction){
cancelTransaction = false;
Intent intent = new Intent();
intent.putExtra("result", "Transaction canceled due to back pressed!");
setResult(RESULT_CANCELED, intent);
super.onBackPressed();
return;
}
try {
Log.v("TAG_PAUSEURLL", "" + "PAUSEURL");
Bundle bundle = getPackageManager().getApplicationInfo(getPackageName(), PackageManager.GET_META_DATA).metaData;
disableBack = bundle.containsKey("payu_disable_back") && bundle.getBoolean("payu_disable_back");
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
if(!disableBack) {
AlertDialog.Builder alertDialog = new AlertDialog.Builder(this);
alertDialog.setCancelable(false);
alertDialog.setMessage("Do you really want to cancel the transaction ?");
alertDialog.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
cancelTransaction = true;
dialog.dismiss();
onBackPressed();
}
});
alertDialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
alertDialog.show();
}
}
@Override
protected void onDestroy() {
super.onDestroy();
webView.clearCache(true);
webView.clearHistory();
webView.destroy();
}
答案 0 :(得分：0)
首选此代码
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.payment_home);
btnBuy.setOnClickListener(new OnClickListener() {
@SuppressLint({ "SetJavaScriptEnabled", "ShowToast" }) @Override
public void onClick(View v) {
// TODO Auto-generated method stub
if(f_nm && f_pn && f_email )
{
webview.setVisibility(View.VISIBLE);
Integer randomNum = randInt(0, 9999999);
txnid=randomNum.toString();
firstname=etName.getText().toString();
email=etEmail.getText().toString();
amount=study_material_price;
productinfo=study_material_name;
phone=etPhone.getText().toString();
String hashSequence = merchant_key+"|"+txnid+"|"+amount+"|"+productinfo+"|"+firstname+"|"+email+"|||||||||||"+salt;
hash = hashCal("SHA-512", hashSequence);
webview.addJavascriptInterface(new PayUJavaScriptInterface(), "PayUMoney");
String json ="txnid="+txnid+"&key="+merchant_key+"&amount="+amount+"&hash="+hash+"&productinfo="+productinfo+"&surl="+SURL+"&furl="+FURL+"&firstname="+firstname+"&email="+email+"&phone="+phone+"&service_provider=payu_paisa";
webview.getSettings().setUserAgentString("Mozilla/5.0 (Linux; U; Android 2.0; en-us; Droid Build/ESD20) AppleWebKit/530.17 (KHTML, like Gecko) Version/4.0 Mobile Safari/530.17");
webview.getSettings().setDomStorageEnabled(true);
webview.getSettings().setJavaScriptEnabled(true);
webview.getSettings().setSupportMultipleWindows(true);
webview.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
webview.getSettings().setSupportZoom(true); //Zoom Control on web (You don't need this
//if ROM supports Multi-Touch
webview.getSettings().setBuiltInZoomControls(true);
webview.setWebViewClient(new WebViewClient());
webview.setWebViewClient(
new SSLTolerentWebViewClient()
);
webview.postUrl("https://secure.payu.in/_payment", EncodingUtils.getBytes(json, "BASE64"));
try {
webview.setWebViewClient(new WebViewClient() {
@Override
public void onReceivedError(WebView view, int errorCode,
String description, String failingUrl) {
Log.d("WEB_VIEW_TEST", "error code:" + errorCode + " - " + description);
}
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
// handle different requests for different type of files
// this example handles downloads requests for .apk and .mp3 files
// everything else the webview can handle normally
if (url.endsWith(".mp3")||url.endsWith(".zip") || url.endsWith(".pdf") || url.endsWith(".jpg")|| url.endsWith(".doc")|| url.endsWith(".png")|| url.endsWith(".docx")|| url.endsWith(".xml")|| url.endsWith(".gif")) {
String urlSplit[] = url.split("/");
String fileName = urlSplit[urlSplit.length-1];
Uri source = Uri.parse(url);
// Make a new request pointing to the .apk url
DownloadManager.Request request = new DownloadManager.Request(source);
// appears the same in Notification bar while downloading
request.setDescription("Description for the DownloadManager Bar");
request.setTitle(fileName);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
request.allowScanningByMediaScanner();
request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
}
// save the file in the "Downloads" folder of SDCARD
request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS,fileName);
// get download service and enqueue file
DownloadManager manager = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
manager.enqueue(request);
}
// if there is a link to anything else than .apk or .mp3 load the URL in the webview
else view.loadUrl(url);
return true;
}
});
} catch (Exception e) {
e.printStackTrace();
}
}else{
Toast.makeText(getApplicationContext(), "Please fill all the fields.", 1000).show();
}
}
});
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if(event.getAction() == KeyEvent.ACTION_DOWN){
switch(keyCode)
{
case KeyEvent.KEYCODE_BACK:
if(webview.canGoBack()){
webview.goBack();
}else{
finish();
}
return true;
}
}
return super.onKeyDown(keyCode, event);
}
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 pId) {
mHandler.post(new Runnable() {
public void run() {
mHandler = null;
Toast.makeText(getApplicationContext(), "Your Transaction is Successful", 1000).show();
status="Success";
paymentId=pId;
new StoreTransactionData().execute();
Intent intent = new Intent();
intent.putExtra("status", "success");
intent.putExtra("transaction_id", paymentId);
setResult(RESULT_OK, intent);
studyDownloadPaid();
finish();
}
});
}
@JavascriptInterface
public void failure(final String id, String error) {
Log.d("transaction data fail id", id +" " +study_material_name);
mHandler.post(new Runnable() {
@Override
public void run() {
paymentId=id;
status="Faluire";
new StoreTransactionData().execute();
cancelPayment();
}
});
}
@JavascriptInterface
public void failure() {
failure("");
}
@JavascriptInterface
public void failure(final String params) {
mHandler.post(new Runnable() {
@Override
public void run() {
paymentId=params;
status="Faluire";
new StoreTransactionData().execute();
Log.d("transaction data fail param", params);
Intent intent = new Intent();
intent.putExtra("status", params);
setResult(RESULT_CANCELED, intent);
finish();
}
});
}
}
private void cancelPayment() {
Intent intent = new Intent();
intent.putExtra("status", "cancel");
//mWebView.destroy();
setResult(RESULT_CANCELED, intent);
finish();
}
public static 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();
}
public static int randInt(int min, int max) {
// Usually this should be a field rather than a method variable so
// that it is not re-seeded every call.
Random rand = new Random();
// nextInt is normally exclusive of the top value,
// so add 1 to make it inclusive
int randomNum = rand.nextInt((max - min) + 1) + min;
return randomNum;
}
private class SSLTolerentWebViewClient extends WebViewClient {
@Override
public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
handler.proceed(); // Ignore SSL certificate errors
}
}