我在我的android应用程序中使用Stripe进行付款。我想继续并将付款成功后的收据发送给他们已保存在数据库（Firebase）中的用户电子邮件。我没有任何有关如何执行此操作的教程。我知道条纹文档说
Stripe可以在成功付款或退款后自动发送电子邮件回执。这是通过在发出API请求时提供电子邮件地址，使用客户对象的电子邮件地址或在结帐后使用客户的电子邮件地址更新PaymentIntent来实现的。
但是对于如何操作或键入什么代码我仍然感到困惑，所以我真的不知道。下面有我的代码。我希望有人可以帮助我。预先感谢
private void startCheckout() {
//amount will calculate from .00 make sure multiply by 100
//double amount=Double.parseDouble(mAmount.getText().toString())*1;
// Create a PaymentIntent by calling the sample server's /create-payment-intent endpoint.
MediaType mediaType = MediaType.get("application/json; charset=utf-8");
/*
String json = "{"
+ "\"currency\":\"usd\","
+ "\"items\":["
+ "{\"id\":\"photo_subscription\"}"
+ "]"
+ "}";
*/
Intent intent = getIntent();
final String t = intent.getStringExtra("days");
int in = Integer.valueOf(t);
double amount=in*100;
Map<String,Object> payMap=new HashMap<>();
Map<String,Object> itemMap=new HashMap<>();
List<Map<String,Object>> itemList =new ArrayList<>();
payMap.put("currency","usd");
itemMap.put("id","photo_subscription");
itemMap.put("amount",amount);
itemList.add(itemMap);
payMap.put("items",itemList);
String json = new Gson().toJson(payMap);
RequestBody body = RequestBody.create(mediaType,json);
Request request = new Request.Builder()
.url(BACKEND_URL + "create-payment-intent")
.post(body)
.build();
httpClient.newCall(request)
.enqueue(new PayCallback(this));
// Hook up the pay button to the card widget and stripe instance
//Button payButton = findViewById(R.id.payButton);
payButton.setOnClickListener((View view) -> {
PaymentMethodCreateParams params = cardInputWidget.getPaymentMethodCreateParams();
if (params != null) {
Map<String, String> extraParams = new HashMap<>();
extraParams.put("setup_future_usage", "off_session");
ConfirmPaymentIntentParams confirmParams = ConfirmPaymentIntentParams
.createWithPaymentMethodCreateParams(params, paymentIntentClientSecret);
stripe.confirmPayment(this, confirmParams);
}
});
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
// Handle the result of stripe.confirmPayment
stripe.onPaymentResult(requestCode, data, new PaymentResultCallback(this));
}
public void goback(View view) {
onBackPressed();
}
private static final class PayCallback implements Callback {
@NonNull private final WeakReference<PaymentPageActivity> activityRef;
PayCallback(@NonNull PaymentPageActivity activity) {
activityRef = new WeakReference<>(activity);
}
@Override
public void onFailure(@NonNull Call call, @NonNull IOException e) {
final PaymentPageActivity activity = activityRef.get();
if (activity == null) {
return;
}
activity.runOnUiThread(() ->
Toast.makeText(
activity, "Error: " + e.toString(), Toast.LENGTH_LONG
).show()
);
}
@Override
public void onResponse(@NonNull Call call, @NonNull final Response response)
throws IOException {
final PaymentPageActivity activity = activityRef.get();
if (activity == null) {
return;
}
if (!response.isSuccessful()) {
activity.runOnUiThread(() ->
Toast.makeText(
activity, "Error: " + response.toString(), Toast.LENGTH_LONG
).show()
);
} else {
activity.onPaymentSuccess(response);
}
}
}
private void onPaymentSuccess(@NonNull final Response response) throws IOException {
Gson gson = new Gson();
Type type = new TypeToken<Map<String, String>>(){}.getType();
Map<String, String> responseMap = gson.fromJson(
Objects.requireNonNull(response.body()).string(),
type
);
paymentIntentClientSecret = responseMap.get("clientSecret");
}
private final class PaymentResultCallback
implements ApiResultCallback<PaymentIntentResult> {
@NonNull private final WeakReference<PaymentPageActivity> activityRef;
PaymentResultCallback(@NonNull PaymentPageActivity activity) {
activityRef = new WeakReference<>(activity);
}
@Override
public void onSuccess(@NonNull PaymentIntentResult result) {
final PaymentPageActivity activity = activityRef.get();
if (activity == null) {
return;
}
PaymentIntent paymentIntent = result.getIntent();
PaymentIntent.Status status = paymentIntent.getStatus();
if (status == PaymentIntent.Status.Succeeded) {
// Payment completed successfully
/*
Gson gson = new GsonBuilder().setPrettyPrinting().create();
activity.displayAlert(
"Payment completed",
gson.toJson(paymentIntent)
);
*/
String uid = FirebaseAuth.getInstance().getCurrentUser().getUid();
final DatabaseReference rootRef = FirebaseDatabase.getInstance().getReference("Dds");
final DatabaseReference update = rootRef.child(uid);
final DatabaseReference rootRef1 = FirebaseDatabase.getInstance().getReference("card_information");
final DatabaseReference update1 = rootRef1.child(uid);
update1.child("card_number").setValue(cardInputWidget.getCard().component1());
update1.child("cvc").setValue(cardInputWidget.getCard().component2());
update1.child("expiration_month").setValue(cardInputWidget.getCard().component3());
update1.child("expiration_year").setValue(cardInputWidget.getCard().component4());
update1.child("postal_code").setValue(cardInputWidget.getCard().getAddressZip());
Intent intent = getIntent();
Bundle extras = intent.getExtras();
String get_key = extras.getString("id-key");
update.child(get_key).child("status").setValue("Paid");
Intent intent2=new Intent(PaymentPageActivity.this,ProfileActivity.class);
startActivity(intent2);
} else if (status == PaymentIntent.Status.RequiresPaymentMethod) {
// Payment failed – allow retrying using a different payment method
activity.displayAlert(
"Payment failed",
Objects.requireNonNull(paymentIntent.getLastPaymentError()).getMessage()
);
}
}
@Override
public void onError(@NonNull Exception e) {
final PaymentPageActivity activity = activityRef.get();
if (activity == null) {
return;
}
// Payment request failed – allow retrying using the same payment method
activity.displayAlert("Error", e.toString());
}
}
private void displayAlert(@NonNull String title,
@Nullable String message) {
AlertDialog.Builder builder = new AlertDialog.Builder(this)
.setTitle(title)
.setMessage(message);
builder.setPositiveButton("Ok", null);
builder.create().show();
}