flutter_payments_stripe_sdk 2.0.4

The Stripe Flutter SDK makes it quick and easy to build an excellent payment experience in your Flutter app

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_payments_stripe_sdk/flutter_payments_stripe_sdk.dart';
import 'dart:convert' show json;
import 'package:http/http.dart' as http;
import 'package:flutter_payments_stripe_sdkexample/separator_line.dart';
import 'dart:convert' as convert;

import 'package:flutter_payments_stripe_sdkexample/text_icon.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Stripe Flutter SDK Example',
      theme: ThemeData(
        primarySwatch: Colors.blue,
        visualDensity: VisualDensity.adaptivePlatformDensity,
      ),
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key? key}) : super(key: key);
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  var rows = ["Create a payment intent", "Create a setup intent"];
  //TODO: INSERT YOUR API KEY
  var stripe = Stripe("pk_test_...");
  String? clientSecret = "";
  String? setupIntentClientSecret = "";
  //TODO: INSERT YOUR BACKED URL
  var backendUrl = "";
  //TODO: INSERT A CUSTOMER ID
  var customerID = "";
  //
  var testPaymentMethodID = "pm_card_threeDSecure2Required";

  startCheckout() async {
    var url = "$backendUrl/stripe/payment_intents/create";
    var body = {
      "params": {"amount": "200", "currency": "eur", "customer": customerID}
    };
    var response = await http.post(Uri.parse(url),
        headers: {'Content-Type': 'application/json'},
        body: convert.json.encode(body));
    var j = json.decode(response.body);
    if (j["data"] != null && j["data"]["clientSecret"] != null) {
      clientSecret = j["data"]["clientSecret"];
      print(clientSecret);
    } else {
      print("SOMETHING WRONG");
    }
  }

  startSetupIntent() async {
    var url = "$backendUrl/stripe/setup_intents/create";
    var body = {
      "params": {"customer": customerID}
    };
    var response = await http.post(Uri.parse(url),
        headers: {'Content-Type': 'application/json'},
        body: convert.json.encode(body));
    var j = json.decode(response.body);
    if (j["data"] != null && j["data"]["clientSecret"] != null) {
      setupIntentClientSecret = j["data"]["clientSecret"];
      print(setupIntentClientSecret);
    } else {
      print("SOMETHING WRONG");
    }
  }

  performAction(String item) async {
    if (backendUrl.isEmpty) {
      print("Insert a backed url");
      return;
    }
    if (item == "Create a payment intent") {
      await startCheckout();
      var res = await stripe.paymentIntents?.confirmPaymentIntent(clientSecret!,
          data: ConfirmPaymentIntentRequest(
              paymentMethod: testPaymentMethodID,
              returnUrl: stripe.getReturnUrlForSca(),
              useStripeSdk: false));
      if (res.runtimeType == StripeError) {
        print((res as StripeError).toJson());
      } else if (res.runtimeType == PaymentIntent) {
        print((res as PaymentIntent).toJson());
      }
    } else if (item == "Create a setup intent") {
      await startSetupIntent();
      var res = await stripe.setupIntents?.confirmSetupIntent(
          setupIntentClientSecret!,
          data: ConfirmSetupIntentRequest(
              paymentMethod: PaymentMethodData(
                  type: PaymentMethodType.card,
                  card: CardMethod(
                      cvc: "555",
                      expMonth: 12,
                      expYear: 24,
                      number: "4242424242424242")),
              useStripeSdk: false,
              returnUrl: stripe.getReturnUrlForSca()));
      if (res.runtimeType == StripeError) {
        print((res as StripeError).toJson());
      } else if (res.runtimeType == SetupIntent) {
        print((res as SetupIntent).toJson());
      }
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Stripe Flutter SDK Example'),
      ),
      body: GestureDetector(
        behavior: HitTestBehavior.translucent,
        onTap: () {
          FocusScope.of(context).unfocus();
        },
        child: Padding(
            padding: EdgeInsets.all(0.0),
            child: ListView.separated(
              itemBuilder: (context, index) {
                if (index == rows.length) {
                  return Padding(
                    padding: const EdgeInsets.fromLTRB(0, 20, 0, 20),
                    child: PaymentCardTextField(
                      border: (status, card) {
                        if (card.isEmpty()) {
                          return Border.all(color: Colors.grey);
                        } else if (status ==
                            PaymentCardTextFieldStatus.success) {
                          return Border.all(color: Colors.green);
                        } else {
                          return Border.all(color: Colors.red);
                        }
                      },
                      onCardChanged: (card) {
                        print(card.toPaymentMethod());
                      },
                      showShadow: false,
                    ),
                  );
                }
                var item = rows[index];
                return TextIcon(
                  title: item,
                  shapedSelectedBackground: false,
                  tapHandler: (d) {
                    performAction(item);
                  },
                );
              },
              separatorBuilder: (context, index) {
                return SeparatorLine(margin: EdgeInsets.fromLTRB(20, 0, 0, 0));
              },
              itemCount: rows.length + 1,
            )),
      ),
    );
  }
}