razorpay1.dart

// Import Razory Pay Dependencies
import 'package:razorpay_flutter/razorpay_flutter.dart';

// Create a Razorpay instance
Razorpay razorpay = Razorpay();

@override
void initState() {
  super.initState();
  // Attach Listeners for Payment Events
  razorpay.on(Razorpay.EVENT_PAYMENT_SUCCESS, paymentSuccessHandler);
  razorpay.on(Razorpay.EVENT_PAYMENT_ERROR, paymentErrorHandler);
  razorpay.on(Razorpay.EVENT_EXTERNAL_WALLET, externalWalletHandler);
}

void paymentSuccessHandler(PaymentSuccessResponse response) {
  print('Payment Successful: ${response.paymentId}');
}

void paymentErrorHandler(PaymentFailureResponse response) {
  print('Payment Error: ${response.code} - ${response.message}');
}

void externalWalletHandler(ExternalWalletResponse response) {
  print('External Wallet: ${response.walletName}');
}