import 'package:flutter/material.dart';
import 'package:url_launcher/url_launcher.dart';

void main() {
  runApp(MaterialApp(home: UpiIntentExample()));
}

class UpiIntentExample extends StatelessWidget {
  final String upiId = "sneha.reddymalla@ybl"; // Replace with your UPI ID
  final String name = "Sneha Reddy";
  final String note = "Sample";
  final String amount = "1.00";

  void launchUPIApp(BuildContext context) async {
    final uri = Uri.parse(
        "upi://pay?pa=$upiId&pn=$name&tn=$note&am=$amount&cu=INR");

    if (await canLaunchUrl(uri)) {
      await launchUrl(uri, mode: LaunchMode.externalApplication);
    } else {
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(content: Text("No UPI app found to handle this request")),
      );
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text("UPI Payment via Intent")),
      body: Center(
        child: ElevatedButton(
          onPressed: () => launchUPIApp(context),
          child: Text("Pay with UPI App"),
        ),
      ),
    );
  }
}