UPI small base

2026-03-26 16:33:33 +05:30
parent 0d99a97a71
commit 0d35729123
5 changed files with 168 additions and 8 deletions
--- a/lib/features/service/screens/upi_screen.dart
+++ b/lib/features/service/screens/upi_screen.dart
@@ -0,0 +1,137 @@
+import 'package:flutter/material.dart';
+import 'package:qr_flutter/qr_flutter.dart';
+
+class UpiScreen extends StatefulWidget {
+  const UpiScreen({super.key});
+
+  @override
+  State<UpiScreen> createState() => _UpiScreenState();
+}
+
+class _UpiScreenState extends State<UpiScreen> {
+  final TextEditingController accountCtrl = TextEditingController();
+  final TextEditingController ifscCtrl = TextEditingController();
+  final TextEditingController nameCtrl = TextEditingController();
+
+  String? upiUri;
+
+  /// Build UPI URI using Account Number + IFSC
+  /// Follows NPCI UPI URI standards (upi://pay?pa=...&pn=...&cu=INR)
+  /// Supported by UPI QR generators like Labnol which accept bank account + IFSC as payment address.
+  String buildUpiUri({
+    required String accountNumber,
+    required String ifsc,
+    required String name,
+  }) {
+    final upiAddress = "$accountNumber@apl";
+    //const upiAddress = "asifarbaj-2@okaxis";
+
+    final uri = Uri(
+      scheme: "upi",
+      host: "pay",
+      queryParameters: {
+        "pa": upiAddress,
+        "pn": name,
+        "cu": "INR",
+      },
+    );
+
+    return uri.toString();
+  }
+
+  void generateQr() {
+    final account = accountCtrl.text.trim();
+    final ifsc = ifscCtrl.text.trim();
+    final name = nameCtrl.text.trim();
+
+    if (account.isEmpty || ifsc.isEmpty || name.isEmpty) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text("Please fill all fields")),
+      );
+      return;
+    }
+
+    setState(() {
+      upiUri = buildUpiUri(
+        accountNumber: account,
+        ifsc: ifsc,
+        name: name,
+      );
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text("Receive Money by UPI"),
+        centerTitle: true,
+      ),
+      body: Padding(
+        padding: const EdgeInsets.all(20),
+        child: SingleChildScrollView(
+          child: Column(
+            children: [
+              TextField(
+                controller: accountCtrl,
+                decoration: const InputDecoration(
+                  labelText: "Account Number",
+                  border: OutlineInputBorder(),
+                ),
+                keyboardType: TextInputType.number,
+              ),
+              const SizedBox(height: 15),
+
+              TextField(
+                controller: ifscCtrl,
+                decoration: const InputDecoration(
+                  labelText: "IFSC Code",
+                  border: OutlineInputBorder(),
+                ),
+              ),
+              const SizedBox(height: 15),
+
+              TextField(
+                controller: nameCtrl,
+                decoration: const InputDecoration(
+                  labelText: "Account Holder Name",
+                  border: OutlineInputBorder(),
+                ),
+              ),
+              const SizedBox(height: 25),
+
+              ElevatedButton(
+                onPressed: generateQr,
+                child: const Text("Generate QR"),
+              ),
+
+              const SizedBox(height: 30),
+
+              if (upiUri != null) ...[
+                const Text(
+                  "Your UPI QR Code:",
+                  style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
+                ),
+                const SizedBox(height: 15),
+
+                QrImageView(
+                  data: upiUri!,
+                  version: QrVersions.auto,
+                  size: 260,
+                  backgroundColor: Colors.white,
+                ),
+
+                const SizedBox(height: 10),
+
+                SelectableText(
+                  upiUri!,
+                  textAlign: TextAlign.center,
+                ),
+              ],
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}