flutter_digilocker_aadhar_pan 1.0.1

Flutter plugin for seamless DigiLocker Aadhar and PAN verification integration.

example/lib/main.dart

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

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'DigiLocker Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
        useMaterial3: true,
      ),
      home: const DigiLockerDemo(),
    );
  }
}

class DigiLockerDemo extends StatefulWidget {
  const DigiLockerDemo({super.key});

  @override
  State<DigiLockerDemo> createState() => _DigiLockerDemoState();
  }

class _DigiLockerDemoState extends State<DigiLockerDemo> {
  bool _showDigiLocker = false;
  String _resultText = 'No verification yet';
  String _userName = '';
  String _aadharNo = '';
  String _panNo = '';

  // Configure your DigiLocker credentials here
  final config = const DigiLockerConfig(
    companyName: 'your-company-name',
    secretToken: 'your-secret-token',
    redirectUrl: 'https://your-redirect-url.com',
    documents: 'aadhaar,pan', // Optional: default is 'aadhaar,pan'
    panName: '',               // Optional: PAN card holder name
    panNo: '',                 // Optional: PAN number
  );

  void _handleSuccess(DigiLockerResponse response) {
    setState(() {
      _resultText = 'Verification Successful!';
      _userName = response.data?.name ?? 'N/A';
      _aadharNo = response.data?.aadharNo ?? 'N/A';
      _panNo = response.data?.panNumber ?? 'N/A';
    });

    // Show success dialog
    showDialog(
      context: context,
      builder: (context) => AlertDialog(
        title: const Text('Success'),
        content: Column(
          mainAxisSize: MainAxisSize.min,
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text('Name: $_userName'),
            const SizedBox(height: 8),
            Text('Aadhar: $_aadharNo'),
            const SizedBox(height: 8),
            Text('PAN: $_panNo'),
          ],
        ),
        actions: [
          TextButton(
            onPressed: () => Navigator.pop(context),
            child: const Text('OK'),
          ),
        ],
      ),
    );

    // Log success (use a proper logging solution in production)
    // ignore: avoid_print
    print('DigiLocker Success: ${response.toJson()}');
  }

  void _handleError(String error) {
    setState(() {
      _resultText = 'Error: $error';
    });

    // Show error dialog
    showDialog(
      context: context,
      builder: (context) => AlertDialog(
        title: const Text('Error'),
        content: Text(error),
        actions: [
          TextButton(
            onPressed: () => Navigator.pop(context),
            child: const Text('OK'),
          ),
        ],
      ),
    );

    // Log error (use a proper logging solution in production)
    // ignore: avoid_print
    print('DigiLocker Error: $error');
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
        title: const Text(
          'DigiLocker Demo',
          style: TextStyle(color: Colors.white),
        ),
        backgroundColor: const Color(0xFF0066CC),
        elevation: 2,
      ),
      body: Stack(
        children: [
          // Main content
          Padding(
            padding: const EdgeInsets.all(20.0),
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              crossAxisAlignment: CrossAxisAlignment.stretch,
              children: [
                // Logo or Icon
                const Icon(
                  Icons.verified_user,
                  size: 80,
                  color: Color(0xFF0066CC),
                ),
                const SizedBox(height: 32),

                // Title
                const Text(
                  'DigiLocker Verification',
                  textAlign: TextAlign.center,
                  style: TextStyle(
                    fontSize: 24,
                    fontWeight: FontWeight.bold,
                  ),
                ),
                const SizedBox(height: 16),

                // Description
                const Text(
                  'Verify your Aadhar and PAN documents securely with DigiLocker',
                  textAlign: TextAlign.center,
                  style: TextStyle(
                    fontSize: 16,
                    color: Colors.grey,
                  ),
        ),
                const SizedBox(height: 48),

                // Verify Button
                ElevatedButton(
                  onPressed: () {
                    setState(() {
                      _showDigiLocker = true;
                    });
                  },
                  style: ElevatedButton.styleFrom(
                    backgroundColor: const Color(0xFF0066CC),
                    foregroundColor: Colors.white,
                    padding: const EdgeInsets.symmetric(vertical: 16),
                    shape: RoundedRectangleBorder(
                      borderRadius: BorderRadius.circular(8),
                    ),
                    elevation: 2,
                  ),
                  child: const Text(
                    'Verify with DigiLocker',
                    style: TextStyle(
                      fontSize: 18,
                      fontWeight: FontWeight.bold,
                    ),
                  ),
                ),
                const SizedBox(height: 32),

                // Result Card
                Card(
                  elevation: 2,
                  child: Padding(
                    padding: const EdgeInsets.all(16.0),
                    child: Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: [
                        const Text(
                          'Verification Result:',
                          style: TextStyle(
                            fontSize: 16,
                            fontWeight: FontWeight.bold,
                          ),
                        ),
                        const SizedBox(height: 12),
                        Text(
                          _resultText,
                          style: const TextStyle(fontSize: 14),
                        ),
                        if (_userName.isNotEmpty) ...[
                          const SizedBox(height: 12),
                          const Divider(),
                          const SizedBox(height: 12),
                          _buildInfoRow('Name:', _userName),
                          const SizedBox(height: 8),
                          _buildInfoRow('Aadhar:', _aadharNo),
                          const SizedBox(height: 8),
                          _buildInfoRow('PAN:', _panNo),
                        ],
                      ],
                    ),
                  ),
                ),
              ],
            ),
          ),

          // DigiLocker Modal
          if (_showDigiLocker)
            DigiLockerWidget(
              config: config,
              onSuccess: _handleSuccess,
              onError: _handleError,
              onClose: () {
                setState(() {
                  _showDigiLocker = false;
                });
              },
            ),
        ],
      ),
    );
  }

  Widget _buildInfoRow(String label, String value) {
    return Row(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        SizedBox(
          width: 80,
          child: Text(
            label,
            style: const TextStyle(
              fontWeight: FontWeight.w600,
              color: Colors.grey,
            ),
          ),
        ),
        Expanded(
          child: Text(
            value,
            style: const TextStyle(
              fontWeight: FontWeight.w500,
            ),
          ),
        ),
      ],
    );
  }
}