gyanmeet_flutter_sdk 1.4.0

Gyanmeet meeting SDK for Flutter — a self-contained video meeting widget with host controls, chat, polls, and optional on-device AI proctoring.

example/lib/main.dart

import 'dart:typed_data';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart' show rootBundle;
import 'package:gyanmeet_flutter_sdk/gyanmeet_flutter_sdk.dart';

import 'dev_join.dart';

void main() => runApp(const ExampleApp());

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

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      title: 'Gyanmeet Flutter SDK Example',
      debugShowCheckedModeBanner: false,
      home: JoinScreen(),
    );
  }
}

// Dev harness: enter API base + API key + room code, mint a token via the
// dev join flow, then embed GyanmeetMeeting with that token. In production the
// consumer's backend mints the token; the app never holds an API key.
class JoinScreen extends StatefulWidget {
  const JoinScreen({super.key});

  @override
  State<JoinScreen> createState() => _JoinScreenState();
}

class _JoinScreenState extends State<JoinScreen> {
  final _backend = TextEditingController(
    text: 'https://pdot-dev-api.gyanmeet.com/api',
  );
  // Dev-only prefill for quick local testing — do NOT commit a real API key.
  final _apiKey = TextEditingController(
    text: '1e563b3247a77ded479b06ce767d3bbc63cd25401c3cbd4b0b66408c060a5365',
  );
  final _roomCode = TextEditingController(text: '3DG-W4W-VBK');
  final _name = TextEditingController(text: 'Flutter Tester');
  final _email = TextEditingController(text: '[e-mail]');

  String? _token;
  bool _minting = false;
  String? _error;

  // Reference image for the identity gate / manual-enroll. Loaded from assets
  // for testing; in production the consumer fetches it (backend photo, etc.).
  Uint8List? _referenceImage;

  @override
  void initState() {
    super.initState();
    _loadReference();
  }

  Future<void> _loadReference() async {
    try {
      final data = await rootBundle.load('assets/reference/person_a.png');
      if (mounted) {
        setState(() => _referenceImage = data.buffer.asUint8List());
      }
    } catch (e) {
      debugPrint('reference load failed: $e');
    }
  }

  @override
  void dispose() {
    _backend.dispose();
    _apiKey.dispose();
    _roomCode.dispose();
    _name.dispose();
    _email.dispose();
    super.dispose();
  }

  Future<void> _mintAndJoin() async {
    setState(() {
      _minting = true;
      _error = null;
    });
    try {
      final token = await devMintToken(
        apiBase: _backend.text.trim(),
        apiKey: _apiKey.text.trim(),
        roomCode: _roomCode.text.trim(),
        name: _name.text.trim(),
        email: _email.text.trim(),
      );
      if (!mounted) return;
      setState(() {
        _token = token;
        _minting = false;
      });
    } catch (e) {
      if (!mounted) return;
      setState(() {
        _error = '$e';
        _minting = false;
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    if (_token != null) {
      return ScaffoldMessenger(
        child: Builder(
          builder: (context) {
            return GyanmeetMeeting(
              backendUrl: _backend.text.trim(),
              token: _token!,
              config: const GyanmeetConfig(
                videoMode: VideoMode.hostsOnly,
                showPreJoin: true,
                enableIdentityVerificationGate: true,
                darkMode: true,
                showParticipantsTab: false,
                showPolls: false,
                enableBreak: true,
              ),
              identityReferenceImage: _referenceImage,
              primaryColor: '#366D5A',
              onJoined: (id, role) => debugPrint('joined $id as $role'),
              onLeave: () => setState(() => _token = null),
              onEnded: () => setState(() => _token = null),
              onError: (e) => debugPrint('error: $e'),
              onFacePresenceChanged: (isPresent) =>
                  debugPrint('Face present: $isPresent'),
              onGazeViolation: (reason) =>
                  debugPrint('Gaze violation: $reason'),
              onIdentityMismatch: (similarity) =>
                  debugPrint('Identity mismatch! similarity=$similarity'),
              onProctoringViolation: (v) => debugPrint(
                'PROCTORING VIOLATION: ${v.type} reason=${v.reason} sim=${v.similarity}',
              ),
            );
          },
        ),
      );
    }

    return Scaffold(
      appBar: AppBar(title: const Text('Gyanmeet SDK Example')),
      body: SingleChildScrollView(
        padding: const EdgeInsets.all(20),
        child: Column(
          children: [
            _field(_backend, 'Backend URL'),
            _field(_apiKey, 'API key (dev only)'),
            _field(_roomCode, 'Room code'),
            _field(_name, 'Display name'),
            _field(_email, 'Email'),
            const SizedBox(height: 20),
            if (_error != null)
              Padding(
                padding: const EdgeInsets.only(bottom: 12),
                child: Text(
                  _error!,
                  style: const TextStyle(color: Color(0xFFDC2626)),
                ),
              ),
            SizedBox(
              width: double.infinity,
              child: ElevatedButton(
                onPressed: _minting ? null : _mintAndJoin,
                child: _minting
                    ? const SizedBox(
                        width: 18,
                        height: 18,
                        child: CircularProgressIndicator(strokeWidth: 2),
                      )
                    : const Text('Join meeting'),
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget _field(TextEditingController c, String label) => Padding(
    padding: const EdgeInsets.only(bottom: 12),
    child: TextField(
      controller: c,
      decoration: InputDecoration(labelText: label),
    ),
  );
}