8 Use Cases, One SDK

import 'package:mediasfu_sdk/mediasfu_sdk.dart';
class SpaceLiveScreen extends StatefulWidget {  final String roomId;  final bool isHost;  const SpaceLiveScreen({required this.roomId, this.isHost = false});  @override State<SpaceLiveScreen> createState() => _SpaceLiveScreenState();}
class _SpaceLiveScreenState extends State<SpaceLiveScreen> {  final _sdkParams = ValueNotifier<MediasfuParameters?>(null);
  @override  Widget build(BuildContext context) {    return Stack(children: [      // Headless SDK — handles all WebRTC, SFU, and signaling      HeadlessMediasfuWidget(        options: MediasfuWebinar(          credentials: MediasfuCredentials(apiUserName: user, apiKey: key),          createMediaSFURoomOptions: CreateRoomOptions(            eventType: EventType.webinar,            capacity: 3000,            duration: 60,          ),          connectOptions: ConnectMediaSFUOptions(joinRoom: true),          returnUI: false,          noUIPreJoinOptions: true,        ),        onParamsUpdate: (params) => _sdkParams.value = params,      ),
      // Your custom UI on top — speakers, listeners, reactions      ValueListenableBuilder<MediasfuParameters?>(        valueListenable: _sdkParams,        builder: (ctx, p, _) => p == null          ? const CircularProgressIndicator()          : Column(children: [              _buildSpeakerGrid(p),              _buildListenerBar(p),              _buildControlDock(p),  // mic, camera, raise hand, leave            ]),      ),    ]);  }
  void _toggleMic() {    final p = _sdkParams.value!;    clickAudio(ClickAudioOptions(parameters: p));  }}